Hydrolevel 550 Low Water Cut-Off Refrigerant Built with a rugged brass

Built with a rugged brass body and featuring a 1/2" NPT connection

Designed as a fixed spud orifice

Technicians frequently deploy the Watts P-8 float in cooling towers

this switch serves as the verified successor to several legacy part numbers

Common Questions What is the enclosure rating for the Danfoss 042N7520

Hydrolevel 550 Low Water Cut-Off Refrigerant Built with a rugged brassThe Hydrolevel 550 Low Water Cut Off is a heavy duty 120V electronic safety control designed for critical protection in hot water boiler systems. This unit serves as a direct replacement for PSE 801 M 120 and Slant Fin 432 554 000, ensuring seamless field integration for service contractors. Engineered to prevent dry firing, the Hydrolevel 550 utilizes the EL1214 sensing probe to monitor water levels via conductivity. The manual reset functionality,