Hi folks,
hoping to find an answer to my issue with my Worcester 37cdi combi boiler. Boiler is now 10 years old and up to the last few months had never failed us. Now have to admit that boiler has had only 4 services in that time. Out of sight, out of mind, I suppose.
Around a year ago we realised an issue when we heard gurgling from downstairs radiator and when checked boiler noticed that pressure gauge had fallen well into the red. Re- pressurized, bled the rads, and over the space of 4 to 8 weeks noticed a gradual fall in pressure. Had someone come out, checked PRv and all rads for leaks and found none and suggested that likely issue was a leaking pipe somewhere under the floor, likely at the manifold, (all microbore pipework ).
Because our whole downstairs has laminate flooring and also because another engineer had said that unless pipework had been disturbed at some point, it was unlikely to be an issue with the manifold, we put up with re-pressurising as required.
3 weeks ago after boiler kept cutting off, an engineer diagnosed a failed expansion vessel and PRv and replaced with new parts. Problem we thought was fixed however days later we noticed that pressure gauge was at zero and after re-pressurising again noticed that after around 6 hours would fall back to zero. During this time we would have hot water and heating as normal.
Having now convinced ourselves that issue must be leaking pipework under the floor we have been working out the cost of lifting all flooring and having to fix issue and re- laminate.
Situation now is that re-pressurising lasts only 20 min and boiler goes into Ea code. Could this problem be the heat exchanger, either failed or blocked?
Just cannot afford to call out an engineer at this time Jan 2nd and pay huge call out charges, have no option but to wait until holiday period is over.
We did call the engineer who said he would come day after Xmas to have a quick look and tell us for sure if it was the heat exchanger or not but failed to appear.
I did re-pressurise the system and left boiler off completely and pressure continued to fall back to zero.
Any ideas, insight welcome before I call engineer out again in a few days,
Thanks.
hoping to find an answer to my issue with my Worcester 37cdi combi boiler. Boiler is now 10 years old and up to the last few months had never failed us. Now have to admit that boiler has had only 4 services in that time. Out of sight, out of mind, I suppose.
Around a year ago we realised an issue when we heard gurgling from downstairs radiator and when checked boiler noticed that pressure gauge had fallen well into the red. Re- pressurized, bled the rads, and over the space of 4 to 8 weeks noticed a gradual fall in pressure. Had someone come out, checked PRv and all rads for leaks and found none and suggested that likely issue was a leaking pipe somewhere under the floor, likely at the manifold, (all microbore pipework ).
Because our whole downstairs has laminate flooring and also because another engineer had said that unless pipework had been disturbed at some point, it was unlikely to be an issue with the manifold, we put up with re-pressurising as required.
3 weeks ago after boiler kept cutting off, an engineer diagnosed a failed expansion vessel and PRv and replaced with new parts. Problem we thought was fixed however days later we noticed that pressure gauge was at zero and after re-pressurising again noticed that after around 6 hours would fall back to zero. During this time we would have hot water and heating as normal.
Having now convinced ourselves that issue must be leaking pipework under the floor we have been working out the cost of lifting all flooring and having to fix issue and re- laminate.
Situation now is that re-pressurising lasts only 20 min and boiler goes into Ea code. Could this problem be the heat exchanger, either failed or blocked?
Just cannot afford to call out an engineer at this time Jan 2nd and pay huge call out charges, have no option but to wait until holiday period is over.
We did call the engineer who said he would come day after Xmas to have a quick look and tell us for sure if it was the heat exchanger or not but failed to appear.
I did re-pressurise the system and left boiler off completely and pressure continued to fall back to zero.
Any ideas, insight welcome before I call engineer out again in a few days,
Thanks.