Recent: Safely remove screen protector from a Macbook Air?

Mend > Home Heating Systems

Mend Boiler Heating Systems System Pressure

Why is my water pressure gauge rising?

water pressure gauge keeps rising to 3/4 bar
ive drained some of the water out & it drops
but after boilers been on for 2+hours pressure starts to rise againe

Nod
March 2009
Heating, Home Heating SystemsBoiler Heating Systems System Pressure
Expansion vessel usually on the back of the boiler, if u look down the back of the boiler from the top by flue you should see a valve the same as a car tyre valve, press it if water comes out it needs replaceing or if air it may need the air re-pressureising

STE
March 2009
Quote "Why is my water pressure gauge rising?

water pressure gauge keeps rising to 3/4 bar
ive drained some of the water out & it drops
but after boilers been on for 2+hours pressure starts to rise again"

Same problem for me, hope sombody can answer this..

Danny
March 2009

Automatic Answer

We may have found other answers which could help you.

Click here for Boiler Heating Systems System Pressure

Related Questions ...

Mend boiler heating system failure
2

Is my boiler a write off?

My 8 year old Baxi 105he appears to have a crossover between the hot water and heating system. When the heatin... [Read more]
Mend boiler heating vokera

how can I fix my vokera compact HE35?

when I switch on green led appears, boiler will not ignite after a period of time red led will come on. If you... [Read more]
Mend combi boiler central heating boiler issues

how can I increase the pressure on my HE924.BSN?

I have a Worcester heat systems 9.24 Electronic combi boiler Product Code HE 924.BSN. The pressure keeps fall... [Read more]
Mend boiler pressure heating
2

Worcester 350 Combi boiler pressure fluctuations?

When my boiler is supplying the central heating and you draw hot water the pressure jumps up by about 0.5bar a... [Read more]
Mend Worcester Combi Ignition

Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Mend Heating, Home Heating Systems

How to fix my fireplace?
Mend thermostat heating siemens

Siemens RDJ10RF thermostat problem?
Mend boiler thermostat replacement

Oil fired boiler thermostat?
Mend radiator thermostat heating

One radiator in a bedroom is always cold?
Mend boiler heating lockout

Greenstar 24Ri boiler, fast flashing - can I reset?
Mend boiler heating systems

Remove boiler cover?
Mend heating radiators boiler

Worcester boiler dripping water?
Mend Heating, Home Heating Systems

How do i stop the time from flashing on the Siemens RDJ100RF?
Mend vaillant ecotec boiler

Vaillant ecotec 831 plus?
Mend heating boiler Worcester Bosch

Boiler cycle?
Mend Heating, Home Heating Systems

Remove cover off gas boiler?

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.
Mend Home Heating Systems ...

Related Categories

Mend Convector Heaters
Convector Heaters
Mend Fan Heaters
Fan Heaters
Mend Oil Filled Radiators
Oil Filled Radiators

Topic

Rising Boiler Pressure - Causes & Fixes