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Heatline s30 getting hot water no central heating what is the problem

Boiler is working when hot water is turned on but the central heating not working

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 70 Answers

SOURCE: Very Hot water coming out of overflow pipe

Is your boiler heating your domestic hot water if so i would turn water off to water maker and see if your boiler pressure stays down below 20 psi. If so water maker is bad. The other thing that could cause this problem would be the boiler pump is out.

Posted on Jan 23, 2009

  • 70 Answers

SOURCE: The hot water and central heating wont work together

what size of gas line is going into boiler and water heater? is it black iron ? natural gas or propane? have you checked gas pressure at water heater and furnace ? if they work fine individually then you have a problem with incoming gas pressure. Call gas company and ask them if they would come out and check gas pressure.

Posted on Feb 09, 2009

  • 30 Answers

SOURCE: valient combi boiler is not heating the water properly

vailant boilers are one of the best on the market and should last you more than 6 years depending on installation and servicing.
the engineer you had should not have replaced the diverter valve if the boiler was firing up when the taps are opened. if you was getting luke warm water with the boiler alight it is a classic symptom of a blocked plate heat exchanger on the central heating side.
a new heat exchanger can cost around £100 depending on the age and model of the boiler.alteranatively it could be descaled but may clogg again. it would be a good ideal to fit a magna clean filter on the system to help prevent further debris if you have a dirty system .if you don't trust your engineer i suggest you ask another. find out if he is registered first and don't pay until you are satisfied with the work. if you are asking the same engineer back try and get a discount off the work as he has failed to rectifiy the original fault and fitted the wrong part due to wrong diagnostics. if he is registered you can complain to the governing body ie corgi or gas safe register.
good luck.

Posted on Mar 30, 2009

  • 150 Answers

SOURCE: alpha 240e boiler wont fire up for hot water, will for heating

most likely the diverter valve.. when hot tap turned on the movement of the water through the valve operates a diaphragm which pushes a pin/button//switch to tell the boiler to fire up

Posted on Sep 02, 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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Very Hot water coming out of overflow pipe


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