With its NEMA 1 enclosure

Robust Construction: Built to withstand extreme discharge temperatures and high-pressure environments typical of commercial and residential split systems

or intermittent operation during high-wind conditions

Designed for professional installation by HVACR contractors

Inspect the guard for broken welds

Hydrolevel 1100M Low Water Cut-Off 326010-701 With its NEMA 1 enclosureThe Hydrolevel 1100M (Part Number 45 1100M) is a compact, 24Vac low water cut off (LWCO) designed specifically for residential hot water boilers. Engineered for reliable boiler dry fire protection, this probe type control monitors water levels effectively without the mechanical failures associated with float style switches. This specific model features a manual reset function that triggers after a 30 second delay, ensuring the technician can