Built for Durability: Industrial-grade PCB construction designed specifically for high-efficiency condensing boiler applications

High-Temperature Durability: Constructed with premium materials to resist insulation breakdown caused by repeated thermal cycling

typically utilized to signal a fully open or fully closed state to the building controller

and light oils (up to 300 SSU) for diverse mechanical projects

This is the specific replacement heating coil

Lennox 52M63 Collector Box 322838-752 Built for Durability: Industrial-grade PCBThe Lennox 52M63 Collector Box is an essential OEM component designed for the efficient management and venting of combustion byproducts in high efficiency residential furnaces. This flue collector box is engineered specifically for the Lennox G40, G43, G50, G51, and G61 series gas furnaces, serving as the critical interface between the heat exchanger and the combustion air inducer. Constructing a reliable seal at the "cold end," the 52M63 ensures that