Questions tagged [radiator]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
2 answers
53 views

Boosting the output of a central heating radiator

The indoor temperature is hovering around 20C on a regular day, I'd like to kick it up to 24C and not have to use electric radiators to supplement the heating. In this apartment there are old soviet ...
  • 263
1 vote
1 answer
56 views

Do radiator covers with low openings reduce efficiency?

I am renting an apartment that is heated by radiators. The owner put solid faced laminated wood covers with openings just at the top and bottom. I've been arguing with my spouse that these might look ...
  • 11
-1 votes
1 answer
143 views

Why is my house freezing and my gas bill astronomical?

I live in a multifamily row house in the northeast. There is a 2 bedroom, 1 bath garden apartment plus a 2 floor duplex and a basement. I am the owner and I live in the duplex, we rent out the garden ...
  • 19
0 votes
1 answer
22 views

Temporary radiator removal setup

If I want to remove a radiator for a few days or a week but did want the heat to work during that time, is it okay to simply cap the pipe stubs or is it better to simulate a radiator with a piece of ...
  • 6,825
1 vote
2 answers
50 views

How do secure a radiator to a wall, after it was already been poorly fitted

Have a radiator handing off the wall, its essentially stay in position because of its own weight. The wall behind it is plaster board over brick. As you can see the screws and plugs have completely ...
  • 292
20 votes
10 answers
7k views

Why does bleeding radiators save energy?

I wanted to bleed my radiators by myself for the first time and I was wondering what is the reason that bleeding radiators saves energy? Most of the guides on bleeding radiators mention that this is ...
0 votes
1 answer
90 views

One radiator is not getting hot (water doesn't seem to flow through it)

Central heating system is Pressurised system with Combi-boiler. My fix attempts so far: Bleeding air out of the one radiator (with a bleed key). Immediately bled water implying no problem. Checked ...
  • 111
1 vote
1 answer
56 views

Radiator elbow union plug

I would like to temporarily remove this radiator to do some drywall and painting and during that time, I would like the rest of my radiators to operate normally. The elbows, which are essentially ...
  • 6,825
1 vote
1 answer
58 views

How do I switch off the water flow of the central heating?

I have a pressurised central heating system. I am changing the radiator valve by freezing a section of the pipe. I was wondering if I have to switch off the flow of water of the central heating. If ...
  • 21
1 vote
1 answer
74 views

Change leaking radiator valve without draining

Hi I have a pressurised heating system. I need to change a radiator valve. Is it possible without draining the central heating. I have attached pictures of my pipe work. I am not familiar with ...
  • 21
3 votes
0 answers
48 views

Help me Understand Hydronic System Boiler Circulator RPM / HP / Head / Flow / System Pressure

Help me understand the correlation between boiler circulator RPM / HP / Head / Flow / System Pressure - see the particulars at the bottom. CASE: My 1986 boiler came with Armstrong S25 circ (same as B&...
  • 51
2 votes
2 answers
226 views

Electric Boiler VS Electric Radiators hard wired

My four-bed house currently has traditional heating system with a combi boiler. I am looking at ways of lowering bills due to my gas usage being well over £300 a month already and its only November! I ...
2 votes
1 answer
47 views

Only half of my apartment electric radiators come on

I hope I am in the right to place to ask for help. I am in the UK, have a small apartment with 4 radiators. They look like they are electric (no pipes running to them). This is a relatively new build ...
  • 121
1 vote
0 answers
48 views

Radiator valve part help

I recently tried to turn the valve to open it a bit more after noticing the top of my bedroom radiator was not as hot as the rest of the home. I noticed while turning, a part cracked and came off, it ...
2 votes
1 answer
75 views

Radiator suddenly stopped heating, removed TSV and it heated again, what to do?

My bedroom radiator (UK here), upstairs, heated fine until yesterday morning, when I found it cold (heating was off all night, as usual). I've removed the thermostatic valve head/knob that controls ...
  • 123
0 votes
2 answers
62 views

1 of 6 radiators doesn't get hot

Situation: 5 out of 6 radiators never fail to get hot. For the 1 defective radiator, the pipe south of the valve is ice cold leading me to believe its not an issue with air in the radiator. 3 out of ...
  • 97
0 votes
2 answers
62 views

Fitting a thermostatic radiator valve head

All my radiators in the house have thermostatic valves apart from one (which is a different style of radiator so I think it was probably fitted at a later date) Looking at the photo I think the ...
  • 363
0 votes
1 answer
92 views

How do I remove these radiators from the wall?

