Recent: How do i deactivate siren on lp1-4000?

Mend Vaillant Thermocapact Home Heating Systems

Mend Heating, Home Heating Systems
Find out how to mend it for free.
Ask Question
Mend Heating, Home Heating Systems
Click here to mend Vaillant Thermocapact home heating systems

Mend home heating systems ...

Mend Heating, Home Heating Systems
Recent

Flamerite Isis Fire?

i need a new mother board for my flamerite isis fire do you know where i can purchase one
Mend 30 boiler fire flashing
2

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]
Mend boiler heating lockout
1

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

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]
Mend boiler thermostat replacement
1

Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
Mend Heating, Home Heating Systems

Siemens transmitter error?

Rdj10rf stuck on start screen after putting in new batteries
Mend Home Heating Systems

Mend > Home Heating Systems

Mend Vaillant Thermocapact Reduce Boiler Red

How do i reduce the pressure on the Vaillant boiler?

I have a Thermocapact Vaillant Boiler and when it is running the pressure is at 3bar (on the red mark).

i need to know how to reduce the pressure.

Kulwant Gill
January 2010
VaillantVaillant ThermocapactHeating, Home Heating SystemsReduce Boiler Red
What is the pressure when the system is cold?
Needs to be just over 1bar. The safest way to drop pressure is to open a radiator vent untill you get to the correct cold setting.

RR
January 2010

Automatic Answer

We may have found other answers which could help you.

Click here for Reduce Boiler Red
Mend Heating, Home Heating Systems
Click here to mend Vaillant Thermocapact home heating systems
Mend 828e hot water

Vaillant 828E - no hot water?
Mend vaillant ecotec boiler

Vaillant ecotec 831 plus?
Mend vaillant off 5

Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?
Mend vaillant central problem

Vaillant vcw gb242 eh central heating problem?
Mend vaillant f22 fault

Vaillant F22 fault?
Mend vaillant boiler pcb

Vaillant eco plus 531 boiler?
Mend bottom heating working

how to fix water pressure its down at bottom of grey part?
Mend problem pressure combi boiler

Problem with the pressure in combi boiler?
Mend eco tec boiler

how do I rectify the fault as detailed below?
Mend max boiler fault

Vailliant turbo max plus 824e?
Mend advice test turned

Advice?
Mend boiler working fire

Vaillant condensing boiler ecoTEC plus?

Other models...

Vaillant 242 EVaillant ecotec 466Vaillant ecotec 618 R1Vaillant mynute 20-70Vaillant Turbomax 242eVaillant VCW GB 221 HVaillant VP5-ZEVaillant vp5-ze 15Vaillant VU 242 EWVaillant VUW 282 EVaillant VUW GB 242-5Vaillant VUWB242E

How to mend ...

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

Related Categories

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

Mend Heating, Home Heating Systems
Click here to mend Vaillant Thermocapact home heating systems