Durable Construction: Built to withstand the high-demand environments of industrial heating systems and commercial water heaters

For technicians diagnostic workflow

providing modulating feedback for precise system integration

Advanced System Protection: Onboard short cycle protection and purge cycles safeguard the compressor and heat exchanger

Hydrolevel 450A Low Water Cut-Off 322057-301 Durable Construction: Built to withstandProfessional contractors who need high performance boiler safety solutions trust the Hydrolevel 450A Low Water Cut Off as their primary defense against dry firing. This 120V steam boiler LWCO is a non cycling, electronic control specifically engineered for residential and light commercial steam systems. It features the Hydrolevel EL1220 sensing probe, which utilizes the boiler waters own conductivity to complete the circuit, ensuring there are no