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Is the existing bell push wired ? If not, it may have been a wireless bell where it is battery operated and the “chime” can be moved around the house without connecting wires.

I take it you have a keypad downstairs as well, make sure the DIP switches are set to different addresses from each other. This applies to the Veritas Excel, not sure what panel you have

Obvious, but have you got a sufficient, continuous fall on the waste pipe

Agree with Terryplumb, Pegler of similar, the cheap ones often leak from the screw

Personally I would have fitted a quality isolating valve (Pegler or similar) to make things easier should it need to be reinstated, with a short length of copper pipe and a stop end, I don’t trust some of the unbranded, cheap ball-o-fix valves. I know it’s a bit “belt & braces” but better safe...

Almost certainly an installer error, Polyplumb fittings are “O” ring first / grab ring second, that means when the pipe is inserted it passes through the “O” ring first before passing through the grab ring. If the pipe isn’t fully inserted it can hold on the “O” ring for some time before...

Compression fittings are fine on plastic pipe, always use an insert (stiffener), best to use a copper olive rather than brass and don’t use any jointing paste

I think Terryplumb meant at the other end of the pipe, not th WM valve.

Did you use an insert in the plastic pipe before tightening up the compression fitting ?

Ideally the 22mm plastic condensate pipe work should be connected internally (soil stack, sink waste pipe etc), if not possible then externally it should be increased to 32mm and insulated to discharge into a gully or suitably constructed soak away. The HHIC states that: ‘When fitting a new or...

Yes, but are they fitted into a bossed pipe or a strap on boss. If a strap on boss it should be installed with gap sealing adhesive to completely seal the strap to the soil pipe.

Need to expose first to find out if they have used “strap on“ bosses or bossed socket’s and see exactly where the leak is coming from.

What he may have actually said was, “they had used standard pipe rather than barrier pipe”. Barrier pipe prevents oxygen ingress into the system much better than standard wall pipe, probably the existing system wasn’t flushed properly and the correct dosage of inhibitor wasn’t added. Ive seen...

Agreed, if you’re not familiar with EOL, Global tamper is much easier to understand. If you are only using one zone then that’s pretty straightforward, if you need to link more tampers together I normally use 2 way BT style gel connectors.

Miscellaneous Options 3. Depending on which method you’ve used.

Are the unused zones just linked out or have you put a 10K resistor across the zone terminals as required when EOL is programmed.

My daughter had a Glowworm Ultimate 50 and I managed to keep it going for her over the last 5 years, 2 refurbished PCB, ignition electrode, air pressure switch plus a number of other components external to the boiler. It had been in since the house was built around 20 years ago and was one...

Used the Adey Atom where space was tight, No problems so far.

Never used one but looks like it could be your answer. Depends where you can fit it, ideally before your main isolation valve, then you can remove it, otherwise after and leave the existing one in place and (hopefully) fully open.

Good advice from “oldbutnotdead” regarding tackling the main isolation valve but be aware that unless it’s been altered, there’s a good chance that the incoming main could be lead with the original isolation valve “sweated” onto the lead pipe. Best to strip out and expose what’s what, you may...