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D.H Thanks for that. I went on to.....WHOLE HOUSE BOILER SIZE CALCULATOR...one thing , I have a sealed system with Heatrae Sadia Megaflow cylinder, and 13 rads. Is 2000 watts enough for the hot water basic allowance or are there other factors that you have to allow for. Not sure whether...

Thankx Dan for these models but iam restricted slightly on size. The potterton i have was direct out the back of the boiler and i have face brickwork on the outside of the house and i do not won,t to start messing around with that. Some options i have found are........Worcester Greenstar...

Tony , Correct it,s not a 30 something bungalow but a 16 year old 4 bed house needing a new wall mounted sealed system boiler running a megaflow cylinder. Could someone recommend some good boilers wall mounted _________________Somewhere in devon._____________ :lol:

Thanks for reply. The boiler is wall mounted and with the MEGAFLOW CYLINDER upstairs in airing cupboard i have stored hot water for shower etc ........... so i don,t need it in the boiler, what other boilers do you recommend that you don,t get any problems with that are wall mounted and...

HI everyone. Having been on trying to sort out a problem with my boiler which was diagnosed spot on now i have another challenge. I need a new boiler, seeing most of you guys are fitting CENTRAL HEATING quite regularly what boilers would you recomend for a sealed system with a megaflow...

Good afternoon Dan. Yes the copper pipe outside from the boiler is dripping, the heating and hot water is on and if it stays on too long will all the water disappear out of the system through that pipe. If that is the case are you any closer to solving the puzzle. When i switched the boiler...

Correct with the pressure at 0.2 not 2.00. The original reason that I looked at the pressure was the boiler would not fire up and it kept clicking trying to start up. I then noticed that the pressure had dropped. I knew that I had to top it up and did so. This worked to fire it up, but since...

Hi Dan, can you tell me why the boiler keeps losing pressure and dropping just above 0 untill i top it up from the filling loop back to 1.5 bar. Thanks :)

Hi Everyone, I am new to this forum and I need advice from the experts. I have started having slight problems with low pressure on my POTTERTON ULTRA 2. I noticed the boiler was losing pressure so I topped it up and left it overnight (not in use), with no drop in pressure. As soon as I switched...