Watts 0887708 1 1/4-2 Backflow Rubber Repair Kit, 800M4 - 800m4
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Auto Air Ventvalve
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Auto air ventboiler
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Automaticair ventvalve for chilled water system
Auto air vent (3/8″) with shut off valve and manual vent feature. Positioned at high points in the system (e.g. on top of thermal stores), the automatic air vent releases the collected air. Features a fast purge function for filling thermal store cylinders.
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