visible through a wide-angle viewing window

this spring allows technicians to calibrate outlet pressure within the 10-22" WC (water column) range

0-ton air handler and furnace transitions

this component is essential for service technicians managing high-torque starting requirements in air conditioning and refrigeration systems

Consistent Flame Sensing: Features a dedicated flame rod for reliable rectified current detection

Lennox 72L34 Expansion Valve Els PW 17895 visible through a wide-angle viewingThe 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