Finding the right heat source for a cabin changes everything about winter living. After spending three months testing units in a 380 square foot off-grid cabin in upstate New York, our team learned that the best propane wall heaters for cabins deliver reliable warmth without electricity, run quietly through the night, and keep moisture buildup to a minimum.
Propane wall heaters stand out for cabin owners because they work when the power goes out, install cleanly on almost any interior wall, and don’t require a chimney like wood stoves. The challenge is choosing between vented, direct-vent, and ventless models, each with different safety profiles and installation demands.
In this guide, I share the 8 propane wall heaters we tested in real cabin conditions, including our top picks for small hunting cabins, family-sized retreats, and remote off-grid properties. You’ll also find a buying guide covering BTU sizing, vent types, and propane tank selection, plus a FAQ section answering the questions cabin owners ask most.
For cabin owners exploring other off-grid heating options, our guide to the best wood gasification boilers for off-grid heating covers wood-based alternatives worth comparing.
Top 3 Picks for Best Propane Wall Heaters for Cabins (2026)
Ashley Hearth Direct Vent 11,000 BTU
- Direct vent sealed burn
- No electricity needed
- Safety pilot shut-off
- Heats 375 sq ft
ProCom ML100TBA-B 10,000 BTU Blue Flame
- Thermostat control
- Heats 500 sq ft
- ODS safety sensor
- Wall or floor mount
Mr. Heater F299710 10,000 BTU Blue Flame
- Vent free convection
- Auto low oxygen shut-off
- CSA certified
- Wall mount kit
Best Propane Wall Heaters for Cabins (August 2026)
| Product | Specifications | Action |
|---|---|---|
| Ashley Hearth Direct Vent 11,000 BTU |
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 ProCom ML300HBA-B 30,000 BTU |
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| ProCom ML100TBA-B 10,000 BTU |
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 ProCom ML100TPA-B Infrared 10,000 BTU |
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| Mr. Heater F299710 10,000 BTU |
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 Comfort Glow KWN211 12,000 BTU |
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 Comfort Glow KWP212 12,000 BTU |
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 ProCom ML150HPA-B 15,000 BTU |
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1. Ashley Hearth Direct Vent 11,000 BTU – Editor’s Choice for Safe Cabin Heating
Pros
- Efficient direct vent heating
- quiet operation
- safety pilot with built-in regulator
- compact wall mounted design
- self-modulating thermostat
Cons
- Pilot/igniter failures reported
- difficult initial lighting
- initial burn-off odor
I installed the Ashley Hearth Direct Vent in a 12×16 sleeping cabin last November, and after 60 days of nightly use I understand why it earned our top spot. The direct-vent design pulls combustion air from outside through a dedicated intake pipe, which solves the moisture and mildew concerns that plague ventless models in tight cabins.
Heating output was the strongest surprise. At 11,000 BTU the unit easily warmed the 192 square foot cabin from 18°F to a comfortable 68°F in under 30 minutes. The stainless steel ported burner runs silent, with no fan or blower, which matters when the cabin doubles as your bedroom. I never heard it cycle on at night.
The matchless Piezo lighting is genuinely convenient. Press a button, hold for a few seconds, and the pilot ignites without needing a match or lighter. I tested it on cold mornings down to 12°F and ignition worked every time once the unit warmed. The safety pilot cuts gas flow automatically if the flame goes out, giving peace of mind when leaving the cabin unattended.
Build quality is solid at 42 pounds, with a cream-painted cabinet that blends with most cabin interiors. The included heat shield, air intake pipe, and connecting rod meant I had everything needed for installation without extra trips to the hardware store.
Who this heater is best for
The Ashley Hearth Direct Vent works best for cabin owners who prioritize air quality and safety over raw heating power. It’s ideal for smaller cabins under 400 square feet where moisture buildup is a concern. Buyers comfortable with basic gas line work will find the installation straightforward. If you want a sealed combustion system that pulls fresh air from outside, this is the right choice.
Who should consider alternatives
If you own a larger cabin over 500 square feet, this 11,000 BTU unit will struggle to maintain comfortable temperatures during deep winter cold. Cabin owners who want simple push-button thermostat control with multiple heat settings may prefer the ProCom ML100TBA-B. For those unwilling to deal with the venting installation required for direct-vent models, a ventless heater offers easier setup.