As per the title really. How do I release these sprung radiator holders/ clips so I can access behind the radiator? Link below as the Pictures are too big. https://tinyurl.com/bdhhp782
0 votes
2 answers
187 views

Bathroom radiator not turning off

We recently moved into a house in UK as tenants where if I turn on the heat the towel radiator keeps running despite turning the valve completely off. With winter approaching and energy prices going ...
  • 113
0 votes
2 answers
41 views

Choosing the right sized oil-filled radiator for a room?

Given a very small room, what are the drawbacks or advantages or using a 'medium-large' 2000w oil-filled radiator unit versus a smaller ~700w unit? As far as I'm aware, the larger unit, whilst ...
  • 121
0 votes
0 answers
69 views

Strange wire when connecting Wifi Relay to electrical heater

I am looking to install a WiFi relay for my electric heaters (I'm planning on connecting them up to my smart home system so that they can work on a thermostat) I was just looking to install the relay ...
0 votes
0 answers
35 views

How to Cap off Broken Hot Water Radiators in Heating System and then Pressure Test System

I'm working on a house and I want to remove a few broken hot water radiators (Freeze Damage) so I can test the rest of the system for leaks and integrity. Capping Off Broken Radiators, or run a ...
1 vote
1 answer
43 views

Corrosion on pipe?

This section of pipe has looked the same for a few years (perhaps the whole time I’ve lived here)Never seen visible leak or dampness. So am not sure if this is a leak or impending leak……does this ...
  • 13
3 votes
2 answers
79 views

Capping radiator pipes away from trunkline because of asbestos

I'm permanently removing two radiators as part of a reno project (bathroom replacing with radiant floor heat). I know that the ideal situation is to remove and cap the pipes as close to the trunkline ...
0 votes
1 answer
66 views

Can I replace one hot water radiator with electric underfloor heat?

My home in NJ, USA uses has gas-fired hot water radiators for heat. I am renovating the bathroom and will be adding underfloor heat. The bathroom has a radiator that I'd like to eliminate. I don't ...
  • 25.2k
31 votes
11 answers
8k views

Why are so many radiators installed beneath a window (at least in Germany)?

I live in Germany and I always wondered why the radiators in most apartments are installed right beneath a window. The pictures below show an example (this is an older building, but you see similar ...
  • 311
1 vote
1 answer
86 views

Are those pipes at risk of clogging or leaking?

Just moved to my newly renovated home. I found those pipes looks a bit weird. The first photo is the kitchen sink drain pipe, the p type pipe tiled a lot, will this causing any potential clog problem? ...
  • 111
0 votes
0 answers
109 views

Is it possible to repair damage to a radiators coating?

One of our brand new radiators got damaged while having some other work done. Is there anything that can be done to repair the patch where the coating has been taken off?
0 votes
2 answers
359 views

Radiators go cold when hot water running

I recently had a new Worcester-Bosch combi boiler installed together with new radiators and pipes for the entire property. The radiators heat up fine but the moment I open the hot water tap, the ...
0 votes
1 answer
42 views

repair a leak for an electrical oil heating radiator

I have a radiator that has started leaking oil, by its bolt. I assume that cause can be that metal is a bit rusty around the bolt, as it is easy to remove the paint when scratching and a bit of rust ...
0 votes
1 answer
88 views

Did Dishes with Radiator Water For a Year [closed]

The valves connected between my (serpentine) hot water tank and radiators is broken. Moreover the serpentine is broken and hence the hot water for showering and doing the dishes has been cross-...
0 votes
1 answer
225 views

Can I put a radiator on the wall behind a toilet?

