and G terminals

The Weil-McLain 635-100-010 is a heavy-duty commercial thermostat designed for high-demand hydronic heating and indirect water heater systems

ensuring it can handle the inductive loads typically found in Lennox furnace blower compartments and air handlers

it is compatible with both intermittent ignition and standing pilot systems

High Ambient Tolerance: Designed to operate reliably in high-heat environments common in aging or high-efficiency forced-air systems

Lennox 12P11 Collector Box 322838-752 and G terminalsThe Lennox 12P11 Collector Box (OEM #611899 01) is a critical 7 burner furnace component designed for high efficiency 90% AFUE condensing gas furnaces. As a veteran grade HVAC replacement part, this collector box is engineered to manage the transition of flue gases into the furnace inducer motor while facilitating the proper drainage of acidic condensate. Constructed from durable, corrosion resistant materials, the 12P11 ensures a leak proof seal at