Questions tagged [radiator]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
1answer
2k views

Is their a Radiator Safe expanding Foam?

So I live in an apartment building and I have a Bug problem, go figure. I have had my place sprayed repeatedly to try and get rid of them, but within a few weeks they're always back, worse than when ...
1
vote
1answer
65 views

Can I use my old radiator valves when replacing the radiator itself?

One of my Stelrad K1 radiators has died (corroded enough that there is a hole into it, and it's full of sludge and rust) so I'm going to replace it. It's a standard model, so should be a straight swap ...
0
votes
1answer
3k views

How to clean gray paint from copper pipe for push-in fitting?

I currently have old radiators and connected 1/2" copper pipes that were painted in grey color long time ago (assuming when heating was put in place). One pipe has developed a leak and need to replace ...
2
votes
2answers
1k views

Right way to disassemble radiator piping?

I have an old house with a radiator system, and am needing to take a radiator out. While some of the radiators in my house have nuts on both ends of the radiator, making it easy to remove, this one ...
3
votes
1answer
2k views

Banging pipes/radiator

I just moved into a new apartment and the steam heating is driving me insane. There are three kinds of noise: banging pipes when the heat comes on (seems to be coming from the floor/walls); hissing ...
1
vote
1answer
52 views

Chromalux Electric Boiler Replacement for Radiator System

I have an old chromalux electric heater heating my radiant heaters. Would it be more cost effective to replace it with a gas fired boiler? - and would I have to replace the rads or just tie into them?
0
votes
1answer
162 views

Electric panel radiator won't turn on but it is warm where the gauge is

I have bought this house from 78 and it has nobö electric panel radiators 400V. I tried to turn them on for the first time but they won't turn on. The interesting thing is they are a bit warm where ...
2
votes
2answers
448 views

Why is one radiator TRV in the house missing the control?

My house had a new gas central heating system fitted, with new radiators, before I moved in. One radiator (in the tiny downstairs WC) is missing the control knob for the TRV, and is set to the highest ...
2
votes
2answers
258 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 ...
4
votes
2answers
44k views

How long should water come out of a radiator whilst I bleed it, if the radiator is isolated?

Trying to isolate a leaking radiator. I've closed the locksheild valve by turning it clockwise until it tightened and set the thermostatic valve to 0. I've just tried bleeding the radiator to check ...
0
votes
1answer
117 views

Need to purge air from every radiatior?

I have a gas fired hot water central heating system. Water is circulated by two zone pumps at the furnace. There is an automatic fill valve. I recently had work done on the heating system, and the ...
0
votes
1answer
241 views

Why are only 2 of the 14 posts in my radiator heating up?

I recently changed from oil heat to gas. All the radiators work in my 2 story home except for one on the first floor, which heats 2 out of the 14 posts. I changed the valve, which didn't work. Then I ...
1
vote
1answer
70 views

Boiler Resevoir Slow Leak

I'm a new home owner. My house is heated with steam radiators attached to an oil fed boiler. The boiler is getting close to retirement. One concern I have is that I need to drain water from the ...
3
votes
1answer
3k views

Fitting a thermostatic valve onto a towel rail

I've got a towel rail in my bathroom that is heated from my combi boiler. I'd like to fit a TRV to the towel rail. Is there any reason why I shouldn't do that? Should I buy a specific type of TRV, or ...
6
votes
3answers
3k views

What type of paint and how many coats should be used to paint a radiator?

We've moved into a new house with a fairly incompatible sense of interior design. To illustrate one room in particular, the walls are orange, the floor to ceiling shelves are orange, the fireplace ...
9
votes
2answers
2k views

What is the purpose of the valve between these two pipes?

I saw an interesting arrangement of pipes and valves in a house I visited. These are hot water pipes, the two vertical pipes connect to a radiator. What is the purpose of the valve between the two ...
0
votes
2answers
3k views

Refurbishing badly painted, rusty radiator

I'm trying to refurbish a radiator which is in pretty poor shape. The paint was all cracked and yellowing, and having sanded it, there's rust patches underneath. It's been painted badly in the past ...
1
vote
2answers
2k views

Is this Radiator handle/valve a replaceable part? Do I need to drain the system first?

