Zurn-Wilkins XT-8 Installation Guide
Contents
1. ILKINS liability shall be limited to our agreement to repair or replace the valve only ZURN ZURN WILKINS WILKINS 1747 Commerce Way Paso Robles CA 93446 Phone 855 663 9876 Fax 805 238 5766 ISXT REV 3 14 www zurn com2. Model XT LEAD FREE aon Water Thermal Expansion Tanks ZURN This product contains a weighted average lead content less than 0 25 for wetted surfaces LJ Installation LJ Maintenance Instructions WILKINS SPECIFICATION Fill pressure and air charge pressure 40 PSI Max Operating PreSSure ccssssccssseeeeeeseees 150 PSI For potable water applications PRODUCTS NSF ANSI 61 To obtain maximum effectiveness and to prolong XT series NSF ANSI 372 tank life ADJUST TANK PRE CHARGE TO EQUAL LINE PRESSURE NOT TO EXCEED 80 PSI Example WN COLD IN HOT OUT If normal city water pressure at tank location is 55 psig increase poe air pre charge in XT tank to 55 psig This can be done with a fey Hast oe rag bicycle pump or air compressor Pressure can be checked with a PEE EIA a standard tire gauge ete pee oo HEATER INSTALLATION MODEL NR3XL ac eat 1 Shut off power or gas to water heater WATER PRESSURE lt REDUCING VALVE ae 2 Shut off cold water supply to water heater INLET SHUT OFF fai ii MODEL XT e 3 Drain water from heater MAKE SURE THAT A FAUCET OR VALVE a f E OTHER FIXTURE IS OPEN TO PREVENT VACUUM BUILD UP l 5 DIRECTION OF FLOW 5 g ORAN 4 With water completely drained from water heater install XT Series Thermal Expansion Tank by teeing into a cold water supply as shown XT tank
3. must be installed on the cold water supply and between water heater and check valve backflow preventer etc 5 Strapping or bracing must be used when tank is installed in the horizontal position This will allow support of the tank when filled with water MODEL XT INSTALLATION MAINTENANCE The tank pre charge should be checked annually The water pressure must be removed from the tank to prevent a false reading 1 Shutoff water supply 2 Open a faucet to remove pressure from the system 3 Check tank pressure with a tire gauge Add air to tank if it doesn t match the incoming water pressure If the tank pressure is zero or if water discharges from the air valve then it should be replaced NOTE Model XT tanks are certified to NSF ANSI 61 domestic 4 Turn water supply back on hot but are suitable for temperatures up to 200 F TANK DIMENSIONS AND CAPACITIES DIMENSIONS MODEL WoRKING TANK _ acceptance FACTORY ee NUMBER PRESSURE VOLUME VOLUME PRE CHARGE DIAMETER HEIGHT CONNECTION gallons psi psi gallons Ibs 8 1012 _3 4NPT_ 55 5 9 0 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 5 years from date of purchase it will be repaired or replaced free of charge ZURN W
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