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The water pressure dial is reading 4, there is water dripping from the overflow, but now boiler fires up, sounds like it is lighting but then dies off, any suggestions, it is an ideal response 80.

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There should be around 15-20 lbs of water pressure if the over flow is leaking check the expanson tank. if not enough water going out on high temp. Also check the auto fill/ manuel fill

Posted on Aug 28, 2010

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Posted on Jan 02, 2017

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Hi the pressure in boiler is very high and dripping out side its not the water valve intake been told its the heater exchanger


There should be a water pressure reducing valve in the make up water line. This valve or regulator should keep the boiler pressure at about 10- 12 pounds. It sounds like that valve is letting more pressure to the boiler than it should. There is also an expansion tank that works to keep the boiler pressure at 10 pounds. The rubber seal inside can go bad and the tank will fill with water.

Feb 27, 2015 | Water Water Heaters

1 Answer

Pressure gauge reading zero


Hello Mark
First of all turn on a hot water tap and keep it running whilst you check to see if your boiler is firing up, if it is not then try to restart it, you should hear the flame if its running, turn your tap off then just stand by the boiler for a few minutes to see if the pressure gauge starts to rise, if it doesn't rise you will never get any hot water, you will have to add some pressure to about 1 and a half on the dial, to do that is simply turn on the water valve in the bottom of your boiler and watch your pressure gauge rise to about 1 and a half then firmly turn it off again, it looks like a small tap like the one at the back of your washing machine pipe, it's ok you will hear the water rushing in, now with your gauge at about 1 and a half and your boiler running your water will get hot

Oct 23, 2012 | Water Heaters

1 Answer

Boiler losing pressure and overflow pipe dripping water


replace that leaking safety valve first

May 12, 2017 | Water Heaters

1 Answer

Have a ecotec 824 plus boiler the bar goes upto 2.7 and stays round 1.5 when not operating,what is causing this?


Sounds to me like the expansion vessel is not working correctly. When the boiler is on the water gets hot and expands into the expansion vessel but if the vessel is not working the pressure will rise and will eventually escape through the pressure relief valve.

Feb 18, 2012 | Computers & Internet

1 Answer

I have a baxi 130he which loses pressure and I have to top up once a day. The copper pipe outside which I believe is an overflow is constantly dripping. Boiler runs fine central heating and hot water.


Hi the pipe out side is the pressure relief valve change the valve or it has something stuck on the seating , changing it will stop the pressure drop

Mar 03, 2010 | Heating & Cooling

1 Answer

I have a Glowworm 30 cxi and the light is flashing, the pressure is 0.4.... i have no water or heating...help please


Under the boiler a little right of center there is a blue/other colour knob. Turn this anticlockwise [as you look up] [twist from right to left] This is the mains inlet tap to let water into the boiler and create the pressure shown on the guage 0.5 bar is the absolute nin.
allow the water to flow in until the guage reads about 1 bar then turn off the knob -not too tight as these are plastic
If you allow too much pressure- do not worry, there is an automatic relief valve.
If the boiler persists in loosing pressure, look for a leak in all pipes to & from radiators. If no leak then check the pressure relief valve outlet pipe, it usually goes through the wall to the outside. Look at the end for water drips & if there are drips replace valve

Oct 12, 2009 | Water Heaters

1 Answer

I have a VOKERA 24 boiler the Linea range which was working fine until i notes the pressure was a little under 1.5 Barr. I topped it up the pressure with the filling loop every thing was fine. The next day...


Water logged expansion tank ( ruptured diaphram in tank) or wrong size tank. This caused the excessive pressure in the system causing the relief valve to open. Also, air in the system causing flow to stop, Both conditions will cause boiler go out on safety.

Sep 13, 2009 | Water Heaters

1 Answer

Livia 90 - Power on no pressure


When you say no pressure do you mean steam pressure or water pressure?
If it is steam pressure the machine is not heating up, then the elements could be damaged, disconnect the machine from power open top 4 screws on the top panel, you will see the boiler and element(middle of the boiler with 1 wire on each of the terminals) disconnect both of the terminals and check for resistance between the terminals, if you get a reading then the element is fine.

The bottom level sensor is not reading the water level and told the machine to not heat(stainless steel probe sits on top of the boiler there are 2 of them one checks the min water level and other checks the max water level, disconnect one of them and using ohms meter check reading from the stainless steel level to the top of the boiler, if there is a reading connect and then check the other one using the same method. If there is no reading on any one of those they might be covered with scale buildup or there is no water in boiler.

The machine cannot read the water reservoir(screw with ground connection on water tank).

There is also the Pressure stat(black box which sits on top front right of the machine with 2 electrical wires going to it), remove wires and check with ohms meter.

Mar 27, 2009 | Pasquini Livia 90 Espresso Machine

1 Answer

Very Hot water coming out of overflow pipe


Is your boiler heating your domestic hot water if so i would turn water off to water maker and see if your boiler pressure stays down below 20 psi. If so water maker is bad. The other thing that could cause this problem would be the boiler pump is out.

Jan 22, 2009 | Protech Systems FasNSeal FSWMKE4 4" Vent...

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