⭐ Compatible with 1/2-inch, 3/4-inch, and 1-inch 720A series pressure vacuum breakers, this repair kit is made of stainless steel, rubber, and plastic for wear resistance and long service life.
⭐ Designed for installation on potable water lines, the 720A series pressure vacuum breaker assembly protects against back-siphonage of contaminated water into the potable water supply.
⭐ The kit includes plastic washer, O-ring, spring, poppet assembly, and spider assembly, making it suitable for repairing most freeze-damaged 720A PVB's, unless the ball valves or body itself is cracked.
⭐ Suitable for 720A pressure vacuum circuit breakers, also known as a backflow preventer, this repair kit provides a reliable solution for maintenance and repair needs.
⭐ Friendly Note: We pay great attention to customer experience, if you find a product problem after purchase, please contact customer service in a timely manner, we will provide you with a solution, thank you!
وصف
Installation steps:
1. Shut power off to the valve
2. Remove the 3 screws from the canopy and set aside
3. Remove the canopy and unscrew the brass bonnet
4. Remove the Disc & Poppet Assembly and washer & old O-Ring
5. Remove the Spring & Spider Assembly
6. Use a cloth to wick up any water and inspect the valve for any damage
7. Install the Spider Valve, Spring, O-Ring, Dis & Poppet Assembly, plastic washer
8. Thread the bonnet and make sure the shaft of the disc & poppet assembly is in the center of the bonnet
9. Hand tighten the bonnet
10. Install the Canopy and the 3 screws. Tighten all 3 once all are in place
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