Lochinvar 100170641 Limit Switch 100170641 Freon The Cleveland Controls AFS-181-43 is

The Cleveland Controls AFS-181-43 is a professional-grade air flow switch engineered for high-accuracy pressure sensing in HVAC

The Watts 0559122 is fully compliant with ASSE 1017

the ASD series is compatible with CFC

OEM Armstrong parts include the necessary set screw

Lochinvar 100170641 Limit Switch 100170641 Freon The Cleveland Controls AFS-181-43 isThe Lochinvar 100170641 Limit Switch is a critical safety component designed for high performance hydronic systems, serving as the direct OEM replacement for the obsolete TST30010. Engineered with an operating range of 30 210F, this auto reset high limit switch monitors internal water temperatures to prevent catastrophic overheating in Lochinvar Copper Fin II boilers and pool heaters. When temperatures exceed the 210F threshold, the switch opens the