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Always inspect the heat exchanger for cracks if this switch trips
When diagnosing a furnace pressure switch
When replacing a hydronic circulating pump
causing the unit to lockout for safety
High Torque Performance: Designed as a 1000 RPM blower motor to handle the static pressure requirements of direct-drive fan wheels
Johnson Controls V47AR-3 Valve Els PW 17895 Always inspect the heat exchangerThe 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"
