keeping essential HVAC and fluid systems operational

ensuring reliable circuit continuity during standard operation

Ensure the "Spring Return" arrow on the housing matches your required safety sequence

the Maxon 18118 18MM Spark Ignitor provides a drop-in solution that ensures flame signal stability and consistent light-offs

you must ensure a ground reference is established

Lennox 34W44 Reversing Valve 340793-762 keeping essential HVAC and fluidThe Lennox 34W44 Reversing Valve w Coil is a critical OEM replacement component designed to regulate refrigerant flow direction in residential and commercial heat pump systems. Engineered for precision, this 4 way reversing valve utilizes a 24V solenoid coil (50 60Hz) to manage the shift between heating and cooling cycles. With a 1 2" x 3 4" configuration, the 34W44 is a direct drop in for Lennox 100145 07 and cross references with several Allied,