For questions regarding a central heating system for the home. The system consists of a furnace or boiler and a method to distribute the heat throughout the home.

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187 views

Why aren't my radiators heating up?

Two of the eight radiators in my house get only lukewarm. All eight radiators have been bled. The inlet pipes to the two dodgy radiators are red hot so the problem appears to be with the valves. I ...
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1answer
137 views

Why would a newly installed radiator only heat when on constant bleed?

We have changed a gas central heating radiator. It is the last radiator in the circuit. It will not communicate with the boiler and only brings hot water into the pipe leading to the thermostat when ...
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1answer
280 views

Furnace Airflow

I have central air. When the furnace comes on, we can feel air coming out of the registers for a few minutes, then the airflow stops. If we turn it off for a few hours, we can turn it on again and get ...
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154 views

Pressure level in central heating system

Recently (since last week), the pressure in our heating system (as indicated by the pressure gauge on the boiler) is dropping rapidly. We're having to top this up around once every two days. As I ...
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125 views

How to bind/pair a Sunvic wireless radio heating controller to its receiver

I have a Sunvic wireless controller and thermostat with a receiver base station in the boiler room. It became detached and I'd like to reconnect it with the controller unit. Note: this is a question ...
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1answer
141 views

Wood heating - Problems with power failures. Need some advice

My sister uses wood heating in here house. Her heating system has temperature control but of course does not work without electricity. If electricity goes off the temperature can grow ...
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2answers
439 views

Why does my central heating system comes on on its own accord?

Can anyone tell me why my central heating comes on by itself: the radiators get hot and stay hot for around 1-3 minutes then the system turns back off again. This can happen any time throughout the ...
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24 views

How can I fix a single radiator that is not providing heat? [duplicate]

Possible Duplicate: Why is my radiator not getting hot water or have air in it? All of my radiators are working, apart from one. There is heat in the pipe attached to it , but the radiator ...
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518 views

Potterton EP3000 programmer HW and CH buttons not working

I've got a Potterton EP3000 boiler and the programmer won't respond to me pressing the HW and CH buttons. It was working fine until I switched off the power to the plugs (to do some electrics). After ...
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2answers
1k views

Why does my central heating system get so much air in it?

We have an old system with a header tank in the loft. Over the last few days I have bled the radiators many times. However one section: Took a few hours until any water got to it, Its radiators ...
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5k views

Should I add a return air vent in a refinished basement?

We are refinishing our basement, and are nearing competition. The walls are drywalled, and the ceiling is dropped. There will be about 500 sq ft of finished space, including a full bathroom, and ...
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376 views

Is is possible to retrofit a wood-burning stove into an existing gas central heating system?

Our house has gas-fired central heating, but fuel costs in the winter are very high (it get's very cold here!). I've been toying with the idea of a wood burning stove. I'm wondering whether, rather ...
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169 views

How can I stop my radiators “clicking” when they're turned on or off?

I have a central heating system on a timer, and whenever the timer turns on or off, for around ten / fifteen minutes, some of the radiators in my home make regular clicking noises, kinda ...
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1answer
121 views

Can you identify this timer panel?

We have these programmable timers in our home for the Underfloor heating in the bathrooms. There are no manufacturers markings on the panel, and they're not intuitive to program. Anyone able to ...
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1answer
278 views

Is it possible to fix a leak in PP-R piping by injecting some type of substance?

I have a central heating system based on PP-R piping and radiators. The PP-R piping goes under the floor. The problem is that the pressure is droping 0.2 atm / week and I am sure there's a leak ...
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3answers
105 views

Why is my Central Heating taking so long to heat up?

I'm in the UK with a small modern, well insulated, double glazed home heated by a traditional gas boiler. My heating had been achieving room stat temperature within 30 minutes but is now taking at ...
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69 views

maxipod heat store problem

I have a heating system using a 300litre heat store tank. It is connected to solar as well as oil and a solid fuel stove. A coil provides mains pressure hot water. Oil & solid fuel flow pipes go ...
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167 views

What could cause my radiators to go cold when the hot water is turned on?

when only heating is selected on my program timer the radiators all work fine and are hot. But when both heating and hot water are on the water gets hot but all the radiators go cold. When the hot ...
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147 views

How to add inhibitor to old Potterton Kingfisher central heading system

I have just replaced a radiator and about 6m of pipework in a room we are remodelling. Works fine. The radiator instructions state that the system should be flushed with a cleaning product then a ...

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