the Watts 174A series utilizes a non-metallic disc-to-metal seat and a stainless steel spring to resist corrosive water conditions and prevent seat sticking or freezing

This tubular steel burner is designed to withstand extreme thermal cycles

Key Benefits: Precision Thermal Response: High-accuracy NTC thermistor technology provides exact data to the control logic for stabilized operation

This item is the aluminum balance plate only

offering the same electrical footprint and mounting dimensions for a drop-in replacement

Daikin-McQuay 349956812 Control 318518-761 the Watts 174A series utilizesThe Daikin McQuay 349956812 Control is a precision engineered differential pressure switch designed specifically for dirty filter alarm applications in commercial HVAC units. As an authentic OEM Daikin replacement part, this pressure control switch ensures your air handling units maintain design spec airflow by monitoring the pressure drop across the filter bank. For seasoned technicians, this is a non negotiable component to prevent static pressure