this valve is optimized for general service applications involving air

cutting the capillary will vent the fill and render the instrument inoperative

saving valuable rail space and reducing wiring complexity

Is this board compatible with 1-phase systems

Hydrolevel 550 Low Water Cut-Off Els PW 17895 this valve is optimized forThe 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,