the 20-350-03 part number typically refers to the 1/2" water gauge valves only

The Lennox 52W76 is a 5-ton thermostatic expansion valve (TXV) engineered for high-capacity R-410A refrigerant systems

the FM1 series module delivers industrial-grade switching reliability and noise immunity for the most demanding technical environments

7 seconds)

This 10197103S kit is designed for specific furnace chassis

Beckett Igniter PF224N2U Pump 326058-758 the 20-350-03 part number typicallyThe Beckett Igniter PF224N2U Pump is a critical replacement component engineered for high pressure oil burner applications requiring consistent 8 GPH delivery. Built for two stage fuel oil pump systems, this unit ensures reliable fuel atomization and stable combustion in demanding residential and light commercial settings. Designed as a direct drop in for specific Beckett oil burner parts, the PF224N2U features a robust internal geopump mechanism