Williams 30,000 BTU Direct Vent Propane Heater
Williams 30,000 BTU Direct Vent Propane Heater
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Williams 30,000 BTU Direct-Vent Wall Furnace
High-Capacity Propane Wall Heater — Model 3003821
Order & Install Info
- Exterior vent kit included (walls up to 9").
- Must be installed by a certified gas tech.
- Thermostat required and sold separately.
The Williams 30,000 BTU Direct-Vent Propane Wall Furnace brings powerful, whole-room warmth to open-concept cabins, living rooms, and workshops. It delivers steady convective heat while keeping fuel costs low.
100% sealed combustion pulls fresh air from outdoors and vents exhaust outside—keeping indoor air fresh and safe, all with zero electrical power.
Off-Grid Heating & Pilot
- Zero Electricity: Heats 100% without power, batteries, or generators.
- Push-Button Pilot: Matchless spark igniter lights without matches.
- Cast-Iron Burners: Heavy-duty burners deliver quiet, even heating.
- Auto Safety Controls: Factory-tested temperature limit and safety shut-off.
Sealed Combustion & Venting
- 100% Sealed Air: Uses zero indoor air; draws fresh air from outdoors.
- Vent Kit Included: Complete wall vent assembly with bird guard (up to 9" wall).
- Thick Wall Extensions: 15" wall extensions available if needed.
- 10-Year Chamber: Ceramic combustion chamber backed by a 10-year warranty.
Dimensions & Gas Specs
- Heating Output: 30,000 BTU input (21,849 BTU output), 73% thermal / 66% AFUE.
- Cabinet Size: 32.125" W x 28" H x 10.25" D (100 lbs) in scratch-resistant white.
- Clearances: 2" side, 5.5" floor, 30" ceiling; standard 1/2" gas inlet.
- Warranty: CSA listed with 1-year parts & 10-year firebox coverage.
Accessories & Options
- Required Thermostat: Pair with the Williams Thermostat (Code 765-737).
- Optional Fan: Add the High-Capacity Blower (Code 765-732) for faster air flow.
- Fuel Versatility: Propane ready (convertible to Natural Gas).
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