This National Board certified valve is a direct replacement for Apollo 19 series configurations requiring precise blowdown control and repeatable performance

Optimized Performance: The 10" diameter and 7" width profile is calibrated for standard residential HVAC blower deck configurations

Heavy-Duty Construction: Built to withstand the continuous duty cycles required for commercial fan coil units and air handlers

Simplified Field Service: Interchangeable design allows a single coil size to service multiple valve bodies

Does this solenoid valve require a minimum pressure differential

Siemens Building Technology 656-0012 Valve Assembly R-407C This National Board certified valveThe Siemens Building Technology 656 0012 is a precision engineered normally closed pneumatic valve assembly designed for high performance fluid control in terminal unit applications. Part of the Powermite series, this 2 way globe valve features a 1 2 inch line size and a 2. 1 Cv flow coefficient, making it ideal for managing hot water, chilled water, or steam in fan coil units, convectors, and reheat coils. The 10 15 psi pneumatic actuator range