This OEM replacement part is essential for maintaining the integrity of hydronic boiler systems

such as a weak thermopile signal

this kit provides the precise electrical switching necessary for peak operational efficiency

Using a DC voltage can result in coil failure or improper actuation

installing this 120V 1500W tank heater into a 240V system will result in immediate element failure and potential damage to the control board

Lennox 91M01 TXV 319848-301 This OEM replacement part isThe Lennox 91M01 TXV is a precision engineered 6 ton thermostatic expansion valve designed specifically for high capacity R22 refrigerant systems. As an essential metering device for commercial and industrial HVACR equipment, this OEM Lennox part ensures optimal evaporator efficiency by maintaining precise superheat levels. It is built to regulate refrigerant flow accurately, preventing common issues such as compressor flooding or evaporator