this assembly supports long-term system reliability and stable water level control

Maximum Pressure Durability: Rated for up to 650 PSIG

It features a manual lift stem for system troubleshooting and vacuum pull-down

visible cracks on the surface

Hydrolevel 550SV Low Water Cut-Off Els PW 29614 this assembly supports long-term systemThe Hydrolevel 550SV Low Water Cut Off is a specialized safety control engineered for hot water boiler applications where a manual reset is required. This 120VAC unit (Part No. 45 551) utilizes a Safgard EL1214 SV sensing probe to monitor water levels via hydrostatic pressure and conductivity, providing 15,000 ohm sensitivity. Designed for direct mount installation via a 3 4" NPT connection, the 550SV prevents dry fire conditions by interrupting the