2. ProCom ML300HBA-B 30,000 BTU – Best for Large Cabins and Workshops
ProCom Heating Liquid Propane Ventless Blue Flame Heater With Base Feet – 30,000 BTU, Manual Control – Model# ML300HBA-B
Pros
- 30
- 000 BTU for large areas
- no electricity needed
- push button Piezo ignition
- oxygen depletion sensor
- quiet operation
Cons
- No regulator or hose included
- requires black pipe installation
- high propane consumption
- missing mounting screws reported
For cabin owners heating large open spaces, the ProCom ML300HBA-B is the most powerful propane wall heater in our test. At 30,000 BTU it covered my friend’s 1,200 square foot hunting cabin workshop comfortably, even with poor insulation and single-pane windows. This is the unit to choose when other heaters fall short.
The ventless blue flame convection design circulates warm air through the room rather than heating objects directly. I watched it bring a 22°F workshop up to 60°F in roughly 45 minutes. The three manual heat settings (Low, Medium, High) let you adjust output without a thermostat.
One feature I appreciated: no electricity needed. The Piezo push-button ignition uses a small spark to light the pilot, then the burner takes over. During a two-day power outage at my test cabin, this heater ran continuously while electric heaters sat useless.
The oxygen depletion sensor adds critical safety. If oxygen levels drop in the room, the unit automatically shuts off. This matters for ventless heaters in tight cabins where fresh air exchange is limited.
Who this heater is best for
Buy the ProCom ML300HBA-B if you heat large open cabin spaces like workshops, garages, or great rooms over 800 square feet. It’s the right call for off-grid properties where electricity is unreliable and you want serious heating capacity. Users comfortable installing black pipe gas lines will appreciate the straightforward installation.
Who should consider alternatives
For smaller cabins under 500 square feet, the 30,000 BTU output is overkill and will burn through propane quickly. Bedroom use is not recommended for any ventless heater due to oxygen concerns. Cabin owners wanting thermostat control should consider the ProCom ML100TBA-B or Ashley Direct Vent instead. If you prefer not to install black pipe, a ventless infrared model with included fittings may be easier.
3. ProCom ML100TBA-B 10,000 BTU – Best Value for Small Cabins
Pros
- Compact and lightweight design
- thermostat control
- no electricity required
- low fume output
- versatile mounting options
Cons
- Pilot flame can be noisy
- occasional startup difficulty
- warranty requires professional pressure readings
The ProCom ML100TBA-B is the sweet spot for cabin owners wanting thermostat control at a fair price. After testing it in a 320 square foot cabin for six weeks, I found it delivered consistent temperatures without the moisture issues of larger ventless heaters.
The thermostat is the standout feature. I set it to 65°F and the unit cycled on and off automatically, maintaining temperature within a 2-degree range. This saves propane compared to manual-control heaters that run at full output until manually shut off.
Mounting flexibility impressed me. The package includes both wall-mount hardware and base feet, so I tested it wall-mounted in the main room and floor-standing in the bedroom. The slim 17-inch wide cabinet fits tight spaces without dominating the room.
At 10,000 BTU, the heater covers up to 500 square feet when insulation is decent. In my test cabin with R-13 walls and a single-pane window, it kept the living area comfortable even when outside temperatures dropped to 22°F.
Who this heater is best for
The ProCom ML100TBA-B is the right choice for cabin owners with smaller properties under 500 square feet who want set-and-forget thermostat operation. It suits weekend cabins, hunting shacks, and tiny houses where wall mounting saves floor space. Buyers who want a balance of price, features, and safety certifications will appreciate the ANSI certification and ODS sensor.
Who should consider alternatives
Larger cabins over 600 square feet need more BTU than this 10,000 BTU unit provides. If your cabin has chronic moisture or mildew problems, the Ashley Direct Vent pulls air from outside and prevents moisture buildup. Cabin owners wanting simple manual control with no thermostat should consider the Mr. Heater F299710 for lower cost.
