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My central heating turns off when i turn the hot water tap on. when i turn it off the central heating doesn't come back back on until i turn the power off and on.

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Claude Kayser

Water Master 9,098 Answers
Posted on Feb 09, 2016

Claude Kayser

Water Master

Joined: Jun 15, 2015

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Combi-boiler-turn hot water tap on/off and the heating stops for ...

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Combi-boiler-turn hot water tap on/off and the heating stops for 20secs ... hot watertakes priority over central heating so when you run the hot tap, heating is ... Yeah onmy worcester combi there is a diverter valve - it feeds either the heating or ...

My central heating works but I have no hot water - 24'7 ...

https://www.247homerescue.co.uk/my-central-heating-works-but-i-have-...

Diverter valves switch heat between the hot water and the central heating. When youturn your hot tap on, the diverter valve temporarily shuts off the water supply ...

Does your boiler keep switching itself off? Here's why ...

www.dhs-uk.com/does-your-boiler-keep-switching-itself-off-heres-why/

Jul 7, 2015 - ... Bathroom Suites, - Showers, - Wet Rooms, - Taps and Accessories, Information and ... Low water pressure can cause your boiler to turn itself off. ... boiler is not turning off, you aren't getting the amount of hot water you require. ... If there is air in your central heating system, then your boiler may shut down.

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1answer

I have a logic combi24 boiler installed June 2016. As the weather is getting warmer I have switched my dial from central heating and hot water to just hot water. The water is not heating up.

Does the boiler fire up when the hot water tap is turned ,calling for hot water,if it does check flame has ignited ,if not then contact a p,umber as pcb may have blown.

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Apr 06, 2017 • Water Water Heaters

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Boiler won't ignite for hot water unless heating is on.

If this is in a RV the propane monitoring valve may require more gas flow to turn on than the water heater requires. A central heating system requires substantial gas flow so when the monitoring valve opens to fire the central heating, there is enough gas flow to also fire the water heater.

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Jan 26, 2016 • Water Water Heaters

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Pressure gauge drops to zero when hot tap turned on

There are multiple types of systems that use the configuration you are talking about. We have no way of knowing what the system is but there is obviously a supply problem. Either the pump is not working correctly or the water supply has been constricted.

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Jan 10, 2016 • Water Water Heaters

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1answer

Central heating not working but hot water is ok.

If when you turn power off you wait a while it is probably not the central system coming on. You have a triple aquastat that maintains a temperature level needed to provide hot water. but you are not getting the thermostat to operate the central heating. The thermostat is a switch that operates by temperature. if you have tried raising the thermostat and the system did nor kick in. try jumping the thermostat terminals in the aquastat . if that works then the problem is either in the thermostat or the wiring to the thermostat. also with a electrical tester." while the thermostat is jumped" test the c1 and c2 terminals to see if power is going to the circulator. If not then you need a new aquastat. if you have power and the pump is not moving water replace it.

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Oct 13, 2014 • Water Heaters

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1answer

No hot water,central heating is fine

Sounds like the output fitting has melted inside and clogged up the output pipe. These couplings are one way valves to keep water from draining backwards when not in use to keep from burning elements. They are plastic inside. I would turn off water and replace those after a visual inspect if needed.

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Feb 20, 2013 • Water Heaters

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I have a Biasi Riva Advance HE Combi Boiler. The pilot light and fan dont seem to be working, I can hear a click when I run the hot water tap and a click after I turn tap off,

Have you bleed the air from system and run hot water and heating at the same time , bleed the pump . you could have air in the pilot after turning it off

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May 01, 2017 • Water Heaters

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When hot tap is turned on there is a banking noise from boiler.Have had new pump fitted and have domestic hot water and central heating.Noise continues, but not as bad as before.When heating switches on...

try by draining tank. it may have sediment build up in it. heres how. go to www.ehow.com/how_5544402_drain-hot-water-tank.html this site will explain it better. have a good day! Sediment can drift into recirculation lines, jam open check valves, and cause the recirc pump to stick until it burns out. it causes noise, sometimes enough noise to annoy, or even frighten, people if the tank is inside a dwelling. The noise is caused by small amounts of water under the sediment layer turning to steam bubbles, which then collapse violently.

