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This HVAC pneumatic controller is a staple for technicians requiring dependable
Maintaining proper thermal regulation is critical for system safety
The AT-520-40 specifically includes the adjustment knob
compressor stages
Versatile Installation: Suitable for both vertical and horizontal mounting configurations on the cold water supply line
Bray Commercials ST75-3-02 Valve Els PW 17895 This HVAC pneumatic controller isThe Bray ST75 3 02 Soft Touch Series is a precision engineered 3 way mixing and diverting valve designed for high performance HVAC applications. This 3 4 inch NPT valve features a 2. 0 Cv rating, providing accurate flow control for chilled water, hot water, and up to 50% glycol solutions. Constructed with a forged brass body and a chrome plated brass ball, the ST75 3 02 ensures long term reliability in demanding hydronic loops. The proprietary Soft
