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

Versatile Switching: Equipped with 2x SPDT contacts for multiple control sequence applications

What is the maximum stretch length for the MARS 34630

Designed as a fixed spud orifice

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,