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  1. M

    Ferroli Optimax HE31C

    I will try this again as previous thread was locked. Firstly I am not looking for advice on how to modify or repair a boiler. I am looking for a considered opinion and the issues raised so I can make an informed decision about costs and the issues with the boiler. I HAVE A GSR ENGINEER BOOKED...
  2. M

    ferroli optimax H1 31C

    Hi. Have a ferrolli optimax h1 31c boiler with HW and no CH. The CH return is getting hot but not the Ch flow. Due to a cock up never registered warranty even though have paperwork. Divertor valve. Annoying as ferroli charged me 280 for a leak repair in december. Still waiting their...
  3. E

    F u mr ferroli

    Went to a large domicile today. Bloke knew he needed an 837 to run alongside his 31kw boiler which heated his UVHC. The two systems were separate and needed to stay that way. His u6 gas meter on a 22mm supply wasn't an issue nor was his fully open bypass. Spent a long time expressing my...
  4. D

    Noisy ferroli optimax 30he when in CH mode

    Hi all, I was wondering if anybody had any ideas why said boiler is making whining high pitch noises in CH mode. I can pinpoint the noises to around the plate exchanger and diverter valve .Pump seems to be purring nicely and noises are worse when selector switch is on 3 , goes quieter on 2...
  5. I

    Ferroli Optimax HE 31C: Intermittent hot water

    Heating works fine, hot water never gets to full temperature, eventually runs cold. If the hot water is ran for long enough it will eventually get lukewarm then back to cold and repeat the cycle, never getting fully hot nor fully cold. When running the hot water, it slowly gets hot but never...
    • I.Cannon
    • Thread
    • ferroli hot water water
    • Replies: 4
    • Forum: Bathroom Advice
  6. J

    Ferroli Optimax HE 39C Intermittent Fault

    Hi, Could anyone give me some advice or information please? My mother (age 79 and living alone) has a 6(?) year old Ferroli Optimax HE 39C condensing boiler which is serviced annually. Over the years it has given a lot of trouble but as my father dealt with it while he was still alive, I...
  7. A

    Ferroli Combi F30 Only Firing with case ajar.

    Went to the above old boiler, pump and fan running, but not firing unless I loosen a case screw. Not even a huge amount. Couldn't see any issues with the flue without stripping it down. Anyone any experience of these boilers? I blew down the pressure switch tubes back to the fan and they...
  8. P

    Ferroli F24 - Central Heating Cutting Out

    Hi Wonder if you could help with CH problem. DHW is working fine with my Ferroli F24 and the BAR tends to hover between 1 and 1.5 went using DHW. However, when I switch the CH on, the boiler fires up for a few minutes, then the BAR creeps to around 2.5 BAR and then the CH cuts out. I think...
    • paingiver
    • Thread
    • central central heating ferroli heating
    • Replies: 3
    • Forum: Central Heating Forum
  9. C

    Ferroli Optimax HE 38 C - variable hot water

    Hi All I have a problem with my Optimax HE 38 C boiler. Basically the hot water temperature starts off hot then quite quickly becomes tepid at other times the water is very hot (scalding). Have tried switching between ECO and comfort settings but makes no real difference. Seems very erratic...
    • CraigC
    • Thread
    • ferroli hot water water
    • Replies: 2
    • Forum: Bathroom Advice
  10. B

    Repair to Ferroli Boiler BD18 Area

    I have Ferroli Optimax 18s which has a failed return sensor and water seal leak (which has probably caused the sensor to fail) in the pipe from the pump outlet to the heat exchanger. Live in BD18 area, appears all who I have rang don't wan to touch Ferroli Many thanks
    • burt32
    • Thread
    • boiler ferroli
    • Replies: 12
    • Forum: Boilers
  11. R

    ferroli modina 80

    Hi all Anyone know anything about these boilers? Went to one today and the thing is making a lot of noise the case is vibrating and slowly gets louder. It seems to coming from the pump but when i checked it over the pump seems fine though certainly changing the pump speed has an effect on the noise
  12. T

    Damaged Ferroli F24 Heat Exchanger

    Hi this is my first post so I hope I get in all of the details. I'm a landlord of a flat in London and I'm currently abroad. We have Foxton's managing our property (which was probably a mistake) and their contractor has quoted us 710 pounds (+VAT) to change the main heat exchanger in our...
  13. C

    TS sheet for Ferroli Optimax HE plus 38 C

    Hi, Can anyone tell me where I can get the TS sheet for my Boiler. I live out in Spain and the local agents does not speak English. Their boilers out here are different and he does not have the information. Thanks in advance. C-kip
  14. Hobo128

    ferroli boiler, no central heating.

    Sorry guys this is abit limited but thought I may aswell post it all the same. Was called to a job tonight, no central heating on a Ferroli condensing boiler( not sure of model). After fiddling about with it I managed to get it going. But something isn't right with it.Has anyone had any...
    • Hobo128
    • Thread
    • boiler central central heating ferroli heating
    • Replies: 6
    • Forum: Boilers
  15. C

    Ferroli optimax he 38 plus c

    Hi, I now live in spain and brought the above boiler (new) out with me from England. It has been installed and I got the local Ferroli Agents to commission it. It is working correctly but the temperature on the central heating will not go above 64degs even though it is set to 80degs. The local...
  16. W

    Ferroli f24 domicodens boiler showing F37 error code

    I am constantly getting the F37 error code on my boiler as detailed above on a daily basis now, this has always been a problem, but from the boiler doing this every 4 weeks or so, this is now happening every day. I am also getting constant air locks in the bedroom and bathroom radiators, which i...
    • wellington38
    • Thread
    • boiler ferroli
    • Replies: 2
    • Forum: Boilers
  17. S

    Help please with Ferroli Modena 102 boiler

    Hello I need help please with my central heating boiler. I'm in a bit of a fix as my husband has had a knee operation and I'm trying to get the central heating to work. We haven't used the heating all summer, but the hot water has worked normally with no problems. However, when I tried to turn...
    • Sonjaday
    • Thread
    • boiler ferroli
    • Replies: 5
    • Forum: Boilers
  18. W

    Ferroli Falcon problem Bradford, West Yorkshire

    Hi, our Falcon is making some very loud banging noises sparodically. The DHW is fine but the CH doesn't work at all. We need is fixing ASAP as we're are selling our house and will have a Survey done this week. My number is 07738 377314. thanks.. Chris
  19. B

    big ferroli heap

    50 kw of pure crapyness,you can service them this size ferroli class them as domestic
  20. M

    Ferroli HE Plus 38C problem: Notts/Lincs border (NG24)

    Hi Guys, I have a fault on a Ferroli HE Plus 38C. Sequence starting from the boiler working normally and CH on: (1) Drawing off Hot Water for a bath is OK (except for the inbuilt temp display shows a constant 14deg, is this correct as it seems to show the ambient incoming water temp? I would...
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