This OEM heater element is the standard for restoring emergency heat functionality or primary electric heating stages when a failed heater coil or broken nichrome wire is detected during a service call

this valve ensures efficient media management across varied thermal and pressure conditions

Quiet Operation: Precision-engineered ceramic components provide near-silent fluid circulation

Common Questions Is the 100208486 interchangeable with RLY2044

Key Benefits OEM Compatibility: Specifically designed to match the electrical and flow requirements of Utica and Dunkirk boiler chassis

Lochinvar & A.O. Smith 100112429 Switch R-407A This OEM heater element isThe 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,