The enclosed relay features a 1/2" NPT nipple that threads directly into a standard conduit knockout

The Parker 75370 is a heavy-duty R-23MM solenoid coil engineered for precise refrigerant flow management in technical refrigeration systems

though factory-assembled bi-flow versions are typically preferred for new installs

Always verify the L180-40 stamping on the old part before installing

technicians should always verify the specific boiler feed pump amp draw against the switch ratings found in the technical datasheet

Lennox 64J11 Collector Box/Trap Refrigerant The enclosed relay features aThe Lennox 64J11 Collector Box Trap, also identified by manufacturer part number LB 66579B, is a critical OEM replacement part designed for high efficiency condensing gas furnaces. This cold end header box is specifically engineered to manage secondary heat exchanger effluent by effectively trapping and directing acidic condensate into the drain trap assembly. Built to withstand the corrosive environment of flue gas byproducts, the Lennox 64J11