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ariston

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  1. P

    baffled by Ariston Microgenus 24 HE no heating, but hot water ok

    Job for a close friend of mine, he has an Ariston Micrgenus 24HE (unfortunately). It's acting as though there is hot water demand (but there are no taps open). The red led on the flow switch illuminates when the tap is run, which tells me the switch is good? When i unplug the switch and turn...
  2. K

    Ariston microgenus he 28 mffi A77

    Hi all, service one of these every year and occasionally get the a77 fault and lock out. Recently cut a remote vessel on return to boiler as internal one had gone and under sized for property (holiday home) Also changed o ring on pressure switch as was leaking. Went to check this week as guests...
  3. B

    Ariston E Combi 30 Problem

    Good Morning All, I would really appreciate any advice on the issue in the video clip I have posted in the link below, it happens quite frequently but on other occasions the boiler will light first time without issue. The PCB has been changed to the updated version also. Video - TinyPic - Free...
  4. M

    Ariston Clas 30 HE 47 116 52

    Does anyone know where the overheat stat is on this boiler? It is the later version combi without the DHW sensor.
  5. S

    Ariston Microgenus 28 mffi. Error code A 77

    My Ariston boiler is showing A 77 error code. I have looked on line and the error code is condensate trap full of water, condensate sensor short circuit. Does anyone know if i can empty the trap myself, or where it is, as I think if I can empty it myself. The electrical sensor will no longer...
  6. J

    Ariston EP10 UR 3 KW (Europrisma)

    Morning, I've had a ariston europrisma installed temporarily while I renovate the house. I have a proble with it. It starts off giving hot water when I put the water on. However, after about 30 seconds it stops giving water and the orange light comes on. If I leave it for a few minutes the...
  7. S

    Ariston clas 30HE - 2 problems

    Hi all, Could someone help me out here please? I got 2 errors on Ariston clas 30HE. Error 1 It shows 201 - manual says - DHW sensor short circuit / open line. Had a look where the sensor is supposed to be just to find a blanked off port and loose sensor wire. Boiler works fine though, just...
  8. hammers4spanner

    ariston microgenus

    Just been to one of these piles of pap intermittent hot water fault code e 33 checked it looks like aps playing up . Just had a gander at fault codes and seems to confirm however not to familiar with theses boilers anything here that can trip you up?
  9. B

    Ariston micro genius 23 mffi non condensing boiler

    Is it just me can't see drain off on this boiler. Wanted to just drain boiler not the system. Ended up undoing rtn nut under boiler to drain it
    • buckley plumb
    • Thread
    • ariston boiler
    • Replies: 0
    • Forum: Boilers
  10. B

    Ariston

    Has anyone fitted the ariston heat only boiler with 5 year warranty as they are on special in screwfix at 299
  11. A

    Ariston 15l 2kw

    Hi guys Just wondered if anyone could help with this strange request. I fitted an ariston water heater in a shower room for a friend of my dads. I told him this was not recommended because of the recovery time but he said its fine because It'll be a single man living there and a ten...
  12. R

    ariston water heater!!

    need to fit the above undercounter heater. problem is, its in a flat on the 3rd floor and no external drains available. there is also the likely chance of some scroat nicking the copper if run to ground. stop tap, soil and 2 hot taps are all within 2 meters of the entire services with boxed n...
    • REDSAW
    • Thread
    • ariston heater water
    • Replies: 10
    • Forum: Bathroom Advice
  13. B

    Ariston E-Combi 30

    Went to the above boiler to fit a new main pcb and spark electrode after another engineer. Fitted the parts but it didn't resolve the issue. Boiler fires but the burner pulsates on/off for a few seconds and then eventually goes to lockout. Unable to get hold of Ariston as it's a bank holiday...
  14. H

    Thermostat issue on Ariston WRc-NSF Unvented Cylinder

    Hi I seem to have an issue with my thermostat on the Ariston WRc-NSF unvented cylinder. The water coming out of the hot water tap is very hot, but with the cylinder knob right down it still seems to 'click on', causing my programmer to send a hot water demand to the Vaillant ecoTeEC 637 System...
  15. N

    ariston ecombi. insufficient circulation error ? help

    I keep getting this error, I'll explain what happens. First thing in the morning when I get up usually the boiler has locked out with this error, it would appear that when the heating tries to kick in it trips the boiler. Now if I turn on the hot water tap then reset the boiler it fires up...
  16. Riley

    Ariston under sink heater, help!!!!

    Morning all trying to fit an undersink water heater for custard in a flat. Only position for it is in like an old airing cupboard in the centre of the property in the bathroom. Now ive just spoken with ariston as I wasn't sure about PRV termination and they don't endorse termination through...
  17. M

    Ariston boiler issue?

    Hi all. Quick query. Ariston combi comes on, pump and fan running. Boiler fires up but the temp shoots up to 70 and shuts down then when it cools down fires up again etc etc. pump has been replaced. Any ideas?? I'm thinking maybe a blockage.
  18. N

    Pressure Issue? Ariston heater

    Hi Guys, I have a small warehouse and under the sink I have an Ariston water heater, the outputs of which are T'd to the hot tap on the sink in the kitchenette, and then go through the wall to the toilet. There is a discharge valve, which connects to a plastic kind of thing (I'm no...
  19. J

    Ariston ACO 32 MFFI Combi - hw only warm unless htg on

    Went to the above boiler last week, it kept blowing fuses. On looking at it, it was the div valve pin leaking onto the motor. I used the service kit and replaced the guts of the valve and the valve motor. Ran the boiler and tested hw and htg =happy days. I got a recall today as the customer...
  20. C

    Ariston euro combi a/23 mffi pump running nothing else .

    Hi all, I'm new on here so please go easy on me , got called out to a aristo a/23 mffi , pump running but nothing else. seems to be power to air pressure switch stats ect, the right hand pcb , got power going to the pump, none going to the fan only 12volts going up the neutral wire to the...
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