Taco 5421, 1/2" NPT Brass Zone Valve

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Non-electric straight through zone valve with 1/2" female IP x 1/2" male union nut and nipple. These straight pattern valves can be used with remote operators or built-in operators , but when using the built-in operator, turn the valve so the sensor is on the side rather than the top to prevent ambient temperature rising up into built-in operators as they also contain a temperature sensor. Show more