Zurn-Wilkins 2-975XL2SEU Use and Care Manual
Contents
1. Double Check Valve Backflow Preventer Reduced Pressure Principle Backflow Preventer Model 950 950XL 975 amp 975XL JZURN Draining Procedure for Freeze Protection WILKINS TEST COCKS 4 INLET SHUT OFF OUTLET SHUT OFF VALVE 3 VALVE 5 OUTLET DRAIN wi VALVE 6 MAIN SHUT OFF J VALVE 1 COVERS 7 L lt lt DIRECTION OF FLOW INLET DRAIN VALVE 2 IF ALLOWED BY LOCAL CODES To drain backflow preventer for freeze protection use the following procedure 1 Turn off main shut off valve 1 that supplies water 5 CAUTION Open outlet shut off valve to the backflow to the system preventer 5 and outlet drain valve 6 to the half open half closed 45 position after blow out 2 Open both inlet and outlet drain valves in the system process is completed 2 amp 6 Open inlet and outlet shut off valves on the backflow preventer 3 amp 5 and all of the test cocks 6 Leave all drain valves 2 amp 6 shut off valves 3 amp 5 4 Leave all valves and test cocks in the half and test cocks 4 in the half open half closed posi open half closed 45 position to allow full drainage tion 45 for the duration of the winter to prevent of the ball valves and test cocks freezing 3 If you wish to blow out the system downstream of 7 You may loosen the check valve covers 7 to allow the backflow preventer make sure the outlet drain complete drainage of the backflow body valve 6 is open and the backflow2. preventer shut off valve 5 is closed CAUTION Be certain that main shut off valve 1 remains tightly closed to prevent refilling of the 4 Connect an air hose to the outlet drain valve 6 and system Also the main shut off valve must be resi inject an adequate volume of air to remove all water lient seated to insure no leakage of water into the from the downstream portion of the system system WARRANTY ZURN WILKINS Valves are guaranteed against defects of material or workmanship when used for the services recommended If in any recommended service a defect develops due to material or workmanship and the device is returned freight prepaid to ZURN WILKINS within 12 months from date of purchase it will be repaired or replaced free of charge ZURN WILKINS liability shall be limited to our agreement to repair or replace the valve only Proposition 65 Warning This product contains chemicals known to the State of California to cause cancer or birth defects or other reproductive harm In accordance with U S Federal Safe Drinking Water Act Lead Free requirements as of January 4 2014 this product can only be used in water systems considered non potable Please contact your local water utility for further requirements ZURN ZURN WILKINS WILKINS 1747 Commerce Way Paso Robles CA 93446 Phone 855 663 9876 Fax 805 238 5766 1IS950 amp 975FP REV 4 13 www zurn com
Download Pdf Manuals
Related Search