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Plumbing

How to Fix a Dripping Outdoor Tap

Quick Answer

Turn off the water, remove the tap handle, unscrew the packing nut, replace the washer and O-ring, and reassemble.

How to troubleshoot a Dripping Outdoor Tap

An outdoor tap dripping is often due to a worn washer or O-ring. This guide shows how to disassemble the tap and replace the internal parts.

Step-by-Step Fix

  1. Turn off the water supply to the outdoor tap.
  2. Remove the handle by unscrewing the top screw.
  3. Use a wrench to unscrew the packing nut and pull out the spindle.
  4. Replace the rubber washer at the end of the spindle.
  5. Replace the O-ring on the spindle stem if it is damaged.
  6. Reassemble the tap, turn the water back on, and test.

Common Error Codes

CodeMeaningResolution
Drip persistsWorn valve seatUse a seat reamer to smooth the valve seat or replace the tap.
Handle turns but no waterFrozen or seized spindleLubricate the spindle with silicone grease.

Frequently Asked Questions

How do I prevent my outdoor tap from freezing?

Turn off the internal isolation valve and open the tap to drain water in winter.

Can I use PTFE tape on the spindle threads?

Use it on pipe threads, not on the spindle; use plumber's grease on the spindle.