Williams 8909 Conversion Kit 318973-401 Is the suction service valve

Is the suction service valve included

hermetic seal essential for maintaining system integrity under high pressure

The Honeywell Analytics E3P Sensor Cartridge (MPN: 1309A0041) is a plug-and-play propane gas sensor designed for seamless integration with the E3Point gas detection series

The integrated silicone seat provides a bubble-tight seal that withstands thermal cycling up to a maximum temperature of 250°F

and 341449

Williams 8909 Conversion Kit 318973-401 Is the suction service valveThe Williams 8909 is a field proven Natural Gas to Propane (LP) conversion kit specifically engineered for Monterey Plus Top Vent Furnaces. Designed for compatibility with the 50098 and 50096A series, this kit ensures a precise fuel conversion while maintaining the unit's 50,000 BTU rating. As a veteran grade OEM furnace part, the assembly includes the necessary main burner orifices and a dedicated pressure regulator for Williams brand gas valves.