Lennox 72L34 Expansion Valve 30067439-890 contractors typically utilize the UK-48

contractors typically utilize the UK-48 or H-48 cores which are better suited for higher moisture demands

This specific boiler temperature probe includes the necessary mounting grommet to ensure a gastight seal at the venting interface

Designed with non-directional flow capabilities

Optimized Airflow: The 29-degree pitch is balanced for high-velocity air movement

Maintaining a proper seal on the condensate collector box is vital for preventing combustion byproduct leakage and ensuring the pressure switch detects the correct static pressure for safe inducer motor operation

Lennox 72L34 Expansion Valve 30067439-890 contractors typically utilize the UK-48The Lennox 72L34 Expansion Valve is a precision engineered OEM thermal expansion valve (TXV) designed to regulate refrigerant flow with extreme accuracy. This 3 ton capacity valve is specifically calibrated for use in R 410A and R 22 systems, providing consistent superheat control to prevent liquid slugging and evaporator starvation. Field verified as identical to the Lennox 72L3401, this component features a 3 8 inch suction and 1 4 inch liquid