Questions tagged [radiator]

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3answers
5k views

Would upgrading hot water radiator heating result in much better efficiency?

My wife and I are thinking about buying a funky old house where we live, in southern Ontario, and trying to prioritize upgrades. There's a lot of knob and tube to replace -- top priority -- and some ...
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2answers
288 views

Dart in the radiator… How do I fix it without replacing the radiator?

So I was playing darts with my friend, and below the dartboard is a radiator. Anyway long story short the dart went into the radiator and now water is spraying everywhere out of it. I managed to ...
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3answers
4k views

Is there a tool that can clean the fins of a base board heater?

I have baseboard radiators in a new home (built in the 50s) and the fins are filled with lint. Vacuuming isn't pulling the stuff out. Is there a tool that can help with this? Thanks
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2answers
44 views

Replace radiator mains and reduce electrical consumption

I have recently converted from oil to gas in my 2500 sqft 1930s era Home. We have a hot water radiator system. We left the original radiator main pipes and risers. They are large pipes 3” mains. and ...
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0answers
59 views

How do I move a radiator about 15 centimetres?

I can remount the brackets no problem, but may have to extend the pipes on both sides. How do I do it, and how hard is it?
2
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1answer
513 views

How do I turn off this two-pipe steam radiator?

We live in an NYC apartment with steam heat. The noise of this radiator is driving us crazy because it's in the bedroom. We want to turn it off. The solution seems to be to shut the intake, the same ...
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1answer
79 views

cannot get last radiator on the line to heat up

All radiators but one are toasty. The cold one is up on the second floor, and is the last one on the line, farthest from the boiler. It has been bled of air. It shoots out a thin stream of (cold) ...
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1answer
174 views

Missing control knob for bathroom radiator

I recently moved to a new house that has a bathroom radiator, but the temperature control knob is missing. The problem is that I don't know the type, brand, and model of it to search for a replacement ...
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1answer
45 views

When the radiator is leaking and it's throwing out water

Could the vapor that comes out of the radiator be harmful to a person. The room got full of yellow brown spot all over the walls.
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2answers
186 views

Why can't my radiator heat up my bedroom?

My living room, 3.3m x 4.4m, is easily heated up by a double panel, double fin radiator. My bedroom on the otherhand (2.7m x 3.9m) struggles to be heated by double panel, single fin radiator. It ...
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5answers
137 views

Do I need to reuse these radiator connectors, or should I get new ones?

I have finally got around to removing an old damaged Stelrad radiator - I have an identical one waiting to go on the wall but despite using a fair amount of force, the connectors don't appear to want ...
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3answers
66 views

How should I remove corrosion like this from radiator connections

In the process of replacing a radiator and there is a fair amount of corrosion around the connections. I plan on scrubbing as much off as I can with sandpaper or steel wool, but is there a ...
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0answers
183 views

bleeding radiator without access to the bleeder valve

I've got a cast iron radiator where the end with the bleeder valve is shoved up against a wall. Is there any other way to bleed a radiator? Supply and return pipes are at top and bottom of the ...
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2answers
8k views

Why is my radiator not getting hot water or have air in it?

All except one radiator are working fine. The one that stays cold is in the room with the thermostat, so the system keeps running more than it should. I tried bleeding it and just water came out. I ...
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3answers
3k views

Bleeding a Cast Iron Radiator with No Bleeder Valve

I am having an issue with a single cast iron radiator where it is not heating up at all. All other radiators are working fine in the apartment. A lot of people suggest bleeding the radiator, however, ...
2
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1answer
655 views

Water radiator system has single loop instead of flow & return pipes — does this make sense?

I have a hot water heating system connected to several radiators throughout the house. While all diagrams I have seen of radiator plumbing have a separate flow and return pipe, this one has a single ...
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2answers
105 views

Convert section of radiator pipes from rigid pipes to flexible pipes

I am looking to purchase a treadmill to use in my basement hut the location I want to use it has radiator pipes in the way. I am wondering if it would be possible to replace the pictures section of ...
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1answer
1k views

How do I permanently remove a steam radiator?

