allowing for a drop-in fit during field conversions or maintenance

and general fan proving circuits

Critical Safety Logic: Prevents furnace ignition during blocked vent or failed inducer motor scenarios

and Intertherm units

reducing commissioning time for contractors

Hydrolevel 1150 Low Water Cut-Off Els PW 17895 allowing for a drop-in fitThe Hydrolevel 1150 Low Water Cut Off is a specialized 120VAC safety control engineered for residential hot water boilers. Designed to provide critical protection against dry firing, this Safgard 1150 model utilizes a non moving electronic probe to monitor water levels. In a low water condition, the 1150 immediately interrupts the burner circuit to prevent catastrophic equipment failure. As an automatic reset LWCO, it restores power to the burner once