Home > Heating, Hydronics & Backflow > WATTS BACKFLOW > Watts Series 909, LF909 Second Check Kits: 3/4" - 1"
Mark's Part Number:
Manufacturer: Watts
Manufacturer's Part: 0887121
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NOTE: No special tools required to service Series 909.
Note: Rubber seat disc can be replaced. However, disc holder and disc retainer are permanently bonded to prevent failure.
Kit consists of: disc assembly, spring, seat, seat o-ring, cover o-ring and lubricant.
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