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    RAVENHEAT CSI 85 COMBI BOILER, PRESSURE KEEPS DROPPING?

    I found the valve for the pressure vessel, (just like car tyre valve) but when I pressed on it there was high air pressure but no sign of any water. Last two nights pressure hasnt dropped, Im now wondeing if it could be a board as there is so much intermitent mucking around.
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    RAVENHEAT CSI 85 COMBI BOILER, PRESSURE KEEPS DROPPING?

    Its around 2- 2.5 bar when its been operating for a while.
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    RAVENHEAT CSI 85 COMBI BOILER, PRESSURE KEEPS DROPPING?

    If pressure is dropping that indicates a leak. Have a look at the pressure relief pipe that terminates (usually) outside. If it is dripping it could be the pressure relief valve letting by Just changed one of those on a Ravenheat boiler. I had a look last night with the boiler running but...
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    RAVENHEAT CSI 85 COMBI BOILER, PRESSURE KEEPS DROPPING?

    O.k. thanks, lps supplies.com have a CSI 85 Safety Relief Valve for £9.93 it looks like the right one ill check the part no. thx Wayne
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    RAVENHEAT CSI 85 COMBI BOILER, PRESSURE KEEPS DROPPING?

    I think thats the part that was undone a few weeks ago to replace the diverter valve. Its got a red plastic front with a allen key hole on the side and bleed nut underneath. I wonder if the guy who changed the diverter valve has left this open, ill check and if its shut ill drain the system...
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    RAVENHEAT CSI 85 COMBI BOILER, PRESSURE KEEPS DROPPING?

    If pressure is dropping that indicates a leak. Have a look at the pressure relief pipe that terminates (usually) outside. If it is dripping it could be the pressure relief valve letting by Just changed one of those on a Ravenheat boiler. R that sound like it! I did not notice any leaks...
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    RAVENHEAT CSI 85 COMBI BOILER, PRESSURE KEEPS DROPPING?

    Hello all, I have recently had lots of trouble with my Ravenheat boiler, recently changed the diverter valve then worked fine for a couple of weeks, however now its playing up again! The pressure keeps dropping down, last night I filled the system to 1.5 bar however it had dropped to 1 bar...
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    RAVENHEAT CSI 85 COMBI BOILER TROUBLE? ANYONE PLEASE HELP

    Hi Tony, Many thx, there was water where they had not tightend up one of the nuts on the new diverter valve, which stained the celing underneath (boiler in the loft) but I tightend this up and does seem o.k. now, hence the reason I would rather fix myself as I know everything should be fixed...
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    RAVENHEAT CSI 85 COMBI BOILER TROUBLE? ANYONE PLEASE HELP

    Hello all, My Central heating and hot water was playing up so I had my boiler serviced and diverter valve changed about 3 weeks ago by Corgi reg company, however now 3 weeks later and boiler seems to be playing up again! Sometimes if the heating and hot water are not working the red reset...
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    CHANGING A RAVENHEAT CSI 85 DIVERTER VALVE?

    O.k. thanks, I’ve now changed the diverter valve and heating and hot water working fine, did take the old diverter valve apart and all looked o.k. in there, the diaphragm wasn’t split but obviously something was wrong! Once again many thanks for all your knowledge/help! Wayne
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    CHANGING A RAVENHEAT CSI 85 DIVERTER VALVE?

    I was going to change the diverter valve last night and turned off all the valves etc, I then unscrewed the bleed nut and very high pressured water shoot out so I quickly put the bleed nut back on! Does anybody know if the water should come out this pressurised or maybe there’s something I...
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    CHANGING A RAVENHEAT CSI 85 DIVERTER VALVE?

    I have to keep resetting the boiler then the hot water works again for a while until I have to reset again! If the boiler fires up when a tap is turned on then clearly the diverter is working. This "resetting" sounds as if it may be an overheating or combustion related failure which is...
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    CHANGING A RAVENHEAT CSI 85 DIVERTER VALVE?

    Check the microswitches on the end of the DV Not sure how I would go about that?
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    CHANGING A RAVENHEAT CSI 85 DIVERTER VALVE?

    I would be surprised if the diverter valve really needs to be changed! Why do you think it needs to be replaced? Tony Thanks everyone for the info, Tony I am guessing its the diverter valve because the central heating works fine, its just the hot water to the taps that plays up, I have to...
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    CHANGING A RAVENHEAT CSI 85 DIVERTER VALVE?

    Hi, Has anyone changed or know if its an easyish job to change a diverter valve on a condesing boiler?
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    Combi boiler keeps needing resetting every couple of days!?

    That was quick! many thanks!!! do you know if this is expensive? and something I could fit myself? Once again many thanks
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    Combi boiler keeps needing resetting every couple of days!?

    Hello all, my Raven heat condensing combi boiler keeps needing resetting every couple of days, then works fine again? If you run the hot tap with the heating on it works fine, however if you run the hot tap with the central heating off it puts the red light on and once reset it all works fine...
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