I'm a very keen DIYer - and when I had to replace an unvented hot water cylinder I actually paid a "professional plumber" company to install everything.
However, I wasn't actually happy with them (they deliberately made it a full days work and were very very very slow on basics. LOADS of visits to van for 20 mins....). They installed the cylinder and didn't really test the temperature/pressure relief valve in detail as they never went out the back where the outlet was.... Also - they left the tank temp on max (meaning it was reliant on the boiler stat which failed last year - oh joy!)
That was 3 years ago.
Last night, the TPR valve failed and, as designed, water came out, into the tundish, and then over the floor through the ceiling, down the walls.......
When you check the install - the first bend under the tundish is too close (as per the documented minimum in the manual) and the pipe isn't perfectly vertical. Anyway - we probably dumped the entire tank (at least once!) - and fortunately most escaped down the overflow (not all).
The TPR valve is faulty - leaks on cold water and under no pressure.
ALAS - thats the history - if only we knew a good guy locally :)
So may I ask some questions?
1 - Do I have any comeback on the plumber - or am I likely to be told its tough luck; out of guarentee period; no proof; no "professional service"? (I'm not expecting any!)
2 - Do TPR valves fail normally? Should they be replaced regularly?
3 - Where can I get TPR valves from? Its a reliance valve. TPR15. 95mm probe. 7 bar. 90-95'C DN15-DR - 15mm outlet, 1/2" male inlet. Google hasn't found any supplier
4 - The tank is an Ariston contract cylinder and has ProTech anti- corrosion system a "magnesium anti-corossion anode". It has a red error light on - assume annode is duff and may need replacing - though the troubleshooting guide suggests the PCB is duff. Any thoughts? Where can I get one from, and is it simply a case of unscrewing the old anode and putting in new?
Alas - any help welcome.
Alas #2 - guess I'm decorating over the bank holiday!