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  1. K

    Ecotec plus losing water?

    Hi guys, any ideas on my pressure problem? Friends boiler keeps loosing pressure, went out today to check the usual suspects (expansion,prv,system leaks, heat exchanger) but didn't find any issues. stopped for a chat for about an hour and checked system pressure when boiler was up to temp - all...
  2. plumb_know

    Eco tec plus combi

    Done service on eco tec plus - all working on leaving. Next evening get a call to say now F70 & F42 fault codes coming up. Which say incorrect part fitted or not set up, only thing I replaced was combustion door gasket. Apart from that just gave it clean and done safety checks as normal...
  3. D

    New Boiler Stop/Start Loud Vibration - Valiant Ecotec Plus 615

    Hi all, Looking for some advice on a new Valiant Ecotec Plus 615 boiler, fitted a few weeks ago. It makes an on/off vibration shown in the video link below, and is loud enough for me to hear easily in the living room (I live in a 2 bedroom apartment and my boiler is in the bedroom). Our old...
  4. C

    Ecotec plus boiler with VR66 gives code s97

    I have mounted a VR66 wiring centre in dual zone (switch in position 0) with two VRT350 thermostats. The heater is an Vaillant Ecotec Plus with combiboiler from october 2020. And I must say it works very well when one or both thermostats ask for heat. When there is no demand for heat the boiler...
  5. 5

    VAILLANT ECO TEC PLUS 835

    Installed the above boiler today. They quote 14 ltrs per min hot water. Looking at the heat exchanger, it does not look any different in size to the 832 (well I know, its only 3kw more!), but comparing this to the 838, that heat exchanger is nearly double the size? and the flow rate on that is...
  6. TMHM

    Cleaning Jet Blue Plus

    Simple Q, but one I cant seem to find an answer for. I have even looked on the manufacturers website and H&S data.... How do you clean off surplus Jet Blue Plus? I find that the lid of the container goes all cruddy and it smears everywhere but where I need it!! All I want to do is clean the...
  7. A

    Valiant EcoTec plus 831 strange noise!

    Evening all, My EcoTec 831 has begun to make a strange noise, the plumber suggested bearings in the fan but it's intermittent and goes when rebooting. Can go a good week without it happening and HW and CH working fine. Any Ideas? Thanks in advance. Video is attached. Arron
  8. R

    Vaillant ecoTec Plus 831 Filling Loop End Caps

    Good morning all Vaillant ecoTec Plus 831 Filling Loop Can anyone recommend a pair of suitable end caps for the above? An Amazon or eBay link would be good. Thanks
  9. P

    Recommend wireless replacement for Horstmann Plus 4 Channel Programmer

    Hi All. I have an old controller that I want to replace. I have 3 heating zones in the house (outside oil burner/seperate internal water tank)and want something that can replace this controller and give me wireless control of hot water and switching on the zones with a mobile device. I hope...
  10. Z

    Heatline Capriz Plus Drain Plug

    Hello, i require a drain plug for a Heatline Capriz Plus 28a, i've just phoned up the spares line and have been given a code of 0020203966, but when i look this up at any supplier it is listed as a 'handle'. I'm just wondering if anyone else has ever needed one of these, if they managed to get...
  11. J

    Potterton Promax HE Plus - Question about operation.

    Hi, I've got a Potterton Promax HE Plus combi boiler and had a question I was hoping someone could help answer for me? The boiler switches on and heats up the radiators upon being activated but it seems that once the radiators get hot the pilot light on the boiler switches off for a while until...
  12. P

    Aquatronic 2 Plus - slight leak from Stabiliser valve assembly

    Hello, our shower has started to seep a few drips from the stabiliser valve assembly (P07810800) but not from the top where the plunger is which appears to be where they can normally leak from. I've seen you can buy as gasket kit for this area. Ours is leaking from where the temperature control...
  13. L

    Geberit aco 103 plus press tool advice.

    Hi. I've recently purchased a press tool which is branded geberit but it's actually a novopress aco 103. I was wondering if anyone knew if there was an adaptor that would fit so I can get the machine in tight spaces. I know Rems do a 45° attachment but not sure if this would fit in my...
  14. C

    Promax Combi HE Plus

    Hi My Pressure Gauge is giving me grief it’s rising on its own goes down to 0.8 and then rises to 1.4 bar where it currently is the heating is not currently being used and no hot water has been used for a few hours. Does the gauge need re placing.
  15. G

    Vaillant ecoTEC Plus 938 - Low Flow Rate

    Hi guys. Hope you are able to help me, and thank you in advance for anyone who can contribute. I've got a Vaillant 938 and notice that the hot water output isn't near the claimed flow. I've tested the pressure at the stopcock and it's around 3 bar. I've tested the cold flow rate from the...
  16. J

    Vaillant Ecotec Plus 824 F75 fault

    Hello Our Vaillant boiler has developed a fault in the last 2 weeks. The hot water is working without any problems. However, within 15-20 minutes of turning the heating on we are getting the error message 'F.75 Fault. Pump water shortage'. The boiler being on for heating is pushing the filling...
  17. M

    Ideal logic plus 30 overheating?

    Hi just wondering if anyone can shed any light on an issue i'm having with my boiler.. Initially started i think after i came back of holiday and the pressure was low on my boiler after topping up everything was fine and boiler operated as normal. A day or so after however i started noticing...
  18. G

    Vaillant EcoTec Plus

    Hi Everyone. I am hoping that someone could help me with a problem I have with a Vaillant Eco Tec Plus, that was fitted last year in March. When it was first fitted I noticed that it took more than 30 minutes for our radiators, to get warm, our old boiler would heat it in about 10 minutes. I...
  19. D

    Remeha avanta plus E5

    Have a28c approx 10yrs old, vertical flue, plagued with random E5 faults. 18 months ago full service kit replacement all was good. Its now back with E5! Only thing i could find amiss was on h3 (full load) co2 8.2, adjusted back to 8.8 andas it seemed to conk out on hot water i hope thats will...
  20. J

    Vaillant Ecotec plus 824

    Hi Hope someone could help me on this. i have a Vaillant Ecotec plus 824 boiler. i have leak ( see attached picture) please some let me know what part it is and could it repairable? Thanks in advance

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