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allowing for direct control of high-capacity fans and compressors
while it is a Double Pole Single Throw (DPST) control
making it an ideal solution for retrofitting older 4-wire systems where pulling a new 18/5 thermostat wire is not feasible
Frosting at the valve outlet or erratic head pressures are also common indicators that the internal mechanism is fouled or failing to open fully
Proper installation requires 1/4-inch flare or G 3/8 A pressure connections
Johnson Controls V47AR-3 Valve Refrigerant allowing for direct control ofThe Johnson Controls V47AR 3 is a rugged, 1 1 2 inch ASME flange direct acting temperature actuated water regulating valve engineered for demanding hydronic and process cooling applications. This cast iron water valve is designed to modulate water flow through a heat exchanger to maintain a specific temperature setpoint between 160F and 230F. Equipped with a 6 foot capillary and a Style 4 sensing bulb (11 16" diameter x 6" length), it utilizes a 1 2"