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I have a worcester junior 28i combi boiler fault its on the
I have a worcester junior 28i combi boiler fault its on the DWH its seem to be over pressuring when it on been tol the heat exchanger is faulty have you any thoughts on this Thanks… read more
Brian
Brian
Plumber
596 satisfied customers
Hi Andrew I have an ariston microgenius 31 boiler hot water is perfect but when i turn
Hi Andrew I have an ariston microgenius 31 boiler hot water is perfect but when i turn the central heating on the gauge slowly rises from 1 bar to over 3 bar then i paniced so then i turn the cetral h… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,025 satisfied customers
Hi the pressure on my vaillant pro 24 boiler increases to over
Hi the pressure on my vaillant pro 24 boiler increases to over 2 bar very quickly every time i turn the central heating on. Can I lower the pressure?… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,025 satisfied customers
Hi. Have an Alpha SY9-24 System Boiler with an expansion vessel.
Hi. Have an Alpha SY9-24 System Boiler with an expansion vessel. When cold, boiler pressure stays in the green zone (as per guage markings). However when boiler is running pressure increases significa… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a Biasi Riva M96A.28SM?c Boiler it Keeps loosing pressure
I have a Biasi Riva M96A.28SM?c Boiler it Keeps loosing pressure and needs recharging to bring on central heating. it seem to drop pressure after burner shuts off having reached temperature. Have also… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,025 satisfied customers
Combi Boiler. When cold, expansion vessel pressure 1.5 bars.
Combi Boiler. When cold, expansion vessel pressure 1.5 bars. Water pressure 1.5 Bars. When central heating on, water pressure rises to 3 bars and water is expelled from relief valve. Expansion vessel … read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,025 satisfied customers
I have a Worcester Bosch 28cdi. I recently noticed a continual
I have a Worcester Bosch 28cdi. I recently noticed a continual dripping out side from the overflow. A friend said possibly the expansion vessel was shot. I checked this and indeed it was. I replaced t… read more
Brian
Brian
Plumber
596 satisfied customers
hi I have a ferroli modena 80e no water leaks, pressure vessel
hi I have a ferroli modena 80e no water leaks, pressure vessel charged to 0.8 bar. When central heating runs pressure rises to 3 bar+ overflow pipe drips then when a rest pressure drops in boiler have… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a worcester bosch greenstar junior 24/28i and come home
I have a worcester bosch greenstar junior 24/28i and come home to find the reset button flashing and the blue light flashing once every 2 seconds - the red one flashes twice to eacj blue. I've checked… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
WORCESTER BOSCH 28I JUNIOR red light flashing sometimes heating
WORCESTER BOSCH 28I JUNIOR red light flashing sometimes heating working sometimes hot water pressure guage going upto 3 bar quickly when heating on then red light flashing then boiler will not fire up… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,025 satisfied customers
My Ravenheat CSI 85 T is not reaching maximum heat output before
My Ravenheat CSI 85 T is not reaching maximum heat output before the system pressure blows the relief valve at 2.5 bar. I suspect some kind of problem in the expansion vessel is the cause. If this is … read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
i have a bosch worcester 28i juunior combi boiler. we frequently
i have a bosch worcester 28i juunior combi boiler. we frequently have a low pressure problebm, will drop to zero, which we correct by turning repressure valve. In current cold weather boiler is on mor… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,025 satisfied customers
did as you advised and got pressure down to 1.5 bar but as
did as you advised and got pressure down to 1.5 bar but as soon as i put heating on pressure shoots up to 4.0 bars,how can i deal with us ,short of bleeding radiators several ntimes a day?… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a Linea24 boiler in a park home, which is 8 years old.
I have a Linea24 boiler in a park home, which is 8 years old. Serial No: XXXXXXXXXXX Is there a pressure release valve on this unit, as I have to bring it down to around 1.5. With the central heating … read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
Hi, I have a Worcester Bosch Greenstar 25SI combi boiler.
Hi, I have a Worcester Bosch Greenstar 25SI combi boiler. The pressure guage shows 0 bar and then rises to 2 bar when the Central heating is switched on - is this normal? Jim Lanyon… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,025 satisfied customers
I have a worcester bosch 28cdi RSF boiler. I pressurise the
I have a worcester bosch 28cdi RSF boiler. I pressurise the system to 0.8 bar and when I run the system the pressure increases to such an extent that the water is forced out of the pressure relief val… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
i have a worcester 28i junior (not condensing)pre 2005. worked
i have a worcester 28i junior (not condensing)pre 2005. worked perfect for 7 years but now when heating is on, pressure increases to 3.5 bar + and prv dumps water any help please?… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a Worcester Combi Boiler and have removed two radiators
I have a Worcester Combi Boiler and have removed two radiators for decorating the lounge. The boiler is in use without these two radiatros at present and is working within pressure limits. What is the… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
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