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Product Modification Overview for 2000CIV Series Valves

The production of the 2000CIV (Watts 709) valves started in 1998 and ended in 2007. Learn about cover and valve removal, seat removal, and disc replacement procedures for different sizes. Follow the detailed steps provided for effective maintenance.

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Product Modification Overview for 2000CIV Series Valves

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  1. 2000CIV 2½ ”-10”

  2. Modification Overview • Production of the 2000CIV (Watts 709) began in 1998 and was discontinued in 2007.

  3. Check Cover Removal • Cover is o-ring sealed. • Loosen bolts ½”. Spring load is now released from the cover and retained by the check subassembly. • Verify spring load is retained before removing all the bolts.

  4. Check Valve Removal • Center stem guided check assembly. • Disc & spring subassembly. • Slide subassembly straight out of seat and body.

  5. Check Seat Removal * 21/2-3” Seats removed by ¼ turn twist. • 4”-10” Seats secured by two 10” retaining wires. • Pull one wire clockwise / one wire counter clockwise. • Seats are o-ring sealed and pull straight out of body.

  6. Check Disc Replacement • Remove retaining nut for sizes 21/2”-4”. • Remove allen head screws in retainer plate for sizes 6”-10”.

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