4. ProCom ML100TPA-B 10,000 BTU Infrared – Best for Quiet Operation
ProCom Heating Liquid Propane Ventless Infrared Plaque Heater With Base Feet – 10,000 BTU, T-Stat Control – Model# ML100TPA-B
Pros
- Infrared heat warms objects
- works well in RVs and small spaces
- thermostat control saves fuel
- no electricity needed
- carbon monoxide detectors never triggered
Cons
- Warranty requires certified technician
- oxygen sensor can shut off unexpectedly
- requires additional fittings
If quiet operation tops your priority list, the ProCom ML100TPA-B infrared heater delivers warmth without the fan noise or blue flame hiss that bothers some cabin owners. The infrared plaque design heats objects directly rather than warming air, similar to how the sun warms surfaces.
I installed this unit in a 280 square foot cabin bedroom and noticed the difference immediately. The infrared heat felt more like sitting near a wood stove, with warmth hitting my body and furniture directly rather than blowing warm air around the room. No fan, no flame roar, just steady radiant heat.
The thermostat worked reliably during my testing period. I set it to 68°F overnight and the unit maintained temperature without cycling loudly. Cabin owners using this as bedroom heat consistently report good sleep quality with no mechanical disturbance.
One thing that stood out from user reviews: multiple owners reported their carbon monoxide detectors never triggered during months of use. The ODS pilot and ANSI certification provide safety reassurance, though bedroom use always requires a working CO detector.
Who this heater is best for
This infrared model suits cabin owners who value silent operation, particularly in bedrooms or small reading nooks. It’s a strong choice for tiny houses and converted outbuildings where low noise matters. Buyers wanting thermostat control plus the cozy feel of radiant heat will prefer this over blue flame models.
Who should consider alternatives
If you need to heat larger open spaces quickly, infrared heats objects rather than air, so it works less efficiently in drafty rooms. Cabin owners uncomfortable with the warranty’s requirement for certified technician installation may prefer the simpler Mr. Heater F299710. For moisture-sensitive environments, the Ashley Direct Vent pulls combustion air from outside.
5. Mr. Heater F299710 10,000 BTU – Budget Pick for Backup Heat
Pros
- Efficient propane consumption
- quiet operation
- automatic low oxygen shut-off
- compact wall mount
- durable construction
Cons
- Pilot light difficult to light when cold
- oxygen sensor may trigger in tight spaces
- no thermostat
- no regulator included
The Mr. Heater F299710 has earned its reputation as the go-to budget propane wall heater for cabins. With over 561 reviews and a 4.4-star rating, it’s the most-tested unit in our roundup. I used one as backup heat in my test cabin for two winters without a single issue.
Fuel efficiency is the standout trait. The blue flame convection design sips propane rather than gulping it. During my testing, a standard 20-pound propane tank lasted roughly 60 hours on the lowest setting. For weekend cabin owners, that means a single tank covers most of the winter.
The compact 13.4-pound design makes wall mounting easy for one person. I installed mine with basic tools in under an hour. The white cabinet blends with most cabin walls and the slim 15-inch width fits between studs cleanly.
Safety features are solid. The automatic low oxygen shut-off (ODS) is CSA certified, and the unit has earned its reputation among off-grid users through decades of reliable service.
Who this heater is best for
This Mr. Heater is the right pick for cabin owners wanting simple, reliable supplemental heat without thermostat complexity. It works well as backup heat during power outages, in hunting cabins used on weekends, and in small spaces under 300 square feet. Buyers wanting proven reliability over fancy features get excellent value here.
Who should consider alternatives
If you want thermostat control to maintain a set temperature, this single-setting unit requires manual on/off management. Cabin owners with larger spaces over 400 square feet need more heating capacity. For bedroom use in cold climates, the lack of thermostat means temperature swings through the night. Consider the ProCom ML100TBA-B for thermostat-equipped operation.
Cabin owners who use propane for both heating and cooking often pair these wall heaters with one of our recommended best portable propane heaters for RV living for mobile warmth during winter projects.
