Hydrolevel 650SV Low Water Cut-Off Els PW 29614 Integrated with a internal bleed

Integrated with a internal bleed resistor

Does this solenoid kit include all necessary hardware

What output signal does this sensor provide for my controller

As a genuine HVAC blower pulley replacement

Hydrolevel 650SV Low Water Cut-Off Els PW 29614 Integrated with a internal bleedThe Hydrolevel 650SV Low Water Cut Off is a heavy duty, electronic boiler safety control engineered to provide immediate burner circuit interruption during low water conditions. Operating on 120Vac, this Safgard 650 series unit features an automatic reset function that restores power to the burner once the water level returns to a safe operating point. Designed specifically for hot water boilers, the Hydrolevel 45 651 includes the EL1214 SV sensing