Optimized Airflow: Precision-balanced for 1140 RPM

We recommend inspecting your existing fasteners for wear and replacing them if they show signs of stripping or corrosion during installation

Direct OEM Compatibility: Engineered as a precise match for Daikin-McQuay systems

24V 2-position motorized damper operator engineered for precise control in commercial and industrial HVACR systems

Installing a higher-rated switch can create a fire hazard

Watts 0346040 Relief Valve 318820-201 Optimized Airflow: Precision-balanced for 1140The Watts 0346040 (Series 174A) is a high capacity ASME Section IV boiler pressure relief valve designed for commercial and industrial hot water heating applications. Featuring a 3 4 inch NPT inlet and outlet, this valve is factory set to a 10 PSI relief pressure, providing critical overpressure protection for hot water boilers and storage tanks. The bronze body construction and non metallic seat to disc design ensure long term durability and prevent