For contractors servicing mobile home furnaces or residential air handlers

this float-operated control manages pump activation while providing critical low water protection to prevent boiler dry-firing

Durable Construction: Engineered with premium materials to withstand frequent cycling in demanding environments

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

Lennox 64J11 Collector Box/Trap Refrigerant For contractors servicing mobile homeThe 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