I'm thinking of layouts for a bathroom reno, and wall space is at a premium. There is an existing recessed hot water radiator along one wall and I'd like to place the toilet in front of it. Because ...
  • 25.2k
0 votes
1 answer
423 views

Rust on Bathroom Radiator (Towel Rail)

I've a 36 Month old Bathroom Radiator (towel rail) that is connected to the central heating system and has started 'growing' rust (see pictures). Is there any method to remove the rust & stop this ...
  • 135
5 votes
1 answer
159 views

Question about bleeding baseboard heating

I have a house built in 1949 with baseboard heating (5 loops), and I don't seem to be able to find any bleeder valves at the baseboards themselves. One of the loops in particular is making an awful ...
  • 51
0 votes
1 answer
62 views

Saving energy with wall-mounted boiler and radiators

I have a wall-mounted gas boiler and four radiators around the house in different rooms and locations, and the thermostat is in the living room. I wonder should I close all radiators except the one in ...
0 votes
1 answer
143 views

Correct wiring for second thermostat

In a previous question on here I was trying to figure out why my basement radiators weren't working. With everyone's help I was able to figure out that the zone valve on the pipe which came from the ...
2 votes
1 answer
305 views

Single pipe steam radiator barely heats up - is there a way to flush/unclog it without taking it apart?

I am renting this apartment, so i rather keep the Work as less invasive as possible. I have several single pipe steam radiators (could as well be the cast iron type). One of the radiators heats up at ...
6 votes
1 answer
966 views

Newly purchased home, basement radiators don't work

we purchased a home a few months ago and now that winter rolled around, just realized the radiators in the basement aren't working. And I apologize for the long post, tried to explain everything I've ...
0 votes
0 answers
46 views

Filling large hole to screw/drill into again

I have a radiator which was not on properly. I tries tightening the screws but the original plaster just gave way. I filled it with 2 products (polycell and ronseal) which both claimed they could take ...
2 votes
5 answers
556 views

How to balance hot-water heating system when farthest radiator stays cold

Is there a counterpart to the advice given in this video except for late 1940s-era convector-style radiators which do not have a valve on their return and have only an air-bleed-valve? Basically a ...
  • 902
0 votes
0 answers
26 views

Preparing for steam boiler maintenance

I've just moved into a new house with radiator heat/steam boiler, and there seem to be a few issues (loud banging noises on startup, one radiator leaking). I have a maintenance person coming out next ...
3 votes
2 answers
747 views

What is this kind of radiator bleed valve called?

I managed to shear off the middle bit of my radiator bleed valve yesterday, just by turning it with a key. The bleed valve went into a hex nut, which is ~11mm across. I don't absolutely have to ...
  • 215
0 votes
1 answer
76 views

Recommended pressure in hydronic radiator closed circuit

What is the recommended pressure in a hydronic radiator closed circuit? By "closed" I mean there is a valve to fill it and then it can be closed, after which the circuit is not connected to ...
  • 6,825
2 votes
2 answers
2k views

Filling in gaps around radiator pipes

So I've been sleuthing on here for a minute to find an answer to my special quirk here but couldn't find it so now I'm asking. So I have some annoying holes near my radiators but they connect downward ...
  • 21
0 votes
0 answers
45 views

Home hot-water radiator, high-heat paint vs not, water-based primer for oil paint

Two-part question: I have a home radiator that I have cleaned up to repaint. I was unsure if I can use regular enamel paints or is High-Heat required? I have seen answers both ways on this. The ...
  • 190
0 votes
1 answer
485 views

How to disconnect water radiators with both pipes on the same side?

I have water radiators where the in/out pipes are connected on the same side, and I can't find a guide online to explain how to disconnect those (all videos I find have 1 pipe on each side) What I ...
  • 109
1 vote
1 answer
100 views

Vertical radiator on single stud?

I have an internal, decorated plasterboard wall (aka drywall outside UK) with poor studding: 120cm from its left end, there is a 22mm wide (i.e., as measured horizontally parallel to the wall) stud, ...
  • 243
1 vote
2 answers
110 views

issue with closed loop hot water heating [closed]

So I have an 1880s Victorian in Boston that is proving to be quite the adventure. I'm new to this, so hopefully I am using the right words. I have a four zone hot water heating system with radiators ...
-1 votes
1 answer
289 views

How can I increase boiler system pressure so bleeding 3rd floor radiators is easier?

It is very difficult to bleed air out of my 3rd floor radiators. I need at least 23 pounds according to the gage on the boiler, and ideally closer to 30 (but not too close!), to speed things up. The ...
  • 25.2k
1 vote
1 answer
245 views

Baseboard radiator pipes running along edge of room

My house has baseboard radiators (water, not steam if it matters) and one room has the piping enter at the southwest corner, run all the way along the west wall, then feed the heaters on the north ...

1
2 3 4 5