Hydrolevel 550 Low Water Cut-Off Refrigerant push the manual reset button

push the manual reset button located on the front of the unit

A tripped 52M74 switch usually indicates restricted airflow

Precision Capacitance: Maintains a tight +/- 5% tolerance for 15/5 microfarad outputs

Does this insert require special tools for installation

What causes these relays to burn out prematurely

Hydrolevel 550 Low Water Cut-Off Refrigerant push the manual reset buttonThe 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,