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Lochinvar 100157646 is a low water cut off manual-reset kit that interrupts a boiler's firing circuit when internal water levels fall below safe thresholds. The OEM replacement kit fits compatible Lochinvar and A.O. Smith boiler assemblies and requires a manual reset after a low-water event to ensure technician verification before restart. The unit is available as an individual replacement kit and is listed with compact dimensions and light weight.
OEM low water cut off manual-reset kit for Lochinvar and A.O. Smith boilers; probe or float sensing; interrupts firing circuit to protect heat exchanger and requires manual reset.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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