I have a steam radiator in my apartment that I would like to completely remove, because: I want to use the space for something else my apartment is too warm it makes a loud hissing noise when it's on ...
0
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1answer
348 views

Bleed radiator in to jug, frothy bubbles on the surface of the water

I bleed 1/2 litre from radiator into a jug, frothy bubbles on the surface of the water, does that indicate air bubbles trapped in the water or is that normal ? Also the water is clear but slight ...
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1answer
272 views

How do I force pump to force supply to radiators at top of house,

If I want to force pump to direct all its attention to radiator in loft to see if I can get them hot. Will simply turning down the thermostatic valves for all the other radiators have that affect or ...
0
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1answer
90 views

Is it safe to put a radiator pipe through a load-bearing brick wall?

I am getting a new radiator installed to replace an old ones. The pipes came from room next door and existing pipes were unsightly, partly because they came through bottom of joist/floor/bottom of ...
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2answers
843 views

How does water travel through a modern column radiator

I.e is there a single route going up and down each column, or does it travel along the top/bottom left to right. My radiator has twenty set of three columns, would be good to see the inside of such a ...
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1answer
473 views

Would pipe from radiator to bottom of hot water tank be supply or return?

I have one radiator that does not work at all (although it has worked in the past). Unlike all the other radiators that come directly of the main supply and return pipe from the boiler I can see that ...
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1answer
42 views

How do household radiator thermostatic valves work

I'm unclear how thermostatic valves work. If set to 5 does that mean it continues letting in hot water into the 1. radiator regardless, or does it stop when it detects the 2. radiator is a certain ...
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0answers
50 views

Is it usual/desirable for main supply pipe to be larger than radiator pipes

I have been looking at the layout of my central heating. Because my house is old it has solid ground floor and solid internal walls. Boiler is on ground floor but supply and return pipes go into ...
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3answers
343 views

what kind of radiator is this? Can I build a wood cover for it?

There is a thin pipe coming from wall on the left that attaches to this metal filterlike coil thing. This coil thing is this very dirty, is it a filter? The dirty filter thing measures 1.5" thick, 8....
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1answer
901 views

What is the principle behind lockshield valves?

I've read that radiator lockshield valves are used to "balance" radiators so that they warm up at the same speed, but I don't quite understand the principle of how this works. If the main ...
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1answer
94 views

Installing UK/EU electric radiator in USA… 50/60Hz significant?

I've currently got several Cadet RM162 Registers (in-wall heaters) in my home. They're powered with 220VAC power. I'm curious about the challenges of converting some to the sort of electric radiator ...
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1answer
1k views

Hot water radiator valve leaks

The attached picture shows the valve on a hot water radiator that leaks and the arrow points to where it leaks. It drips about one drop a minute. It feels like a quarter turn on that nut might fix ...
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1answer
4k views

Rapid loud tapping in wall adjacent to radiator- when tenant above adjusts

Hello and thank you for your reply. I have a very loud and at times rapid tapping noise in the wall. The apt building is 2 stories high, I am located on the bottom floor (end of the plumbing line). ...
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1answer
314 views

Do radiator covers harm heating efficiency?

I am considering radiator covers, maybe wood slats with a foil back that will prevent towards-wall radiation. How much will this harm the heating efficiency of the radiators?
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2answers
204 views

Is 68F too low for hot water heating thermostat? Final radiators not getting heat

I have a hot water heating system. It's a single loop in a ranch home. The ground floor is about 1500 square feet. When the oil furnace turns on, the first few radiators in the loop get warm, but the ...
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2answers
3k views

What is the impact of a backwards connected hot water radiator?

