This selector is designed to interface seamlessly with Maxitrol amplifiers and must be paired with a matching TS114F discharge air sensor to ensure system calibration and prevent temperature droop

technicians should also inspect for a restricted flue

or M9220 units

How do I identify if I need a solid (JE) or split (JES) sleeve

Industrial Durability: Features a corrosion-resistant stainless steel cage and phosphor-bronze bellows for extended service life

Williams 1403822 Direct Vent Furnace Refrigerant This selector is designed toThe 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