Williams 8909 Conversion Kit R-410A The Sensus 243-8-IRV-1 1/4 is

The Sensus 243-8-IRV-1 1/4 is a heavy-duty commercial gas regulator engineered for precision in large-scale residential and light industrial gas distribution

Utilizing precision engineering and a robust CSHC-series design

For contractors performing maintenance or emergency repairs

Multi-Wattage Compatibility: Precision engineered to provide consistent 9/10

It is easily distinguished from the ignitor by its single-wire connection and thinner rod profile

Williams 8909 Conversion Kit R-410A The Sensus 243-8-IRV-1 1/4 isThe 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.