You should have got a heating engineer not a plumber, who could have done the wiring as well.
The valve is normally cold when not in use, but...
Then how did you fit it to the system.?
The thermecouple needs replacing, have the boiler serviced by a local engineer, needs some TLC. Will not cost a great amount.
If you supply an email in your profile and you are an RGI, I will send you one, if your inbox will accept it.
Otherwise you can get one here...
You have an airlock in the hot water circuit.
Worst case secanario.... Gas
50mm from either side
min 760 directly above
unless manufacturers instructions specify different.
You can download manuals from Here.
Find the better one here: http://www.vipergas.co.uk/index.asp
No, it will not cause any harm.
Yes, one of these, an ofset pan connecter. http://www.screwfix.com/sfd/i/cat/02/p1062302_l.jpg
What you think Agile is irrelevant, as it is plainly obvious you have not a clue about fitting a bathroom professionally.
Twenty litres per minute flow for the unvented, the combi should not reduce the mains pressure, may need to have a new mains supply or at leasted...
Add an unvented cylinder for your hot water needs, have the combi just feeding the kitchen taps, the extra rads will not be a problem for the...
Its more a case of if you want the system or not, the pumps are generally timed for the periods of bathing or hot water usage, the system can...
Turning the water off and on will not affect the system pressure, bleeding radiators will lower pressure as will a leak on either your system or...
Its your choice really, if you can find a muppet to do it that way.
Save yourself some more and just do it yourself.
Look for the filling loop, normally silver braid pipe, with a lever or screwdriver slot at one end, top up pressure to 1.2 bar.
BG will also give you a loyalty bonus of £150 and pay you £150 for your old boiler and you will still pay a £1000.00 more than the norm.
No, he did'nt you did.
6/7lb 1/2inch, 9lb 3/4.
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