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Now that would be nothing short of clumsy. :lol:

I have one in my hand right now. The bit you call part number 2 is joined to the grey bit which you call part number 1. They are not two separate parts.They move together. The grey bit is the bit you tighten down which is why it has the indentations.

Correct! Incorrect! You obviously haven't fitted one recently enough to remember.

LOL! IT'S THE GREY BIT THAT UNSCREWS.

Wrong that I'm afraid. The white part doesn't turn!

Nothing snide about my comments- but there is no large chromed nut at the base of the head! I know this as I have fitted hundreds of 'em . Perhaps it is you who are jumping to conclusions.

Fitted dozens of the Worcesters-not had a call back to one of 'em. Got one myself too. system version though.

First off,that is a pretty new Danfoss Ras C2 trv so I would be v.surprised if it's stuck down. The fact that there's no air/water? at the the bleed screw suggests your system pressure is low. If the rad was full of water the fact that the trv was stuck down wouldn't affect things anyway so long...

reasons not to like it : 1) 10mm microbore pipe and fittings can work out dearer than 15mm. No money to be saved at all in my experience. 2) if you bring it straight up from the floor to the rad valves it is more susceptible to hoover damage and doesn't look as neat as 15mm tubing. 3) It...

Sounds like your system is sludged up so needs a powerflush or a thorough chemical clean. You don't HAVE to have British Gas do the work or have them fit a new boiler. You could get a local independent installer do the cleaning and/or the new boiler installation and save yourself a lot of...

The pipes knocking will most likely be the noise they make when they expand against adjacent joists/floorboards if they are tight up against them. You can get the boards up and put some hairfelt lagging between them to stop it.It's not affecting the operation of your heating though. The...

The following seems to shed some light on things. Look under: 'Minimum gas operating pressure for Greenstar boilers' http://www.worcester-bosch.co.uk/installer/training/technical-training-bulletins

It will say in your installation/user manual what the service should involve. But a service these days often involves the use of a flue gas analyser on the test point and not much else.

You need to identify the heating circs from the cylinder circs. Cylinder circs will obviously be redundant when new boiler goes in.Heating circs will need capping inside boxing -in next to chimney breast-watch out for vent pipe too. Just hope nothing tees off the cylinder circs,anywhere you...

I know someone who has been on the Worcester training day for installers and he reckons they will now let you 'get away' with 16mbar on their boilers though there is nothing in writing to confirm this obviously. In this time of 42kw combis it is time the gas suppliers recognised the changing...

Advice is hard to give without you answering the last question.

I don't agree with this as a general rule. Presume you mean 'in this particular example'. to the OP- what efforts did the installer make to try and improve the inlet pressure at the boiler? Did he 'play' with the meter governor? Did he in fact do ANYTHING?

If your other half doesn't know how to drain down and remake some pipework with confidence it would be madness to do this job this weekend. Have you seen the temperature outside?

You will have to repipe the valves or you might be lucky and be able to move the radiator slightly along on its brackets so that pipe and trv line up.

Eh? Have you seen the job or something? No, I thought not. so stop being a drama queen.