Lennox 49W53 Drain Pan 321702-401 preventing gas leaks and pressure

preventing gas leaks and pressure drops at the burner door

thus preventing coil freeze-ups

What is the purpose of the ZP thermostatic charge on this valve

Enhanced Safety: Acts as a primary high-limit fail-safe to protect equipment and property from excessive thermal buildup

Smith 100208243 Blocked Drain Switch is a critical safety component designed for high-efficiency condensing boilers and water heaters

Lennox 49W53 Drain Pan 321702-401 preventing gas leaks and pressureThe Lennox 49W53 is a high grade HVAC condensate drain pan engineered for precise fitment in Lennox residential and commercial air handlers and evaporator coil systems. With primary dimensions of 57. 625 x 1. 125 inches (listed in some technical bulletins as 57. 63" x 5. 5" x 2. 23" depending on the flange profile), this OEM replacement part is critical for managing moisture produced during the cooling cycle. Constructed from durable, corrosion