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Vaillant s07 problem

Hot water but no central heating

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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  • 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

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  • 3 Answers

SOURCE: hi i have a vaillant

diverter valve needs adjusting or replacing.

Posted on Dec 30, 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

  • 234 Answers

SOURCE: no hot water

My guess would be the unit mifired and need reset.

Posted on Mar 15, 2009

  • 1 Answer

SOURCE: Siemens central heating control

I have a Siemens "Radio" Room Stat - the receiver has switched itself off. How do I restart it. I have pressed the restart button and the reset - nothing happens except for red light flashing and then off. I do not have the instructions. Where might I get them?
J W-K

Posted on May 01, 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.


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If the zone valve was replaced and wired correctly then it is likely the zone controller if u have one. Manually open the valve and turn the tstat up if it begins to circulate then it is a controller issue. If you still get no heat (circulation) than it is the circulator pump or the pumps controller. Its best to test those individual parts with a multimeter to avoid buying parts not needed

I’m happy to help further over the phone at https://www.6ya.com/expert/steve_e294c1922e4bed38

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No hot water


My guess would be the unit mifired and need reset.

Mar 10, 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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