Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

plus

  1. S

    Vaillant Ecotec Plus 832 Expansion Vessel

    Hi Guys, Had a quick question regarding expansion vessel on a Vaillant Ecotec Plus 832. Was servicing the boiler and upon attaching hand pump to vessle after having drained the boiler, returns and flows isolated and drain off on boiler open, the vessle showed 1 bar charge. Was wondering why...
  2. F

    12 year old Vaillant Eco Tec Plus 415 keeps turning off

    Hello, can anyone advice me on my Vaillant Ecotec plus 415. The boiler starts up but switches off after a few minutes. If the temp dial is turned up then it makes a very loud banging and flapping sound. I was advised to get system flushed by one company and another said the boiler is old i...
  3. Achille Becker

    adapters diamteter problem plus valve

    hello all i have a problem i have a valve that is 1" wide and a hose that need t connect that is 1 1/2 wide is there anywhere coud fnd an adapter ?
  4. Bogart

    Gunged up or what after some 30 plus years

    Attached are a couple of photos I ha.ve just taken after cutting out some 28mm pipe. One ,which was on the flow leg, looks way worse than the return leg one. The flow leg is now down to what a 22mm pipe might carry. Why should one leg be so much worse? Would temperature make that much...
  5. B

    Vaillant ecoTec plus 637 System boiler control options

    Vaillant ecoTec plus 637 and gledhill 250 indirect tank control options Hi, I am in the process of renovating an old farm house. I have been advised to have installed the Vaillant ecoTec plus 637 system boiler with a gledhill 250l indirect tank. I met with the heating engineers yesterday as...
  6. J

    F.22 Vaillant EcoTec Plus 630 - can't locate filling loop

    Hello - I have an f.22 error on this system boiler, 0.4 bars. Just moved into this house so not certain on how everything works. There are no taps under the boiler to add more water. There is a hot water cylinder in the cellar so thankfully it's just heating that we have lost. With this...
  7. F

    Combi-boiler plus Thermal heat store - problem and suitable replacement recommendation

    Hi, sorry to bother you all with this but I am really struggling to find a suitable combi-boiler replacement and a knowledgeable heating engineer to discuss options. Ive tried to note as much relevant details below - apologies if its too long or irrelevant. Any help most gratefully received...
  8. S

    Vaillant EcoTec Plus 938 temperamental in heating mode

    Hello, we have a Vaillant EcoTec Plus 938 boiler and it started behaving when running in heating mode (hot water is fine - no problems with that). The problem is that quite often when there is demand for heat (either from one of Hive TRVs or from under floor heating thermostat) boiler starts...
  9. S

    Y plan with Vaillant Ecotec plus OV430

    Can Someone tell me how to wire the Vaillant ecotec OV430 with the Y Plan system. Does the orange from terminal 8 junction box go to the RT terminal on the boiler (room thermostat)
  10. D

    Vaillant ecoTEC plus 637 with Nest or maybe SensoHome

    Hi, A newbie here but need expert advice, I have installers who have started fitting the boiler (Vaillant ecoTEC plus 637) replacing an old water tank loft system and cylinder in the cupboard I'm also installing a horizontal megaflo (tempest) Okay, so they purchased the Valliant vsmart kit...
  11. G

    Combi boiler plus shower pump

    Hi I have a 32kv combi boiler in my cellar, I am switching to a mixer shower from a cold water feed electric. Do I need to fit a booster pump in my bathroom. Or can I fit one using a combi boiler. Any help would be appreciated
  12. V

    Ecotec plus 824..F28.

    Hi anyone. I have the F28 code on this unit. Gas IN is fine and on start up fires but within a second or two, the gas valve shuts. Taken the valve apart and the diaphram is ok,no splits. S code runs thru 1, 2 & 3 but will not progress to 4( burner ignited). Checked the low voltage solenoid and...
  13. D

    Vaillant ecoTec Plus 418 D0 Setting

    Could anyone please provide an idiots guide how to change the D0 setting on my boiler. When I open the panel I'm faced with four buttons Bottom two + and - top two - -. That would be a great starting point. My D0 setting is apparently D00 (auto) and to cut a long story short, my boiler has...
  14. B

    Valliant Turbomax Plus boiler

    Hi everyone sorry its my 1st post and to start to beg for info straight away but really have problem with boiler, It comes on when its not supposed to, out side of its program in odd times, had 2 different plumbers come to fix it but still not fixed, one plumber changed the gas valve this do...
  15. S

    Vaillant Ecotec Plus 824 problem

    Just serviced a Vaillant Ecotec Plus 824 and after putting all back together and filling up got some issues. The burner keeps modulating between high and low ever few seconds when running hot water. I checked the inlet pressure and all is within parameters per MI. Heating came on for few...
  16. V

    Boiler plus conformity

    Hi everyone. I'm only just qualified and have been asked to install a replacement boiler in a maintenance yard. There is a pre existing Building management system with zone thermostats linked to electronically operated trv's on ceiling hung radient panels, which are, in some areas, linked to...
  17. B

    Is powerflush really any better than chemical plus mains flush? (before boiler repair)

    Hello, BEFORE I cleaned the system last year with a mains flush. There was a little inky stuff and a bit of sludge at the very end when I emptied out the rad I took off the wall, but no rads have ever had cold patches. Most pipes are hep20 but I had small section replaced by copper 2 years ago...
  18. E

    Vaillant ecoTEC plus 824 actuator motor cycling

    Hi, as title says the actuator motor keeps cycling and sounds like the gears slipping. The pump is running freely and the diverter valve is running free. I have seperated the motor from the diverter valve and extended the motor piston. On powering up the boiler the piston retracts but then goes...
  19. A

    vailant plus 630 R1

    can someone clarify for me pls. I have a vailant plus 630 R1. Approx 18 years. Clean as a whistle as recently had power flush inc chems so know all is clean and well. Despite setting the rad temp to say 75*, it rarely if ever runs to that temp. it’s generally max at 60* and as low as 50*...
  20. R

    Promax Combi HE Plus recharge expansion valve

    Hi all, a little advice and validation of current advice (from dad). So boiler has been loosing pressure with an error code of E119. The pressure drops over a day or two and I top it up to around 1.5 by means of loop. This temporarily allows the boiler to fire up and do its thing. I can't carry...

We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.

Featured Content

Back
Top