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Found the Worcester Bosch info sheet they sent me its titled "FW100 Weather Compensation Controller with the Greenstar I system and CDI system boilers" published 2011 and can be downloaded from...

Was told is possible by WB themselves, will have a look and see if I can find info. Was something like using a WComp controller in boiler and then hanging a S plan plus onto the external roomstat connection but sure I have mail about it.

Read that thread, sounds like weak/slow pump, hot water rises cold falls so hot at top only suggests circulation to slow (eqiv to valves shut almost right down), with circulation to slow any sediment carried in the water will settle out and potentially obstruct flow further. TRVs balance in...

Twas to tempting :wink: As you say cistern outlet sounds to be the location, when flushed water drops into small chamber prior to being channeled around the rim channel of the pan etc etc and away down the pan. Have you checked fill level in cistern as overflow can be via this route...

Clue to fixing method here:- http://tinyurl.com/cgplbms

Had you considered your mobile phone, depends upon type but possible to use calendar, notepad or other things to record on newer iPhone type devices

TRV's regulate the heat input to a room from the rad they are controlling. A stat turns the boiler off when target temp achieved. similar function but there is a significant difference. Sounds like :- - - plumber did half a job, or is that all he was asked to do, and - - your TRV's are...

You don't have to but getting it to work could be very very challenging :roll:

Seems I am and I apologise, seems I overlooked a step in the newbuilds I've been involved with, the step being "choice". As the finisher/builder all we wanted was supply so BG used for new, or existing supplier when applicable. Then the buyer/renter could switch if they wished. Ofgem pages do...

I'm guessing but is it possible that :?: - if the flow through the rads is low (as in shut down to much on lockshield valves) then house will take a time to get to target heat. - during this time the return temp is always low and the boiler simply keeps on burning (subject to its own...

Many thanks, yes me being to focused on the only heating solution (mine) when there are so many available. :oops:

Yes and the MPRN helpline number quoted on that page will give you which carrier to contact for your address to get a meter. I may of course be wrong but that's what I understand.

Surely this is not always the case. On my installation the boiler will trigger the pump to loose excess heat if required, the proviso is that there should be an open circuit to the load that the heat will be lost through. This detail (in my case) is specified in the boiler installation guide...

Thought just a regulator was cheaper :) but you'd have to get a gas-safe man to fit it. !!! :( Don't think the Nat Grid man has to be gas-safe, so might be cheaper :D Blow the options, just get it done proper, you know it makes sense

Highly recommended to fit dummy programmable thermostat in hallway were other-half can play at leisure The more options and display feedback the better :D Fit at low level appx 1 metre as discourages both excessive use and seeking visual feedback when walking past her control unit :mrgreen:

National Grid supply gas meters phone number on page http://www.nationalgrid.com/uk/Gas/About/About+Gas+Meters/

- - OK your both out at work all day might be worth taking a reading as you go to work and when you come back, - - You say what the boiler thermostat and hot water stat are on but nothing about your timer/room stat. - - So is the boiler off or on a reduced temperature during the day...

Considerations:- -- Will a single pipe really do what you want? -- By the time you've bought the bits perhaps a slightly larger capacity radiator that can heat the structure rather than just the air will cost in. -- Are your "heating on" times to short for what your expecting. -- Is it a...

and later Interestinger and interestinger, :) A heat dump and behind a valve and timer that lets it work on its own. Sorry mate but, I think your words are good words its just that they have got jumbled up. :mrgreen:

Possibly a little quicker are electronic sensing TRV's . I quite like the functionality of the Terrier product but there are many to be had. I gather electronic ones are much more consistent which of course is the main issue to many users when most wax-stats seem to be similar but not the...