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ferroli

  1. I

    Issues with Ferroli Optimax HE Plus 31C

    Hi, I recently moved to a flat which has a Ferroli Optimax HE Plus 31 C boiler. Up until recently it worked fine but as of late there has been issues when using only the over the bath shower. The boiler has no problems heating the water, the ignition ignites and there is a constant flow...
  2. U

    ferroli maxima 35 c

    Hi. We have the above boiler and it keeps losing pressure (from 0.7 to 0.5) when we try and have a shower and turns the water cold. The boiler states a f37 fault code....handly not listed in the manual. Can anybody help? I have tried increasing the pressure on the flex loop (not sure if thats...
  3. B

    Looking for help with Ferroli Gn1

    Hi all, Serviced a ferroli gn1 boiler today. Checked to make sure burner started up ok, removed burner, cleaned out chamber, reassembled, took cover off oil pump and cleaned out filter. Took off filter on oil line and cleaned out. Fitted new nozzle and fired burner up which didn't sound right...
  4. A

    Ferroli Optimax HE 31C Circulation Issues

    Hi, Been to the above horrendous heap of junk this evening to do a service. She tells me she's got a problem with the heating and fault code d2. I've found out d2 is that the ch temp has gone above the set temp and that the boiler is cooling until the temp is lower. Now the upstairs rads...
  5. Hobo128

    Ferroli domicompact f24b f5 fault

    Today I have been to said boiler and when running the tap or central heating the f5 fault pops up. THis happens after a minute or do. I took the combustion case of and ran thd tap again and it worked with no fault. Put the case back on and it gave me the f5 fault. Didn't have much time to start...
  6. J

    Ferroli optimax h31 Central heating not working bu hot water fine

    Not sure how to merge the last thread by Looking for some help please.... The hot water is working fine but for some reason the central heating won't come on. I've taken it out of summer mode, turned up the thermostat in the room to full(the display on this shows flames to state the boilers...
    • Jonnyreyn1
    • Thread
    • central central heating ferroli heating hot water water
    • Replies: 5
    • Forum: Central Heating Forum
  7. M

    Ferroli optimax he plus 31c expansion vessel

    hi everyone, I have just joined, so apologies if this has been asked before. pressure keeps dropping to zero. When at zero there is no pressure on the expansion vessel,which should be at 1 bar, it looks like the only way to replace this is to remove the boiler completely. can I just tee into ch...
    • Myquantum
    • Thread
    • expansion expansion vessel ferroli plus vessel
    • Replies: 2
    • Forum: Central Heating Forum
  8. P

    Ferroli Demicondens 26 c losing pressure

    Hi all, I need to pick your brains! I don't do many boiler repairs and would some advice please. I visited a customer the other week to replace a radiator. She had only just moved in to the property and she was advised by the former owner that every few weeks she would need to top up her combi...
  9. U

    Ferroli cgnk 100 unit - suddenly leaking diesel

    Hello out there My Ferroli CGNK100 unit was, and still is working fine. However, it suddenly started leaking diesel at a fair rate.... not gushing out but sufficient to inspire panic in myself and the Memsah'b. I live down in Spain, my question is simply whether a new boiler is...
  10. J

    Ferroli Hawk 2 air pressure problem

    Hi guys, any help would be greatly appreciated. The boiler will not fire for heating or hot water unless the combustion cover is loosened or removed. I,m aware there is some kind of air pressure problem but I've checked and cleaned the venturi, air tubes and fan, they are all ok. The fan is...
  11. G

    Ferroli Fertech 31C (pile of junk) question.

    Wee bit of help please. Last job of evening. No hot water. Never come across this pile of junk. It's like the budget version of a budget boiler. Branded 'FER'. Its 5 yr old and looks like its at least 15yr old due to multiple leaks/issues previously. It has a plate hex, divertor motor and hot...
  12. A

    ferroli optimax he 31c

    Have been trying to locate a loom for this bag of , The boiler has had several leaks on it the latest from the flow sensor. I have contacted parts centre and plumbase and both are unable to supply the loom that come from the flow sensor. They have contacted Ferroli who have informed them...
  13. P

    Ferroli domina 80

    Hi today i was called out to a ferolli domina 80, the boiler needed a new pcb so i replaced it ,however when i fired the boiler it would not shut off with the mechanical timeclock the boiler would just run so i replaced the clock no joy still the same. Any help would be great thanks.
  14. R

    ferroli optimax 38c woes

    Hello, I have a Ferroli Optimax 38c and since my last gas safety check by my Housing Association in 2014, the boiler fires up as if it is going to kick in and start the central heating - this occurs 2-3 times an hour for about 30/40 seconds 24/7. The thermostat is set to zero. An engineer is...
  15. S

    ferroli f28 boiler fault

    Hi new to this forum any help available would be appreciated, have got a domicondense ferroli f28 combi boiler that has been throwing a f05 and a15 fault which shuts the boiler down,have got a service plan which they replaced an air pressure switch and was told primary exchanger slightly scaled...
  16. D

    Can't turn the central heating off on a Ferroli T-One 30c HE combi boiler.

    Hi all, Im hoping someone can help me out as this problem is driving me crazy! Me, the missus and our 4 month old daughter moved into a new flat recently which has a Ferroli T-ONE 30c HE boiler and it sucks.. The problem is when it is switched on it has both central heating and hot...
    • Davey Roberts
    • Thread
    • boiler central central heating combi combi boiler ferroli heating
    • Replies: 3
    • Forum: Boiler Advice Forum
  17. D

    Ferroli Modena 80E no central heating - strange pressure jumps!

    Hi All, This is my first post to the forum - brought on by a lack of central heating....!! We have a Ferroli Modena 80E which has been fine until recently. Central heating water pressure had been dropping recently. We'd top it up a bit, back to about 1 bar. That'd be fine for a day...
    • diyapprentice
    • Thread
    • central central heating ferroli heating pressure
    • Replies: 3
    • Forum: Central Heating Forum
  18. S

    In need of engineer for ferroli f30 boiler Walsall area

    I'm in need of a engineer that covers ferroli boilers, have had engineer fix new sensor and Venturi, but still having problems. It worked for 10 hours, now the system starts for 10 secs then Shuts down and low pressure light flashes, both central heating and hot water does the same, so need...
    • Simongwalsall
    • Thread
    • boiler engineer ferroli
    • Replies: 2
    • Forum: Boiler Advice Forum
  19. A

    Ferroli optimax 31c HW poor

    Hi any help would be appreciated, not been to look yet just posting for heads up. C Customer has said the HW is very poor. is there anything these things are commonly know for failing on the HW side of things. I know to check Diverter & NTC
  20. M

    Nest and ferroli optimax

    I've fitted a best to a ferroli optimax and it won't turn off! I've spoken to ferroli and said that I have installed in onto the voltage free and he said yes that's right. He then said to add a link in but that has done nothing! Any ideas?

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