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Hi RickI have a baxi duo tec 40 he combi boiler and it
Hi Rick I have a baxi duo tec 40 he combi boiler and it losing pressure everyday or 8 hrs approx, I have replaced the expansion vessel which has solved the pressure rising towards the red 3 bar but is… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,022 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
Baxi 100he plus combi. System losing pressure. How do I check
Baxi 100he plus combi. System losing pressure. How do I check the expansion vessel? Regards Mike… read more
Brian
Brian
Plumber
596 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
4,022 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 - we have a Ferroli Optimax HE 18S and keep getting an error
Hi - we have a Ferroli Optimax HE 18S and keep getting an error message (F37) and now need to top up the pressure most days to 1.5bar - boiler operates at 2.7 bar when heating on. We've had the expans… read more
Brian
Brian
Plumber
596 satisfied customers
i have a modena 80 e the system water pressure keeps dropping
i have a modena 80 e the system water pressure keeps dropping off when i top it up and run the system the system pressure goes up to safety lift 3 bar through the overflow i have set the expansion ves… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,022 satisfied customers
With a Watts industries pressure vessel in the system and the
With a Watts industries pressure vessel in the system and the only pressure gauge that can be seen (just above it) reading zero, does this mean the vessel should be charged to 4 bar iaw the label on t… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a Keston system central heating boiler (i.e. with
I have a Keston 'system' central heating boiler (i.e. with expansion vessel?. What psi or bar should the expansion vessel be pre-charged to?… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,022 satisfied customers
I have a megaflow system installed and just recently when the
I have a megaflow system installed and just recently when the heating/hot water comes on in the mornings there is alot of noise and gurgling water running throughout the house, especially in some of t… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,022 satisfied customers
worcester combi 17/19 poblem with water presure topped up water
worcester combi 17/19 poblem with water presure topped up water to 1 bar within 10 min i could see my gauge building pressure i then released the pressure back down to 1 bar i thaught my valve must be… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,022 satisfied customers
i have vokera unica boiler when i open the filling loop and
i have vokera unica boiler when i open the filling loop and raise pressure to 1.5 bar the pressure falls down again to 0.8 bar (this takes approx 15 mins) then stops at 0.8 bar you can do this many ti… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,022 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
4,022 satisfied customers
1. Unvented System 2. Keston 130 Boiler 3. Zilmet Expansion
1. Unvented System 2. Keston 130 Boiler 3. Zilmet Expansion Vessel New been replaced 4. Megaflo 6 Serviced Bubble replaced 5 . I set Pressure to 1.5 Bar on expansion vessel 6.Boiler ignites heating Ho… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,022 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
4,022 satisfied customers
keston boiler c40 Sealed system. Stopped the boiler to replace
keston boiler c40: Sealed system. Stopped the boiler to replace faulty thermistor. Restarted the boiler. Works fine. However I notice that the water pressure gauge(mounted near the expension vesse) ha… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,022 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 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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