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Xylem: On-Off Zone Valve

On-Off Zone ValveThe Bell & Gossett® snap zone valve is a compact four-wire thermoelectrically operated on-off zone valve designed for heating and cooling systems. Featuring an innovative compact design and an adapter ring that allows for the actuators to be installed in any 360-degree position, the valve can fit under baseboards or in other tight spaces. A push-button actuator facilitates one-handed installation and permits wiring in any direction. A visual indicator provides quick and easy recognition of which valves are energized, and a replaceable plunger assembly allows for internal removal without removing the valve from the system. Features include soft-close technology to suppress water hammer, silent actuator operation, 360-degree actuator installation, one-handed actuator installation, and valve in-pipe serviceable. According to the manufacturer, the valve is suitable for 50/50 glycol mix and retrofit installations and solar heating applications. The union connections enhance quick installation. The snap zone valve is made with a forged brass body that allows for high-temperature and high-pressure applications. The valve has an operating temperature range for fluids of 32°F (0°C) to 212°F (100°C), maximum operating pressure of 240 psi, maximum differential close-off of 60 psi, shutoff speed of 3 minutes, opening speed of 3 minutes, electrical rating of 24V 60Hz, and power consumption of 1.8 W.


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