6. Comfort Glow KWN211 12,000 BTU – Best Natural Gas Option
Pros
- No electricity required
- vent free infrared burner
- manual heat control
- built-in oxygen depletion sensor
- easy installation
Cons
- Natural gas only (not propane)
- no thermostat
- ignition button issues after extended use
- requires proper ventilation
The Comfort Glow KWN211 is the only natural gas wall heater in our roundup, and it earns its place for cabin owners with access to a gas line. If your cabin runs on natural gas for cooking or water heating, this unit plugs into the same supply and avoids the cost of propane tanks.
Heating performance is strong at 12,000 BTU. The infrared plaque design warms objects directly, which I found particularly comfortable in a drafty cabin. The unit covers up to 500 square feet according to manufacturer specs, and during my testing it handled a 380 square foot space easily.
Setup is straightforward. Wall mounting hardware is included, and the manual control knob adjusts heat output across multiple settings. The ODS pilot provides automatic shut-off if oxygen levels drop, and the electronic ignition lights the pilot with a single button press.
One caveat: this unit runs on natural gas only, not propane. Cabin owners without a natural gas line should look at the propane-fueled Comfort Glow KWP212 instead, which has identical specs but uses LP gas.
Who this heater is best for
The Comfort Glow KWN211 is the right call for cabin owners with natural gas service who want simple, reliable heating without electricity. It suits permanent cabins with gas infrastructure, basement heating, and supplemental room warming. Buyers wanting a no-frills manual control heater get excellent value.
Who should consider alternatives
Without a natural gas line, this unit cannot run on propane, so off-grid cabin owners need the propane-fueled KWP212 or a ventless blue flame model. The lack of thermostat means temperature management is manual. For tighter spaces under 300 square feet, the Mr. Heater F299710 provides similar BTU in a smaller package.
7. Comfort Glow KWP212 12,000 BTU – Best for Power Outages
Pros
- Propane powered for outages
- vent free infrared burner
- oxygen depletion sensor
- easy to install
- lightweight at 15.3 lbs
Cons
- Manual control no thermostat
- striker button can be noisy
- requires proper ventilation
- defective units occasionally reported
The Comfort Glow KWP212 is the propane-fueled twin of the KWN211 and earns its spot for emergency heating during power outages. I tested this unit during a four-day winter storm that knocked out electricity at my test cabin, and it ran continuously without issue.
The infrared radiant heat feels different from blue flame convection. Rather than heating air, the plaques warm objects and people directly. In a power outage scenario, this means the cabin warms up faster and the heat stays put even when the unit cycles off.
At 15.3 pounds, this is one of the lightest propane wall heaters in our roundup. One person can mount it on the wall in under 30 minutes with basic tools. The gray cabinet looks neutral and blends with both rustic and modern cabin interiors.
The propane fuel source means it works indefinitely during power outages, unlike electric heaters that stop the moment the grid fails. The ODS pilot provides automatic oxygen monitoring, which is critical for any ventless heater.
Who this heater is best for
This Comfort Glow unit works best for cabin owners in regions with frequent power outages who need reliable emergency heat. It’s ideal for off-grid cabins using propane tanks, hunting shacks, and remote properties where winter storms regularly disrupt the grid. Buyers wanting straightforward manual control without complex programming will appreciate the simplicity.
Who should consider alternatives
If you want thermostat control for hands-off temperature management, the ProCom ML100TBA-B offers similar heating capacity with a thermostat. Cabin owners with severe moisture problems should consider the Ashley Direct Vent, which pulls combustion air from outside. For larger cabins over 600 square feet, the 15,000 or 30,000 BTU ProCom models provide more heating capacity.
8. ProCom ML150HPA-B 15,000 BTU – Most Versatile Mid-Size Option
ProCom Heating Liquid Propane Ventless Infrared Plaque Heater With Base Feet – 15,000 BTU, Manual Control – Model# ML150HPA-B
Pros
- 15
- 000 BTU output covers 800 sq ft
- 3 heat settings
- no electricity required
- push button Piezo ignition
- oxygen depletion sensor
- inexpensive to operate
Cons
- No thermostat
- no fan included
- occasional pilot light issues
- shipping damage reported
The ProCom ML150HPA-B fills the gap between 10,000 BTU compact heaters and 30,000 BTU industrial units. At 15,000 BTU, it covers up to 800 square feet, making it the most versatile mid-size option in our roundup for cabin owners with medium-sized properties.
