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What I don't understand is the fact that the hot water and heating still works when the pressure goes down to 0. Should it not stop working cause there isn't any water according to the boiler/pressure gauge? Any answers?

For there to be a bad leak, which there may be. I cannot see any dampness or physical leaks anywhere. What is the blow off valve or where is it usually at. If there is a leak, is there anything I can put into the heating sytem to stop this. I have tried the radiator in the recent past...

Hi there, I have a Vaillant Turbomax 824/2 E Combi boiler. I have a problem which is, the pressure gauge keeps dropping. Everytime I use the hot water, I believe the water pressure gauge keeps dropping. After using the water for a few days, the pressure gauge drops to 0. I used to...

There is a f.22 code on my vaillant bolier. I noticed the hot water stopped being hot all of a sudden and had a look at the bolier and that was the display it gave me. The radiator seems fine but as I said the hot water stopped working. I rectified this for a few hours by switching the bolier...

how long roughly does it take for your bolier to restart the CH. even though its supposed to be on

Since I posted the original question, I have no more hot water or heating and the green light keeps flashing. There is no demand for anything.

any other suggestions?

oK thanks for that. At the moment, I got it on 26 sometimes 27. Does it make a difference regarding the temperature of the radiators. Also what position should i leave the radiator dial on the actual boiler. I got it on 5 o'clock position at the moment Any suggestions?

I only joined 2 days ago. I am new. seriously I am.

Another quick question. What position does the hot water and radiator dials have to be?? 1 o'clock 2 o'pclock etc?? Also my thermostat, what temperature do you advice I set it, when I turn the heating on?? at the moment it ranges from 24 to 26

824 model.

I have a vaillant turbo max 24e and a wired thermostat which just has TOWERSTAT SP written on the front. When the hot water is switched on, it somehow cuts out the boiler which I shuts down the central heating system. The water when switched on, stays hot for a minute or 2 then goes cold...