Heavy-Duty Construction: Manufactured to resist moisture damage and corrosion in demanding environmental conditions

This OEM replacement part serves as a critical multi-circuit wiring assembly

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

and hot water storage tanks

using genuine components is the only way to guarantee the exact fit required for modern high-efficiency furnace maintenance

Daikin-McQuay 349956812 Control 318518-761 Heavy-Duty Construction: Manufactured to resistThe 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