When building a hot water heating system the plumber has connected one of the hot water radiators backwards, i.e., the loop comes in at the bottom of the radiator and leaves the radiator on the other ...
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1answer
310 views

I lowered the pressure on my boiler and it flooded

We have single-pipe steam in our four unit building. We installed Danfoss RA 2000 valves in 3 of the 4 apartments but they seemed not to work too well and also tended to spit water from the air valves....
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2answers
852 views

What is the difference between EU and US radiators?

I have a single-zone hot water radiator system and I was looking to balance out differences in room temperatures without going so far as to install another zone at the boiler. While there are ...
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1answer
117 views

How can I have the water running to increase pressure on my boiler?

I have just perform a radiator bleeding following youtube video but the pressure dropped to zero in my boiling system vaillant ecotec pro, have a permanent red light in addition to the normal green, ...
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0answers
553 views

How do I open this radiator TRV valve?

The radiator is cold at the bottom and I suspect that the pin is stuck. I bled the radiator and there was no sludge.
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3answers
5k views

Where to place a radiator under a window seat?

I have a bay window in which I want to build a window seat like this: However, a radiator is currently attached to the wall underneath the windows, with a radiator cover (the typical board with ...
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1answer
44 views

I have a combi boiler and since yesterday the radiators are getting really hot even when thermostat is turned right down

Radiators getting hot even when thermostat is turned right down. Its a Worcester combined boiler
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1answer
4k views

What could be causing the humming sound in my hot water radiator?

The cold weather is here and yet again I have the same problem: humming radiators. I have done a lot of web searching and forum reading and not found any solution. The system is an oil burning ...
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11answers
144k views

Why is my hot water baseboard heater not heating?

I have classic cast iron radiators in my house and then one "modern" one pictured below. It was installed in the 80s from what I know. It doesn't seem to produce much heat at all. It is properly ...
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1answer
59 views

Gas combi boiler raditator flushing to clear dirt

When I flushed my radiator, I have noticed that there is lots of sludge in the water. In order to remove the sludge from the heating system, I would like to Turn off the Worcester gas boiler Open ...
0
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1answer
117 views

What causes the noise coming from this radiator valve?

There's a hot water wall-hung radiator in my kitchen that produces a constant ticking noise when water is flowing. The noise is coming from the valve area, removing the thermostat does not influence ...
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1answer
835 views

What wire should be used for modern thermostat

I may (or may not) be pulling new wires to support current-generation thermostats.... Upgrading the thermostats themselves seems a good time to upgrade the wire too, though I think I could get by on ...
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0answers
95 views

Loud buzzing from hydronic gas boiler

I have a 105K BTU Raypak radiator boiler, similar to this one but a slightly older model (I guess mine is about 15 years old). The boiler heats and pumps hot water to 8 radiators throughout the house. ...
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6answers
1k views

How should I attach a slab of soapstone to iron shelf brackets?

I have a 1'×3' slab of soapstone that I'm placing on top of my radiator, creating a shelf: The radiator bears most of the weight, but the stone isn't stable on top of the radiator (the individual ...
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0answers
292 views

single radiator whistling and whirring on and off (hot water system)

As the question stated, I have a single radiator whistling and whirring on and off and I am trying to understand the cause, so I can stop it. It is a fairly high pitched whistle/whirr/squealing sound. ...
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2answers
1k views

The hot water is working but the radiators will not heat up!

We have a Utica Boiler model number SFH4150WT and we are receiving hot water but the radiators do not heat up!!. We tried bleeding the radiators, they only heated up a little bit but after about 5 min ...
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2answers
1k views

Why are my water/radiator pipes whistling when I shut down the heating system?

With winter coming up, I started to heat the house and for the first time the radiator pipes are starting to whistle when I heat and then shut down the system. I have a big house and I need to shut ...
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2answers
15k views

Why does a single radiator need regular bleeding?

Almost all of the radiators (forced water) in my house heat up fine. However, a single radiator needs regular bleeding (~1/day) in order to heat. Note, this radiator is not at the highest point in the ...