Williams 3003822 Wall Furnace THPU32HP7Y precise ignition timing is critical

precise ignition timing is critical for avoiding delayed ignition or pilot dropouts

meeting rigorous codes for fuel control

How do I verify the capacity for a specific BTU load

the Series 26 platform allows for factory-set delays up to 90 seconds

Williams 3003822 Wall Furnace THPU32HP7Y precise ignition timing is criticalThe Williams 3003822 is a professional grade 30,000 BTU direct vent wall furnace designed for high efficiency zone heating in residential and light commercial applications. As a direct replacement for models 3003612 and 3003622, this natural gas unit features a sealed combustion chamber that pulls oxygen directly from the outdoors, preserving indoor air quality and preventing back drafting. With a 66% AFUE rating and a 21,000 BTU output, it provides