How to Repair a Pressure-Assisted Toilet

with Plumbing and heating expert Richard Trethewey, This Old House television

Shopping List

Supplies You Will Need

1. Replacement pressure regulator

2. Canvas drop cloth,
for protecting floor

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Tools List
Tools You Will Need
- Adjustable wrench
  used to loosen water-supply connection
- Large-capacity pliers
- Utility knife
- Screwdriver
  used to tighten hose clamp
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In this video, This Old House plumbing and heating expert Richard Trethewey explains how to repair a pressure-assisted toilet.

Steps:

1. Turn off water to toilet by closing the shut-off valve.
2. Flush the toilet to empty tank.
3. Disconnect water-supply line from toilet.
4. Unbolt tank and lift it off toilet.
5. Use pliers to take off spud nut from bottom of tank.
6. Unscrew nut holding fill tube to bottom of tank.
7. Slide the pressure-assist unit out of the tank.
8. Use a utility knife to cut off the defective pressure regulator.
9. Install new pressure regulator and attach with stainless steel hose clamp.
10. Reinstall the pressure-assist unit and bolt on the toilet tank.
11. Turn on water and flush toilet to test new regulator.
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