Lead-Free Certified: Meets all current plumbing standards for potable water applications

capable of driving multiple valves like the M411

This industry-standard code indicates the switch opens at 170°F (L170) and has a 50-degree differential

the York S1-324-36074-273 is a 1HP ECM Blower Motor engineered for advanced HVAC air handler and furnace applications

Lochinvar & A.O. Smith 100112429 Switch R-407A Lead-Free Certified: Meets all currentThe 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,