Maintenance Instructions Adjustment By
Contents
1. States do not allow the exclusion or limitation of incidental or consequential damages Therefore the above limi tations may not apply to you This Limited Warranty gives you specific legal rights and you may have other rights that vary from State to State You should consult applicable state laws to determine your rights WIWATTS Water Safety amp Flow Control Products IS N55B M1 0730 EDP 1915391 Exe 9001 Watts Regulator Co 20072. Maintenance Instructions e To clean strainer or replace seat stem module shut off supply loosen Locknut and Lock Seal and back off Adjusting Screw e Remove Spring Cage Spring Washer and Slip Ring Grasp Stem Nut with fingers or pliers and lift module from body e Replace module and reassemble valve Stem Nut Strainer e Readjust pressure setting Adjustment Regulator is factory preset to 50psi 844 kPa To adjust pres sure setting loosen the lock nut and turn the adjusting bolt clockwise to increase pressure counter clockwise to decrease pressure Note Use a pressure gauge downstream to adjust and verify the pressure setting By Pass Feature This regulator has a built in thermal expansion by pass feature This feature prevents downstream pressure from rising to more than 10psi above the supply pressure By Pass will not work if inlet pressure is above 150psi 10 3 bar Troubleshooting High System Pressure If the downstream system pressure is higher than the set pressure under no flow conditions the cause could be thermal expansion pressure creep or dirt debris on the seat Thermal expansion occurs whenever water is heated in a closed system The system is closed when supply pressure exceeds 150psi or a check valve or backflow preventer is installed in the supply piping You must make provisions for pressure relief protection of your plumbing system and components The use of a Wwa relief valve suc
3. h as the Watts 530C BRV i Governor 80 or 3L or potable water expansion tank such as the Watts DET PLT or DETA may be required To determine if this is the result of thermal expansion try briefly opening the cold water tap If the increased pressure is caused by thermal expansion the pressure will immedi ately be relieved and the system will return to the set pressure Watts offers a pressure test gauge model 276H300 to assist you in determining if you have high water pressure The 276H300 when attached to a hose bibb registers the highest pressure reading over the period of time it is left on the system Watts 276H300 SEAT STEM MODULE Ula A n WY vk Lock Seal l f gt ais A WA Wr PEAN Me EN i MS Goes Spring Washer Spring Spring Cage SS AN Stem Nut A NIS KZL EEEN NI I LGAN Slip Ring NS RS SIME 3 Ne A Seat Stem 7 7 N Module TTT AR NG WA GS Ne Strainer ESSN NG Ss ee Repair Kit KIT NO ORDERING KIT mm CODE INCLUDES Ym 15 20 25 0007723 Seat Stem N55B RK Module WARNING For valves with CPVC or PEX end connections do not exceed the tubing manufacturers pressure and temperature ratings Refer to the tubing manufacturers product specifications for that information CALIFORNIA PROPOSITION 65 WARNING WARNING This product contains chemicals known to the State of California to cause cancer and birth defects or other reprod
4. uctive harm California law requires this warning to be given to customers in the State of California For more information www watts com prop65 Limited Warranty Watts Regulator Company warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original ship ment In the event of such defects within the warranty period the Company will at its option replace or recondition the product without charge This shall constitute the sole and exclusive remedy for breach of warranty and the Company shall not be responsible for any incidental special or consequential damages including without limitation lost profits or the cost of repairing or replacing other property which is damaged if this product does not work properly other costs resulting from labor charges delays vandalism negligence fouling caused by foreign material damage from adverse water conditions chemical or any other circumstances over which the Company has no control This warranty shall be invalidated by any abuse misuse misapplication or improper installation of the prod uct THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Any implied warranties that are imposed by law are limited in duration to one year Some States do not allow limitations on how long an implied warranty lasts and some
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