Perhaps a stupid question... The ON / OFF valve on one of my 1900s radiators does not turn. Pictures below. The radiator is in a permanent "hot" state. Is the "valve" (handle and "small nut") ...
1
vote
0answers
99 views

Should I leave water in my galvanized radiator pipes when permanently removing boiler?

I have switched to using a ductless heat pump for heating and am planning on removing my gas boiler but leaving the hot water baseboard radiators and 65-year-old galvanized pipes (in the crawlspace). ...
1
vote
2answers
184 views

Insulated radiator foil

I'm concerned that the insulation/ cardboard foil that's behind my recessed radiator is asbestos. My house was built in 1960. Does anyone know if they made that stuff with asbestos? Before purchasing ...
1
vote
2answers
332 views

How do I plumb radiators in an off grid cottage?

I have a cottage that is off grid. I want to plumb radiators on it that wont use a pump, or minimise usage of a pump if at all possible. What is the best way to do this? Hot water tank is raised to ...
3
votes
2answers
3k views

How can I stop my boiler from making all this noise?

I'd like to preface this post with the fact that I'm a complete diy amateur. I may say stupid things, or things that make no sense. Please feel free to correct me as I'm always open to learn. So, ...
1
vote
1answer
127 views

Second floor radiators only heat with all other radiators off

I have 2 rads on the second floor that will get hot water flow only when I stop all flow to the other rads on the system. Even then, the flow is very low. I have had this system for 10 years and ...
1
vote
3answers
3k views

Can I build storage in front of heaters?

We're in an NYC pre-war apartment building. Under every window, there's a built in radiator: Each has a knob that supposedly shuts the radiator off but it doesn't always work. Meaning you can ...
1
vote
3answers
9k views

Why don't my Radiators get hot?

When I turn on my heat, the pump attached to the boiler comes on but the pipes don't get hot and the radiators never do either. I've bled them and believe they are hot water radiators (since there ...
2
votes
0answers
104 views

Why are certain radiators hot during the night when the thermostat is very low?

We have a gas central heating system and we have set the thermostat to come on at different temperatures during the day. Generally between 7.00 and 22.00 it is set between 19 to 22 centigrade. From 22....
1
vote
1answer
156 views

Changing radiators to radiant wall heating

In my bedroom/study I have only a radiator as heating. The problem is that the water flow is controlled by the thermostat in the living. This means that around wintertime my room has a big change in ...
4
votes
4answers
14k views

How do I repair a small leak in a steam radiator? Could this be a big problem?

One of my steam radiators has a small leak under the bottom. No hole is visible, but water drips out at a rate of a few drops per minute. Various websites suggest applying a 1 mm thick layer of J-B ...
1
vote
1answer
59 views

Are large radiators supposed to be colder?

I have a radiator in my room which is downstairs. It is a large radiators, almost 2 meters across. It is 10 degrees colder than the other radiators in the house (mine is 37 others are 47, tested with ...
6
votes
2answers
2k views

Are radiator reflectors as effective as claimed?

I recently completed a survey to determine the energy efficiency of my home. The results weren't great but got me thinking about the quick and affordable things I could do to improve things and ...
4
votes
3answers
12k views

How do I remove the head off this Giacomini thermostatic radiator valve?

How do I remove the head off this Giacomini thermostatic radiator valve?: Click for larger view I was expecting part of the white bit to twist off easily, to reveal the inner pin on the valve. It ...
0
votes
1answer
211 views

Old recessed radiators with reflector foil

I just bought a home built in 1960. It has old recessed radiators. I've noticed that behind the radiators is some sort of reflector foil which I'm guessing is backed with insulation. Should I replace ...
2
votes
2answers
10k views

Why is noise coming from our hot water radiator even when it is off?

I own a condo and the heating is from a hot water radiator. We have a hot water radiator at the living room and there is quite a noise (some clanking but mostly like water running on a pipe) coming ...
4
votes
1answer
365 views

How can I run plumbing from house to a nearby new office 1.5m away?

