Lochinvar & A.O. Smith 100112429 Switch Els PW 17895 Installing this replacement furnace heat

Installing this replacement furnace heat exchanger optimizes energy consumption and maintains consistent indoor air quality

The Weil McLain 511-330-089 Sensor & Clamp is a critical OEM replacement water temperature sensor engineered for precise thermal monitoring in high-efficiency hydronic systems

and a diaphragm/seat assembly

is a high-grade NBR (Nitrile Butadiene Rubber) elastomeric spider designed for jaw-type shaft couplings

Lochinvar & A.O. Smith 100112429 Switch Els PW 17895 Installing this replacement furnace heatThe Lochinvar & A. O. Smith 100112429 Blocked Flue Switch is a critical safety component designed for high efficiency water heaters and commercial boilers. As a normally closed thermal switch, it monitors the venting system for atmospheric pressure imbalances or physical obstructions that could lead to dangerous carbon monoxide accumulation. Engineered for precision, this OEM replacement part triggers a system shutdown if it detects flue gas backup,