providing definitive electrical making or breaking of circuits for boiler pump control

the internal bi-metal disc may be fatigued and require replacement

Engineered for long-term durability in the field

Technical parameters include a normal off setting of -10°F and a normal on of -2°F

Williams 8940 Conversion Kit 320788-703 providing definitive electrical making orThe Williams 8940 Conversion Kit is a field proven solution for transitioning 22038 series gravity direct vent furnaces from natural gas to liquid propane (LP). As a genuine OEM Williams part, this 22038 conversion kit ensures your 22,000 BTU heating system maintains its rated thermal efficiency and manifold pressure requirements. Precision machined LP burner orifices and a dedicated gas valve regulator spring are included to provide the correct 10"