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Heat loss bloke was not recommended I found him. Last thing i wanted was under sized rads. I can send him your way if you wish?

They can't come loose over the years by themselves. As stated some of the copper was discoloured, I did post one wire that was silver at the programmer. The wago connectors (or anything similar) is the way forward. Ideal Connectors are better but ideal don't make a junction box, bit daft...

Exactly my point when 6 week course heros go on yet don't read what I wrote. I stated if the staff could recommend someone to fit, not recommend a boiler. Most merchants have a variety of boilers not just a few. So they won't recommend any particular one because they're in bed with that...

If copper isn't clean then there will be poor conductivity or if there are other metallic objects in close proximity they could cause a short circuit too.

Hi John, Thanks for your time and tenacity on this thread. The issue appears to have resolved after I checked each wire. Some wires had discolouration on the copper so I stripped fresh copper, and replaced the wiring centre with a Wago one which is much easier and ensures every wire is solid...

From my recent experience, check the wires - take them out of the connector blocks etc and check the copper is clean and that there is sleeving on all wires

Spot on advice. I would recommend speaking to a plumbers merchant and asking them who'd they'd recommend that can fit a boiler. I did this 15 years ago and my guy was good at diagnosis, wiring and installation. He advised at the time to get a Vaillant or Worcester as they were the Rolls Royce...

The glow worms heated a house up properly, these modern boilers dont. If you haven't experienced the glow worm era and just are one of those heros that completed a 6 week gas course then you wouldn't understand as you're all about profit and "recommending new boilers (a combi as the wiring is...

They still are a farce because like I said several factors aren't taking into consideration. All this energy efficiency crap is part of the going green climate change nonsense to make corporations rich. Boilers nowadays are hard to fix because the gas guys are poor at fault finding. They...

Sorry but this whole heat loss calculation hoo haa is nothing but another farce in the modern day era. I had one clown come out, do a heat loss calculation and did not give a monkeys about what's above the rooms (type of insulation, flat roof etc) or cavity or solid brick etc etc and all he was...

Main Eco Compact 30 combi with 5 year warranty Main is Baxi Fitted in Dec 2021, and they came out twice once in April 2022 and once about 6 months later.

Baxi / Main have a pretty decent warranty service - they come out quickly, with lots of appointments available and the engineer does carry some good stock in his van. So you won't be waiting for him to come back another day. This is from my experience. Had a issue twice in one year, a pump was...

Possibly. Usually it's these flimsy ones, which are selling for £40+ !!

Does anyone know if the connectors / plugs can be bought separately? The screws in these things are easily rounded.

I've closed it

The 221 connectors are difficult to stick in probes. The ideal Connectors are better but they don't come in a similar wiring centre box. It would be a case of leaving them in a enclosure

Open vented. The red gate valve is open, I will have to check where it goes. If this is open I assume there will be less hot water being pushed for heating and hot water.

After the pump but before the 3 port valve. Do these only have a quarter turn to open and shut?

The burner trip seems to be common on vaillants. I have same issue. A vaillant specialist said this is normal apparently.

Yes was fine all week. Grundfos ups3