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by entering your model number.. WARM, ADJUSTABLE HEAT 20,000 Btu – Keep living or work spaces heated with a direct vent wall heater with room thermostat that lets you monitor your heat dispersion. BUILT-IN THERMOSTAT (Low - High Dial). EXCLUSIVE GLASS CERAMIC WINDOW – A true market exclusive accessory, available on 11,000 Btu and 20,000 Btu indoor propane gas units. STYLISH & CLEAN ENERGY – A sleek fireplace design, our direct vent gas heater produces safe, clean energy that’s economical and aesthetically pleasing.. QUICK & EASY INSTALLATION – Connect our heater to a gas fitter and it will heat your living space effectively with low maintenance required. (The wallʼs thickness cannot be less than 4-1/2” (11.5 cm) nor can it exceed 12-5/8” (32 cm).). CERTIFIED QUALITY – Heavy-duty grill made with die-cast aluminum and glass ceramic window for more safety, Product is certified for use in the USA and Canada.
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