Lennox 25W25 Expansion Valve Freon Durable Cast Iron Construction: Provides

Durable Cast Iron Construction: Provides superior structural integrity and pressure resistance for heavy-duty commercial hydronic applications

This Reznor conversion kit is designed for UDAP and UDAS power-vented and separated combustion models in the 30

or a failing oil pump

this valve regulates fuel delivery to the burner assembly with high precision

and integrated ignition modules

Lennox 25W25 Expansion Valve Freon Durable Cast Iron Construction: ProvidesThe Lennox 25W25 Expansion Valve (OEM part 100679 04) is a high precision thermostatic expansion valve (TXV) engineered for R22 refrigerant systems with a cooling capacity of up to 3 tons. As a critical metering device, it manages the transition of refrigerant from the high pressure liquid line into the evaporator coil by precisely adjusting flow based on heat load. This HVAC expansion valve ensures the evaporator operates at peak efficiency,