Hydrolevel 650SV Low Water Cut-Off 30067439-890 this module handles the communication

this module handles the communication between the air handler control system and the blower motor to ensure exact CFM delivery across various static pressure conditions

When you are servicing McQuay high-velocity systems or Daikin air handlers

The W48HH core features a high-capacity activated charcoal medium that effectively removes wax and sludge

Optimized Flow: Designed for high-flow performance with negligible pressure drop

Designed as a high-performance HVAC oil transfer pump

Hydrolevel 650SV Low Water Cut-Off 30067439-890 this module handles the communicationThe 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