During my testing in a 720 square foot cabin with mixed insulation, this unit maintained comfortable temperatures even when outside temps dropped to 15°F. The infrared plaque design heats objects directly, which feels comfortable without the air-drying effect of blue flame convection.
The three manual heat settings (Low, Medium, High) provide flexibility without thermostat complexity. I found Medium sufficient for most winter nights, with High reserved for cold mornings when the cabin needed quick recovery.
Setup requires no electricity, which I confirmed by running it on a 20-pound propane tank with no other power source. The push button Piezo ignition lights the pilot reliably, and the ODS sensor adds critical safety for ventless operation.
Who this heater is best for
The ProCom ML150HPA-B is the right choice for cabin owners with medium-sized properties between 500 and 800 square feet who want more heating capacity than compact 10,000 BTU units offer. It suits family cabins, weekend retreats, and small homes where propane is the primary fuel. Buyers wanting flexibility between wall mount and pedestal placement will appreciate the included base feet.
Who should consider alternatives
Cabin owners wanting thermostat control should consider the ProCom ML100TBA-B, which has similar infrared heating in a smaller package with thermostat. For cabins under 400 square feet, 15,000 BTU is more heating capacity than needed and burns extra propane. If moisture buildup is a serious concern in your cabin, the Ashley Direct Vent pulls combustion air from outside and prevents humidity issues.
For cabin owners planning a complete off-grid setup, our guide to the best off-grid solar power systems for remote cabins pairs well with propane heating for a balanced energy strategy.
What to Look for in a Propane Wall Heater for Your Cabin?
Choosing the right propane wall heater comes down to six key factors. I’ve prioritized these based on what actually matters during months of cabin use, not what looks impressive on a spec sheet.
BTU output and cabin size matching
BTU (British Thermal Unit) measures heating output. A general rule: 20 BTU per square foot for well-insulated cabins, 30-40 BTU for poorly insulated cabins. A 400 square foot cabin needs roughly 8,000-16,000 BTU depending on insulation quality. Going larger wastes propane; going smaller leaves you cold.
For weekend cabins with R-13 walls and decent windows, the 10,000 BTU units in our roundup cover up to 500 square feet. Family cabins with R-19+ insulation can stretch a 15,000 BTU unit across 800 square feet. Poorly insulated hunting shacks need 30,000 BTU or more.
Vented vs ventless: the critical safety decision
Vented and direct-vent models exhaust combustion gases outside through a dedicated pipe. This eliminates indoor moisture buildup and reduces carbon monoxide risk, making them the safest option for tight cabin spaces. Installation requires drilling through an exterior wall, which adds complexity but pays off in air quality.
Ventless models burn propane and release water vapor and small amounts of combustion byproducts directly into the room. Modern units include oxygen depletion sensors that shut off the heater if oxygen drops too low. Ventless heaters work well in well-ventilated cabins but can cause mildew in tightly sealed spaces over time.
From our forum research, multiple cabin owners reported moisture and mildew issues with ventless heaters in tight spaces. One Reddit user warned: “Propane heaters give off a lot of moisture which causes mildew problems. I’d never go ventless due to the moisture, smell, and air quality issues.” This is the single biggest reason to consider direct-vent for bedroom use or tight cabins.
Safety features every cabin heater must have
Three safety features are non-negotiable for propane wall heaters in cabins. The oxygen depletion sensor (ODS) automatically shuts off the unit if room oxygen drops below safe levels. The safety pilot cuts gas flow if the flame extinguishes. Look for UL listed or CSA certified markings on the unit, which indicate independent safety testing.
Carbon monoxide detectors are essential regardless of which heater you choose. Even vented units can develop cracks in vent pipes over time. Install a battery-powered or plug-in CO detector in any room with a propane heater, and test it monthly.
Thermostat vs manual control
Thermostat-equipped heaters cycle on and off automatically to maintain a set temperature, which saves propane and prevents overheating. Manual control heaters require you to turn them on, off, and adjust output yourself. Thermostat models cost slightly more but pay back in fuel savings and convenience.
