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If i change it to 22kw or even 28kw it takes the same amount of time to reach 65c but uses even more gas. The house is gettting hot quite fast. The rads have been properly sized and come to 17kw. To me it seems a lot of gas to use especially that my ave useage for this time last year was 5...

Iv posted before and managed to get my boiler fixed by an engineer after some good advice. I need some more help. If i set my boilers central heating to come on and set the boiler dial at 65c my boiler takes 38mins to reach 65c from cold. Is this right? It also keeps at 65c for over 40 mins...

What would you recommend i put the ch temp at the boiler on i think at the mo its 62c. If thats higher maybe the rads would get hotter and raise the temp above 20c

Yeah sorry d.2. So based on the result and the boiler being 90% effiecent then its running correctly now. So maybe with the lack of heating ie not getting over 21c my new rads are undersized. Do you think that in the long rung im better keeping the 837 at 13kw for heating and put up with the...

the meter is metric and the rating we got for the hw was 0.128 over 2 mins. i meant by the modulating time it burns gas for the first 40 mins then uses the water vapour to keep the heating on for another 20mins before using gas again. i changed this to 30mins rather than the pre set 20 mins so...

i have reduced the hw temp to 40c like you have suggested d_hailsham when we tested it was at 50c but looking at the boiler mans chart over the 2 mins we tested the hw with a bath tap on full it used 3 times the amount it should have. do i need vailent to look at this? obviously i have a boiler...

Thanks for the replys guys iv had the engineer back today to range and like what d-hailsham said my boiler was over kw for the rads. Im now down to 13kw on the boiler and the gae usage over 2 mins went down by half. So will have to see how much of an impact that has on bills and heat of the...

I have 4 double rads 4 single but large ie 600 by 1400 and 2 small rads and towel rad. Total kw of rads 12/13 kw. Not sure of size of flamingo. The guy who installed it recommended 837. Defo no gas leak. Iv just timed how much gas it used to run a bath 5 mins of just hot water resulted in 0.48...

i had an eco tech 837 installed last week and i have noticed that it is eating the gas ie 1.3 units black ones per hour that the heating is on. Also the heating never gets the house warm ie does not go above 19c. my old potterson flamingo cylinder boiler rated f or g got the house really hot...