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How do you light vaillant pyrox hot water - Water Heaters

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4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 44 Answers

SOURCE: heating, but no hot water on a vaillant turbomax 28 combi

the problem is the diverter valve unit, source a corgi engineer to fit new one, cost for valve approx 80 quid +fitting

Kindly

Richie

Posted on Dec 16, 2008

mrgrzz
  • 88 Answers

SOURCE: Vaillant turbomax 28 constant hot water problem.

got your fix, its a calcium buildup in the heat exchanger, and more than likely the rest of the unit, you will need to flush the unit with about 4 gallons of vinegar, you will need to recirculate it for about 20 mins through the unit, then flush with clean water, hook it back up, it might take a couple of mins for it to run properly, but it will, I have had the same problem with Rinnai on demand hot water systems, and it worked like a charm, check the filter thats inline as well, make sure it isnt plugged, clean if needed, also if you dont have a soft water system inplace, you might want to think about buying one and having it installed, that will reduce this from happening again for alot longer period of time, hope that helps

Posted on Jan 20, 2009

mrhotandcold
  • 248 Answers

SOURCE: Vaillant boiler no heating or hot water

refere to manual check for override switch loss of pressure no problem re-pressurise and check for leak top of rad valve good place to start

Posted on Oct 11, 2009

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1 Answer

Intermittent hot water.Changed diverter valve,heat exchanger,fan, PCB. Vaillant turbomax 282e But still no hot water.


Sounds like you need a new Thermo coupler.
Could be as simple as a dirty pilot and needs cleaning but I suspect a thermo coupler.

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If you have hot water the heater must be heating. Perhaps the switch is bad or the gas on/off solenoid is malfunctioning. But, how do you know that there is hot water, is the water facet on? If so try turning off the water.

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I have a Vaillant Combi boiler, recently serviced by British Gas, given all clear. Problem we are having is the downstairs hot water tap it is a mixer tap, the cold water is fine but the hot water is


Boilers are inherently dangerous for the average DIY for so many reasons, contact British Gas and have them come back and fix it, tell them it was fine before the "service". They may simply have a control valve shut off.

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Vaillant combi boiler no hot water


Is it electric? Do You have power? Is the temperature setting on high setting?

Sep 20, 2014 | Water Heaters

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Vaillant gas water heater - pilot light only, not lighting the main gas ring when tap is turned on..


first check to see if the thermocouple is close enough to the pilot. if it is and won't light the ring, replace the thermocouple.

Mar 01, 2014 | Water Heaters

1 Answer

I have a vaillant eco pro 28 combi boiler. no constant hot water unless tap is on really low.


Oh some of these there was a small black heatexchanger just for hot water they some times block up . or it could be a blockage in the water section where it flows in .I know Valliant have a very good tech line and fitters who do house calls .

Mar 02, 2017 | Water Heaters

2 Answers

Vaillant boiler no heating or hot water


refere to manual check for override switch loss of pressure no problem re-pressurise and check for leak top of rad valve good place to start

Oct 10, 2009 | Water Heaters

1 Answer

Vaillant combi boiler,dirty water comes out of hot and cold taps ,just been serviced by british gas,could you tell me the problem


Hi ,

Can you please tell me the model of the vaillant, and the approx age?

I can solve this problem

I await your reply

Thanks

Steve :)

Jul 16, 2009 | Water Heaters

1 Answer

Vaillant turbomax 28 constant hot water problem.


got your fix, its a calcium buildup in the heat exchanger, and more than likely the rest of the unit, you will need to flush the unit with about 4 gallons of vinegar, you will need to recirculate it for about 20 mins through the unit, then flush with clean water, hook it back up, it might take a couple of mins for it to run properly, but it will, I have had the same problem with Rinnai on demand hot water systems, and it worked like a charm, check the filter thats inline as well, make sure it isnt plugged, clean if needed, also if you dont have a soft water system inplace, you might want to think about buying one and having it installed, that will reduce this from happening again for alot longer period of time, hope that helps

Jan 20, 2009 | Water Heaters

1 Answer

Heating, but no hot water on a vaillant turbomax 28 combi


the problem is the diverter valve unit, source a corgi engineer to fit new one, cost for valve approx 80 quid +fitting

Kindly

Richie

Dec 15, 2008 | Water Heaters

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