How to mend ... Valve System Bar

potterton 80 heating system?

i have a potterton 80 heating system when the heating is on the pressure gauge always goes into the red 3-4 ba... [Read more]

Dropping Of Pressure Worcester 240?

Hi Had one engineer out already, for the last 3 months my Pressure Bar on my Boiler has fallen below 1 bar, i... [Read more]

Over-pressurised combi boiler system - help!?

Trying to re-pressurise my Sime Super 90 Plus, I opened filling loop valve and let water in to 1 bar pressure.... [Read more]

Vokera Linea 726 - Pressure relief valve vs re-pressurise?

Hi. I have a Vokera Linea 726 which drips constantly to the outside but much moreso when the central heating i... [Read more]

low water pressure in worcester bosch combi boiler?

i keep having to add water via loop to my w-b 350 combi boiler with increasing frequency. the pressure falls ... [Read more]

Sime super 120 de luxe - high pressure problem?

Hi, I have read a few similar questions on this site, so appologies if this is not new, but here we go.. Th... [Read more]

Help!! Big problem with my Ariston Euro Combi?

Hi I recentley reparied i leak to my central heating system and after i had drained it down, repaired the ... [Read more]

prisma combi?

i put a question in recently asking do i drain the system until i have no pressure showing on the clock gauge ... [Read more]

vaillant combi no hot tap water?

I have a Vaillant combi boiler TURBO MAX PRO 24E only two years old and have had problems getting hot water to... [Read more]

Ariston 27 RFFI boiler - pressure drop?

I need to fill up the boiler every 2 days when it drops from 1.5 bar to zero. The pressure relieve valve has b... [Read more]

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]

Can I still use my Vokera Compact Combi Boiler with the pressure at 4 bar?

My wife accidentally released the water inlet valve and the pressure has risen to almost 4 bar - firstly how c... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

How can I Fix My Ravenheat 820/20 boiler?

My ravenheat 820/20 boiler is supplying hot water but no CH. After a basic fault finding mission I discovered ... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

loss of pressure?

ihave a netaheat gas boiler--------the pressure release valve returns to zero when i switch off and i have to ... [Read more]

How can i change the valve in my Vokera Excell 80SP combi-boiler?

I have a Vokera Excell 80SP combi-boiler in my house. We have it serviced every 6months and about the time we ... [Read more]

baxi combi instant 105e?

i have recently turned my heating on for the winter it worked initially then stopped on low pressure found pre... [Read more]

Vaillant Vuw242/282 Pressure drops to 0 when cold ?

Hi , I have a vaillant boiler, the pressure drops to zero when the system is cold. As far as im aware the pr... [Read more]

How can I stop my Potterton 80e from losing water and pressure?

My 80e loses pressure as soon as the central heating is run, have fitted a new pressure rlief valve. Pressure ... [Read more]