Heavy-Duty Relays: Robust onboard relays manage blower motor speeds and inducer timing with industrial-grade reliability

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

Mercury-free construction offers a safe and compliant solution for modern HVAC retrofits

Field Versatility: Direct compatibility with rigid or flexible round ductwork via crimped (male) and uncrimped (female) ends

Hydrolevel 1100M Low Water Cut-Off 326010-701 Heavy-Duty Relays: Robust onboard relaysThe 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