Reassemble and Test Valve
4:05
7:26
117.8K views
At 4:05 in
Water Hammer In Shower Pipes!...I Tried This First
What happens here
Reinstall the bonnet nut over the new cartridge and hand-tighten it. Then use the pliers to give it a final snug turn, but do not overtighten. Open the individual shut-off valves on the valve body to restore water flow. Turn the faucet handle to test for leaks and to ensure the hot and cold water mix correctly. The video shows the plumber testing the pressure balancing feature by shutting off the cold supply while the hot is running to ensure the flow reduces, which is a key safety feature.
Goal: Plumbing Fixture Repair (Leaking)
Tools and materials
- Channel-lock pliers Knipex — Tightening the bonnet nut
- Screwdriver — Opening the shut-off valves on the valve body
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What they say
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