repair or replace? | Air Sourced Heat Pumps | Plumbers Forums

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Kathy144

Very pleased to be able to get some advice here;
Potterton performa 28 combi, came with house, app. 7 years old. Multiple problems;
PRV leaking 10 litres a day
radiator/tap valvey thing leaking.
expansion vessel full of water.
Air pressure valvey thing closed off because it was obviously leaking.
So now there's hardly any heat to the rads as it keeps shutting off after a minute or so.
Hot water fine.
I intend to live here for the foreseeable future.
Repair or replace, what do you think?

Thank you.
 
if it was my house i would repair it, but then again i know how to. sounds as though your multiple problems could be down to 1 fault. get a few quotes from local gsr engineers and compare
 
You will need to replace the Expansion Vessel, most likely the main problem. Possibly the PRV will still leak a bit and may need to be replaced. The radiator tap valvey thing is only a small job. Rather than replace the Expansion vessel inside the boiler, you can have one fitted on the pipework under the boiler - a lot cheaper.
 
Very pleased to be able to get some advice here;
Potterton performa 28 combi, came with house, app. 7 years old. Multiple problems;
PRV leaking 10 litres a day
radiator/tap valvey thing leaking.
expansion vessel full of water.
Air pressure valvey thing closed off because it was obviously leaking.
So now there's hardly any heat to the rads as it keeps shutting off after a minute or so.
Hot water fine.
I intend to live here for the foreseeable future.
Repair or replace, what do you think?

Thank you.
well worth repairing
 
Thank you to everyone who has responded. Bit of a development: Overnight its packed up completely, I believe the pump has gone, so my question is still repair or replace?
 
to change the pump, prv and expansion vessel will be a lot cheaper than fitting new so really its down to what can you afford for your own piece of mind. what area are you in? also it may not be the pump so get a gsr to check? the fact the expansion vessel has gone could be due to lack of maintenance. Also how many times a day were you filling the system
 
it would need to be looked at really to give you the best answer. If the boiler has generally been fitted correctly and is in good condition then repair is a good option. If the boiler is in a poor condition and has some serious problems/ installation issues then you may want to look at replace.

we can only advise assuming that the boiler has been installed correctly and is in generally good condition apart from the issues you have reported. Asking a local engineer to take a look is probably your best option. Be aware of what your being charged upfront before hand.
 
Hi Michael, I'm in se London. Agree that maintenance will have been an issue, it was put in by someones dad, and not very well.i had stopped topping it up because it was sending the pressure gauge into overdrive, until last night, since when its really given up. Flashy light says pressure or pump, so I dont really know which it is. Pressure gauge is completely flat but there is also a terrible grinding noise which is new.there is quite a lot of evidence of leaks all over the system, I could afford to replace it bit not by BG, ÂŁ4000!
 
you should find a local engineer who could beat the BG price by atleast 35% on average dependant on the quote. you may find a forum member near yourself who could give you a quote or fix the existing boiler.
 
Poorly fitted, poorly maintained, loads wrong with it? I'd replace. Sounds like the kinda boiler you'd fix and then two weeks down the line the rest of it gives up the go.

Thats an online opinion mind you, without seeing it. How long has it been installed for?
 
i would hope it would be a straight swap but couldnt say without looking. If you are expelling water each day and not topping it up then i would be looking at the filling loop and then the heat ex if your problem is the heat ex from what you have said i would replace. Not sure of costs in london but allowing for a few unexpected points depending on choice of boiler you should be looking well under the 2.5k mark. Depending on what needs done you could be looking a lot cheaper than that. I suggest you advertise for a local engineer on here
 
Ahhh isit condensing or non condensing? (is there a white pipe coming from the bottom of the boler?)
 
Ahhh isit condensing or non condensing? (is there a white pipe coming from the bottom of the boler?)
Non condensing. You know, when I bought this place, 5 months ago, there were a few things that I thought, right that's got to go: electric shower, gas fire in living room, how do you think I feel now? So glad I hadn't got round to it yet.
 
Non condensing. You know, when I bought this place, 5 months ago, there were a few things that I thought, right that's got to go: electric shower, gas fire in living room, how do you think I feel now? So glad I hadn't got round to it yet.
Ok so its more 8/9 years old minimum. In my eyes it needs replacing.
 
I am trying to reply to your pm but I keep getting the following message

"The following errors occurred with your submission
Kathy144 has exceeded their stored private messages quota and cannot accept further messages until they clear some space."

Either delete some of your other messages or maybe the mods can help if there is a technical issue?
 
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