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Feb 18, 2011 • Water Heaters

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Water won't get hot, code c2 11

1-866-720-2076
Available between 7AM - 7PM Central Time
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Feb 02, 2011 • Rheem Tankless Hot Water Heater...

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A trickle of hot water from taps, central heating ok

it sounds like your shut off valve might be bad even though it turns on and off by turing it doesn't mean that the washer is not stuck to the seat and not opening, try replacing the valve

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May 18, 2009 • Water Heaters

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1answer

Central heating and hot water have suddenly stopped working

not an engineer but maybe a heating compant,, it sounds like you have a relay that has gone bad, you have what we call a winter summer system your domestic water comes from a tank inside the boiler, you might want to think about splitting the system to save you some money in the long run, seperate the water heater from the boiler so you only heat up in the winter, right now you are heating the system that heats your house to get 30 or 40 gals of domestic hot water, it would cost you less by seperating them

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May 17, 2009 • Water Heaters

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I have a logic combi24 boiler installed June 2016. As the weather is getting warmer I have switched my dial from central heating and hot water to just hot water. The water is not heating up.

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My central heating turns off when i turn the hot water tap on. when i turn it off the central heating doesn't come back back on until i turn the power off and on.

1 Answer

Claude Kayser

Combi-boiler-turn hot water tap on/off and the heating stops for ...

My central heating works but I have no hot water - 24'7 ...

Does your boiler keep switching itself off? Here's why ...

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Related Questions:

I have a logic combi24 boiler installed June 2016. As the weather is getting warmer I have switched my dial from central heating and hot water to just hot water. The water is not heating up.

Boiler won't ignite for hot water unless heating is on.

Pressure gauge drops to zero when hot tap turned on

Central heating not working but hot water is ok.

No hot water,central heating is fine

I have a Biasi Riva Advance HE Combi Boiler. The pilot light and fan dont seem to be working, I can hear a click when I run the hot water tap and a click after I turn tap off,

When hot tap is turned on there is a banking noise from boiler.Have had new pump fitted and have domestic hot water and central heating.Noise continues, but not as bad as before.When heating switches on...

Water won't get hot, code c2 11

A trickle of hot water from taps, central heating ok

Central heating and hot water have suddenly stopped working

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Water Heaters

I have a logic combi24 boiler installed June 2016. As the weather is getting warmer I have switched my dial from central heating and hot water to just hot water. The water is not heating up.

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Trustworthy Expert Solutions

My central heating turns off when i turn the hot water tap on. when i turn it off the central heating doesn't come back back on until i turn the power off and on.

1 Answer

Claude Kayser

Combi-boiler-turn hot water tap on/off and the heating stops for ...

My central heating works but I have no hot water - 24'7 ...

Does your boiler keep switching itself off? Here's why ...

Add Your Answer

Attachments: Added items

Related Questions:

I have a logic combi24 boiler installed June 2016. As the weather is getting warmer I have switched my dial from central heating and hot water to just hot water. The water is not heating up.

Boiler won't ignite for hot water unless heating is on.

Pressure gauge drops to zero when hot tap turned on

Central heating not working but hot water is ok.

No hot water,central heating is fine

I have a Biasi Riva Advance HE Combi Boiler. The pilot light and fan dont seem to be working, I can hear a click when I run the hot water tap and a click after I turn tap off,

When hot tap is turned on there is a banking noise from boiler.Have had new pump fitted and have domestic hot water and central heating.Noise continues, but not as bad as before.When heating switches on...

Water won't get hot, code c2 11

A trickle of hot water from taps, central heating ok

Central heating and hot water have suddenly stopped working

Not finding what you are looking for?

Water Heaters

I have a logic combi24 boiler installed June 2016. As the weather is getting warmer I have switched my dial from central heating and hot water to just hot water. The water is not heating up.

Ask a Question

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