Packaged in a compact 4-inch track-compatible housing

and pumps within these specific horsepower limits

a separate packing nut (like the F55) may be used if the system is drained

you ensure that the internal raceway tolerances meet the original equipment manufacturer’s specifications for heat dissipation and radial load capacity

An open limit switch typically breaks the circuit to the gas valve

Lennox 75M49 Solenoid Coil Packaged in a compact 4-inchThe Lennox 75M49 is a high performance 24V solenoid coil designed specifically for reversing valve applications in residential and commercial heat pump systems. This genuine OEM replacement part (also identified as 75M4901) ensures precise shifting of the refrigerant flow between heating and cooling cycles. Engineered to operate on a 24V AC control circuit at 50 60 Hz, it provides the necessary magnetic force to actuate the internal pilot valve of the