Williams 9307 Kit 319825-402 This model features a 7/8"

This model features a 7/8" Solder ODF hot gas inlet and 1 3/8" Solder connections for both the liquid inlet and the mixed outlet

As a direct 120V ignition transformer replacement for the 12-8AB02

airtight seal in the combustion and heat exchange chambers

Key Benefits: Thermal Protection: Precisely calibrated to trip at 190°F and reset at 140°F to protect the heat exchanger and surrounding components

Williams 9307 Kit 319825-402 This model features a 7/8"The Williams 9307 Thin Wall Collar Kit is an essential component for technicians installing Williams Direct Vent Wall Furnaces in structures with external wall thicknesses between 1 and 5 inches. This technical assembly adds 4 inches to the effective wall profile, ensuring the external vent cap achieves the required 1 1 4 inch engagement with the air inlet and flue tubes to maintain a sealed combustion system. Constructed from heavy duty galvanized