The water filtration system connects to the system pump suction via main piping and a water filter unit. Branch and main piping feature a one-quarter inch soft copper tubing vent valve located at the most accessible location, maintaining a six-inch minimum clearance. A one-half inch ball valve with hose bibb is installed five feet above the floor level in an accessible location.
COILS AND SUBCIRCUITS B 1/2" 1/4" SOFT COPPER TUBING MAIN PIPES VENT VALVE, LOCATE VALVE AT MOST ACCESSIBLE LOCATION BRANCH OR MAIN PIPING 6" MIN. 1/2" BALL VALVE WITH HOSE BIBB. LOCATE VALVE 5'-0" ABOVE FLOOR LEVEL IN AN ACCESSIBLE LOCATION. A FROM SYSTEM WATER FILTER TO SYSTEM PUMP(S) SUCTION
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