The boiler is used in a central heating system to heat water that is pumped through pipes to radiators within the home.

learn more… | top users | synonyms

2
votes
2answers
339 views

How to change water filter if the only valve is before the boiler?

How can I change the water filter if the only valve to close the water supply is before the boiler? If I just close the valve and unscrew the filter the hot water from the boiler will flow back? Is ...
0
votes
0answers
118 views

How to deliver hot water from bathroom to kitchen

My appartment (and all my neighbours as well) doesn't have hot water. So I recently purchased electric boiler (80L) and placed it in the bathroom. Now I'm planing to deliver the hot water from the ...
2
votes
1answer
171 views

I think I may have fixed my boiler but how could this have helped?

I am an unbelievably "low confidence" DIYer, having only ever rented properties, which limits the stuff you're supposed to do, for liability reasons. However, we had a boiler issue where it was ...
5
votes
1answer
338 views

Is it possible to recover waste heat from a boiler?

I did a google search and came back with industrial products, but no residential prosucts. I have a System 2000 boiler and hot water tank. When the furnace is firing, the temp of the exhaust through ...
2
votes
3answers
13k views

What is the proper way to drain a boiler's expansion tank?

The expansion tank is supposed to have some air in it, but I'm guessing that mine doesn't. Let's suppose (i.e. I'm making this up in the hope that someone will correct me) that the tank should be ...
2
votes
1answer
564 views

What alternatives are there to a gas boiler for private house?

I am looking for gas boiler alternatives for private house. At this moment I have found solid fuel boiler as replacement of gas one. Could someone suggest any alternative to gas technology or other ...
1
vote
1answer
1k views

What would cause a gas fired, forced water boiler to shut down?

I have a fairly old Peerless, natural gas fired, forced water boiler. It has an electric ignition system (White Rodgers 50E47-843 Universal HSI Ignition Module). A few weeks ago it shut down (safety ...
2
votes
1answer
4k views

Potterton EP3000 -> Horstmann C27 boiler programmer wiring

I'm in the UK, using an ancient tempermental Potterton EP3000 boiler programmer, but I have a brand new Horstmann C27 which I'd like to replace it with. Apart from the mains supply, there are three ...
4
votes
1answer
6k views

Why isn't water coming out of a radiator in my freshly pressurized system?

I live in an old Victorian with three stories, plus a basement and an attic. I tried to bleed the radiators in preparation for turning the heat on, but was unable to get any water out of the radiators ...
2
votes
1answer
562 views

A boiler and a hot water tank … what is this configuration? (UK)

I'm a west-coast American living in London. I've mostly known homes with electric baseboard and central forced air heating, and a single hot water tank for showers and taps. In the UK hot water fed ...
2
votes
0answers
213 views

How do I know if my high limit and low limit are set correctly on my aquastat?

I have a boiler that is only providing heat for my forced hot water baseboard system (4 zones). I've always thought that the high limit on the aquastat was too low (the temperature on the boiler ...
5
votes
2answers
10k views

Why do the radiators in my home heating system get extremely hot?

I have a standard British heating configuration at home - there is one gas heater that provides hot water both for the boiler (and bathroom etc.) as well as for central heating. There is a small ...
2
votes
1answer
405 views

How do I insulate my Laddomat 21 boiler charger?

I have a mixing device Laddomat 21 installed for my boiler + accumulator tank. I have all pipes around the boiler insulated with pre-formed moulded mineral wool insulation, but there is no insulation ...
2
votes
1answer
191 views

Should my boiler be serviced annually?

I have a oil-fueled boiler that provides steam heat in the winter and hot water all year. Should I have it inspected and serviced annually? If so, what should such a service entail?
2
votes
3answers
854 views

Converting from Oil to Gas heat. Any recommendations?

I've received news that I'll need to get a new boiler. My wife and I want to take this opportunity to switch to natural gas from oil. I'm a technical guy, but I'm having trouble deciphering the power ...
3
votes
1answer
388 views

Is it bad/unusual for an oil burner to turn off then immediately back on?

We have an oil-fired hydronic heating system. The boiler is approximately 30-40 years old, and the system was checked and cleaned at the start of this winter. When the burner is running, you can hear ...
2
votes
3answers
6k views

Combination boiler pressure zero after heating

I generally don't notice a performance problem with the boiler, but after I run the heat to the radiators and turn the boiler off, after cooling down the the pressure gauge shows zero. I can easily ...
1
vote
1answer
772 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 ...
1
vote
1answer
197 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 ...
3
votes
2answers
414 views

Gas combi boiler - left running constantly in cold weather

I've a gas combi-boiler that is generally working fine, but we're getting some seriously cold weather here at the minute (for us anyway) and I've had the odd problem with the boiler starting up when ...
2
votes
1answer
1k views

How do I work out the CH boiler size we should have?

How do I work out the boiler size we should have? (I have been told we need a 18KW boiler for our large 3 detached bedroom bungalow in the north of the UK, is this really powerful enough?)
1
vote
1answer
82 views

Gledhill 450 Torrent RE

What is the top pipe connected to my Gledhill Torrent 450 RE thermal store? It comes out of the very top of the tank. Not on the side but right on the top in the centre?
3
votes
1answer
4k views

Should the sight glass of a steam boiler always be within the recommended range? Or only when firing?

We just had a new steam boiler installed and it is working great; all radiators are hot when the heat turns on etc. One thing I noticed though is that the site glass for the water level reads too ...
3
votes
4answers
35k views

The pilot light won't ignite on my boiler — what I should check?

We have just brought a new house and I can’t get the pilot light to ignite on the boiler, it is at least a few months since the boiler has been used. Where to I start on tracking down the problem? ...
2
votes
1answer
3k views

Should I use thread-seal tape for steam pipe?

I am getting ready to replace the pressuretrol of my oil-burning steam boiler, which provides heat and hot water. Should I use thread-seal tape (aka. Teflon tape, PTFE tape, tape dope, or plumber's ...
5
votes
4answers
1k views

Is it necessary to connect a boiler and gas meter to the main fuse box?

We are getting a new kitchen fitted. An electrical survey has been carried out by the compnay installing kitchen. they have said that, our brand new and recently fitted, boiler needs a earth wire ...
2
votes
1answer
2k views

Can I trust my pressuretrol?

My steam boiler, which supplies both heat and hot water, turned off a day or two ago, resulting in cold water. After some debugging, I found that the problem was with the pressuretrol, the device that ...
1
vote
2answers
2k views

Is basement smell caused by oil boiler?

Although dry and not moldy, my 130-year-old basement has a distinct basement smell that bothers my wife. I am trying to determine its source. We have steam heat. In the summer, the boiler is only ...
4
votes
3answers
5k views

Can I have multiple heating zones with a combination boiler?

I bought my first house in December and one thing I've noticed over the winter is higher than expected gas usage which I'd like to try and get down if at all possible. The house is a three bedroom ...