For primary cabin heat used nightly, a thermostat is worth the upgrade. For occasional weekend use or backup heating, manual control works fine and keeps upfront costs down.
Propane tank sizing and runtime
Standard propane tanks come in 20-pound (grill size), 100-pound, and 250+ gallon sizes. A 20-pound tank provides roughly 50-70 hours of runtime on a 10,000 BTU heater at medium setting. A 100-pound tank stretches to 250-350 hours. For full-time winter cabin heating, plan on a 100-pound tank minimum or a permanent 250-gallon propane tank.
For full-time heating in cold climates, a 100-pound tank or larger permanent tank is recommended. Tank freezing occurs in extreme cold when high BTU output vaporizes propane faster than the tank can supply. Keeping the tank at least partially full and shielded from wind prevents freezing issues.
Installation complexity and wall requirements
Most propane wall heaters weigh 13-42 pounds and mount on standard 2×4 wall framing. Direct-vent models require drilling a hole through an exterior wall for the intake and exhaust pipe. Ventless models need only a propane gas line connection, making them easier to install but requiring adequate room ventilation.
For detailed installation guidance, our guide to the best van insulation kits covers insulation principles that apply directly to cabin walls for heating efficiency.
Insulation matters more than heater size for cabin heating efficiency. R-13 walls lose roughly twice as much heat as R-19 walls. Before investing in a larger propane heater, consider adding insulation to walls, ceilings, and floors. This reduces propane consumption and lets a smaller heater do the same job.
For cabin owners who also heat an RV or camper, our roundup of best space heaters for RVs covers portable options worth considering for additional spaces.
FAQs
What is the best wall mounted propane heater?
The best wall mounted propane heater for most cabins is the Ashley Hearth Direct Vent 11,000 BTU. It uses a sealed combustion system that pulls air from outside, which prevents moisture buildup and reduces carbon monoxide risk. For small cabins under 500 square feet, the ProCom ML100TBA-B offers thermostat control at a lower price. For larger spaces, the ProCom ML300HBA-B delivers 30,000 BTU to cover up to 1,400 square feet.
How safe are wall mounted propane heaters?
Modern wall mounted propane heaters are very safe when installed correctly. Look for units with an oxygen depletion sensor (ODS) that automatically shuts off the heater if oxygen drops below safe levels. Direct-vent models are the safest because they exhaust combustion gases outside through a dedicated pipe. Ventless models require a working carbon monoxide detector and adequate room ventilation. Always install a battery-powered CO detector in any room with a propane heater.
Do propane wall heaters use a lot of propane?
Propane consumption depends on BTU output and usage hours. A 10,000 BTU heater running at medium setting uses roughly 0.5 gallons of propane per 24 hours. A 20-pound propane tank provides about 50-70 hours of runtime. A 100-pound tank stretches to 250-350 hours. For full-time winter heating in a 400 square foot cabin, plan on 30-50 gallons per month depending on outside temperatures and insulation quality.
Can you leave a propane wall heater on all night?
Yes, you can leave a propane wall heater on overnight if it has an oxygen depletion sensor and you follow basic safety practices. Install a working carbon monoxide detector in the room. Keep the room adequately ventilated by cracking a window slightly if using a ventless model. Choose a heater with thermostat control so it cycles on and off rather than running continuously. Direct-vent models are safest for overnight bedroom use because they exhaust combustion gases outside.
Final Verdict
After testing 8 propane wall heaters across multiple cabin environments, our team’s top recommendation for most cabin owners is the Ashley Hearth Direct Vent 11,000 BTU. Its sealed combustion system solves the moisture and air quality problems that plague ventless heaters, while the silent operation and safety pilot make it ideal for cabins used as primary residences.
For budget-conscious buyers, the Mr. Heater F299710 delivers reliable heating at a lower cost. Cabin owners wanting thermostat control at moderate pricing should choose the ProCom ML100TBA-B. For large cabins over 800 square feet, the ProCom ML300HBA-B 30,000 BTU provides the heating capacity needed.
Whatever model you choose, install a working carbon monoxide detector and follow the manufacturer’s installation guidelines. The best propane wall heaters for cabins in 2026 all share one trait: they keep you warm safely through long winter nights without needing the power grid.
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