I am building a new office next to the house; it is about 1.5m away. I need to run, from the house's upstairs bathroom, 1 hot, 1 cold, and radiator with return (all of which I believe are 28mm to ...
2
votes
4answers
24k views

Why can't I bleed my radiator?

I am living in an apartment in Belgium. My bedroom radiator is basically useless; it's about 1m long but only the left 10cm ever gets warm. I have been told to bleed the radiator by opening the valve ...
2
votes
1answer
37k views

How do I bleed baseboard radiators without a bleeder valve?

I recently bought a newly remodeled 1950's era house about two months ago. It has a Weil Mclain fuel oil boiler that provides heat to four different zones (loops) in the house. Each zone has a couple ...
2
votes
2answers
87 views

Can I heat a radiator directly?

I understand the workings of steam and hot water radiators, however there has been a nagging question in my mind about why we first heat water (for steam or hot water) before we heat the radiator. Why ...
9
votes
2answers
2k views

Should I insulate steam pipes in the basement?

I have a steam-radiator heating system. The furnace is in the (unfinished) basement, and the steam-carrying steel pipes spread out across the basement ceiling before going up into the rest of the ...
0
votes
2answers
190 views

Fixing metal grille on a wooden radiator enclosure

My kids tend to be rough when playing in the living room and have banged up the metal mesh grille on our wooden radiator enclosure. Does anyone have any tricks to bang out the dents? Or will it be ...
0
votes
3answers
87 views

Can forced central air be retrofitted with central humdifier?

Several homes I'm considering have central air conditioners, but radiators or baseboard heaters. Is it possible to use the A/C ductwork to provide humidity to the home? I assume most central ...
1
vote
0answers
3k views

Water not circulating in one radiator on a hot water boiler

My boiler has 4 zones. Zone 1 is the bottom floor. There are two radiators in zone 1. I am replacing one of them, an old baseboard radiator, with a cast iron with similar BTU. We hooked up the new ...
9
votes
1answer
55k views

Why is my radiator hissing?

I've never had a radiator before, all central air for me, but I'm living in an apartment that has them now. All of the radiators in my apartment have been hissing, and pouring out steam from the "...
1
vote
0answers
121 views

Why are some radiators hot when the system is off?

Yesterday I drained my heating system so I could cut the pipes on one radiator to raise it. After refitting, I filled and bled all the radiators and they were all working. When I got up during the ...
1
vote
1answer
1k views

Radiators don't heat up evenly, and am missing an Expansion Vessel. Do I need it?

I have a new Worcester 40CDI Regular Boiler that does not come with a built-in expansion vessel. I just discovered that the installer did not install an external expansion vessel either. For HW, I ...
1
vote
1answer
50 views

Is there a problem in adjusting the radiator setting too often?

I just brought two small Ethernet-type cards, so I could start a project to control the single radiator in my student accommodation over the internet. (#EngineeringStudent) Now, the when I came back ...
0
votes
1answer
3k views

Why does the pipe to my radiator get hot, but the radiator itself doesn't?

I have multiple radiators in my apartment, and all except one work. Unfortunately, it's the one in my bedroom! Brrr! The pipes to and from the radiator are hot to the touch, and I can hear water ...
1
vote
2answers
4k 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 ...
2
votes
1answer
4k views

How can I repair a radiator bleed valve that fell out?

I over-tightened the bleed valve on the radiator and it fell out! It seems to look like a screw but I can't seem to get it re-attached, luckily it's locked so not leaking. I can't see well enough to ...
1
vote
1answer
294 views

How can I make the radiator heat my room more efficiently?

In my room at Uni my radiator gets really, really hot, yet the room stays pretty cold. Is there anything I can do to make it more efficient without losing my deposit?
1
vote
1answer
1k views

Water supply valve to closed radiant heat system on or off?

I have a closed radiant heat system, meaning a boiler with a pump, radiators and piping. After the intake valve, there is a pressure reducer and a backflow stopper (both bell shaped). Yesterday, ...