Chilled water supply and return lines connect to an HVAC coil utilizing two-and-a-half-inch pipe diameters with threaded unions. The chilled water supply branch includes a typical isolation valve, a strainer with a ball valve and hose end connection, and a three-quarter-inch ball valve providing a hose thread drain connection to a floor drain. Both supply and return lines feature pressure and temperature test plugs, manual air vents at high points, and an existing control valve on the return side.
A A A (TYP.) (TYP.) UNION CONTROL VALVE (E) AIR VENT P & T TEST PLUG CWR CWS ISOLATION VALVE (TYP.) COIL STRAINER WITH BALL VALVE AND HOSE END CONNECTION 3/4" BALL VALVE WITH HOSE THREAD DRAIN CONNECTION OR PIPE TO FLOOR DRAIN MANUAL AIR VENTS AT HIGH POINTS 2 1/2" 2 1/2"
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