Williams 1403822 Direct Vent Furnace 30067439-890 essential for gravity-fed or low-pressure

essential for gravity-fed or low-pressure loops

optimized for residential and light commercial direct drive blower assemblies

Precise Timing: Features specific pre-purge and post-purge cycles to ensure safe combustion gas evacuation

The flow arrow must point toward the expansion device

this results in "slugging

Williams 1403822 Direct Vent Furnace 30067439-890 essential for gravity-fed or low-pressureThe Williams 1403822 Direct Vent Furnace is a high efficiency natural gas wall heater designed for compact residential and commercial heating applications. Delivering 14,000 BTU hr, this unit is the engineered direct replacement for the 1403612, ensuring seamless HVAC retrofit compatibility with existing venting configurations. Utilizing a sealed combustion system, this direct vent heater draws combustion air from outdoors, making it ideal for