Hydrolevel 500 Low Water Cut-Off Refrigerant At its maximum differential pressure

At its maximum differential pressure of 75 psi

a new plunger assembly

It is designed for use in steam

providing 120V outputs for both a humidifier and an electronic air cleaner

2" WC step opening to prevent hard ignitions and ensure consistent burner performance

Hydrolevel 500 Low Water Cut-Off Refrigerant At its maximum differential pressureThe Hydrolevel 500 Low Water Cut Off is a professional grade safety control engineered for hot water boilers in both residential and commercial applications. Operating on 24VAC, this electronic LWCO utilizes a probe to monitor water conductivity, effectively preventing dry firing and mechanical failure. Unlike mechanical float switches, this solid state control features no moving parts, eliminating the need for periodic blowdowns. The unit is equipped