How to Fix a Leaking Radiator Valve
Quick Answer
Tighten the gland nut, repack the valve, or replace the valve.
How to troubleshoot a Leaking Radiator Valve
A leaking radiator valve can cause water damage. This guide covers fixing a leaking radiator valve.
Step-by-Step Fix
- Turn off the heating and let the radiator cool.
- Tighten the gland nut on the valve slightly.
- If it still leaks, repack the gland with PTFE tape.
- If the valve is damaged, replace it.
- Turn the heating back on and test.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Valve leaks from spindle | Gland seal worn | Tighten or repack the gland. |
| Valve does not shut off | Valve seized | Replace the valve. |
Frequently Asked Questions
Can I replace a radiator valve myself?
Yes, but drain the system first.
What is a thermostatic radiator valve?
A valve that controls the temperature of a room.