and solid debris in both flow directions without requiring external check valves

If the fan is at full speed but the switch remains open

Does this switch include an isolation auxiliary contact

or alarm states

duct furnaces

Lennox 60L37 Expansion Valve Els PW 17895 and solid debris in bothField technicians and HVAC contractors rely on the Lennox 60L37 Expansion Valve to maintain precise refrigerant metering in high demand environments. This OEM Lennox replacement part, which is physically and functionally identical to the 60L3701 and 040658 01 part numbers, is a 5 ton H series Thermostatic Expansion Valve (TXV) engineered for R 22 and R 407C systems. With a 3 8 inch inlet and 1 2 inch outlet, this valve ensures optimal superheat and