Questions tagged [radiator]

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2answers
52 views

issue with closed loop hot water heating

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 ...
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1answer
37 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 ...
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1answer
25 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 ...
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0answers
17 views

What is the effect on baseboard heating capacity of running the return pipe within the enclosure?

Baseboard radiators can be installed with the return pipe running within the baseboard enclosure itself. While this is a configuration explicitly supported by manufacturers I can't find any hard data ...
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4answers
37 views

Adjusting Steam Radiator

We recently moved in to a 1934 home with steam radiators. Our upstairs bedrooms are cold compared to the first floor. A room adjacent to our kitchen is generally warmer than the rest of the house. Can ...
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2answers
87 views

Why I am having eye irritation problem with oil radiator in my home (in India/Asia) when I never had such problem in Europe

I used to live in Europe, and I loved electronic oil radiators as well as central heating. This year, I decided to buy an electronic oil radiator for my home in Delhi, India. But whenever I use it, my ...
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2answers
79 views

Is there a reason I shouldn't use an oil radiator to heat a 1400 sq ft (130 sq m) space? (Why do commercial buildings use electric air heaters?)

I moved into a studio apartment in a commercial building turned residential. It has this kind of heater— —which I believe is an electric air heater. It's loud as hell. Everything I'm reading says oil-...
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2answers
98 views

How do I bleed a very old radiator and identify whether my system is steam or hot water?

All radiators are heating except one, so I'm trying to bleed it. There doesn't seem to be an obvious bleed valve (unless it's that nondescript, frozen, simple bolt on the top front corner of the left ...
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1answer
55 views

Extra powerful boiler short-cycling and overfilling

I have a gas powered steam radiator heating system with 8 radiators in the entire house. I replaced my old heating boiler with Crown Bsi138enpzzpsu 138K BTU which is way too powerful for my house. My ...
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1answer
35 views

Best way to temporarily relocate a radiator?

I need to move a radiator a few feet along a wall for about a year or two to avoid some furniture, and then move it back to its original location. I'd therefore like to avoid having to lift all the ...
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2answers
67 views

How to turn on a Honeywell gas heater

I am trying to understand how to turn the heater on in our unit. There is a thermostat on the living room wall that looks like this: And there is a trapdoor below the heater in the wall looking like ...
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2answers
99 views

Radiator behind sofa - Box Design

Unfortunately, the only place we can have a sofa is in front of the radiator and the radiator cannot be moved. I am thinking about building a box around the radiator to achieve the following: The ...
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1answer
649 views

Bleed radiators with no valve - is this valve near the boiler what I want?

I recently bought a house, and with the winter starting to set in (UK), have started putting the heating on in the mornings/ evenings. As many people are at the moment, I am currently working from ...
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2answers
50 views

Will this isolating valve allow me to change a radiator valve without draining down?

One of the valves on my radiator (circled in red) has seized and my attempts to open it have snapped off the flat part of the head, so it now needs replacing. My plan is to turn the isolating valve ...
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2answers
82 views

Element wattage for electric radiators

I'm looking for clarity about electric towel rails/radiators and wattages. Hope you can help. I want to connect a heated electric only towel rail into a circuit that has a smart home 'puck' switch ...
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2answers
32 views

Radiator leaking from valve-less end

The radiator in my living room is slowly leaking from one of its ends; curiously it's not the end connected to the inlet or outlet pipe, nor the one where the vent valve is, but the fourth one. ...
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3answers
50 views

Updating baseboard radiator

My house was built in the 50s and I believe the baseboard radiators are original. We just bought the house and I went to go clean them. I realized most of them are rusty and painted over making them ...
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0answers
29 views

How to identify Direct Return vs Reverse Return Pipe

Is there an easy way to tell if a hydronic heating system has direct return pipe or reverse return pipe?
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3answers
95 views

Thermostat location in 3 story building

Where would you place the thermostat in a single zone, 3 story building. Tt's a multi-family residential, 3 units, one unit per floor. The boiler is a high-efficiency condensing boiler in the basement,...
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0answers
17 views

Closet installation of gas boiler

We have a gas-fired steam boiler (Williamson Thermoflo GSA-150) that heats our house. We're finishing the basement and would like to close off the boiler and water heater (also gas) in a small room. ...
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1answer
32 views

radiator starts banging seconds after turning on the valve

I even made a video - https://www.youtube.com/watch?v=xiCzXr59p6E Do you guys have any idea what could be the reason?
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1answer
285 views

Loud knocking noise in house with radiators and old plumbing

I'm staying in a three story home with radiators and old plumbing (probably copper). I'm a guest and it's a rental with a management company (they fix a few things here and there but not most things). ...
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1answer
31 views

Replacing cast iron hot water floor standing radiator with wall mounted type

How does one size the replacement radiator to approximate the old radiator output, or should I just do a heating btu calculation from the room dimensions?
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1answer
3k views

Baseboard water heat not heating one room; Rest of zone/house is good

I have a baseboard water heating system set up in three zones. One zone consists of two bedrooms and a bathroom at one end of my house. The thermostat for that zone is in the hallway connecting the ...
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1answer
56 views

upstairs radiator not working

upstairs radiator not working - all others are ok - valve on one end Therm controller on other - took a spanner to the valve and ensured open - still will not come on - what could the problem be?
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1answer
76 views

Why do radiators need bleeding? Where does the air come from?

I had to bleed a radiator for the first time recently. This made we wonder where the air that gets trapped in radiators comes from. I'm not looking for a specific cause for my own heating system, ...
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2answers
952 views

PEX pipe burst: what else needs to be fixed to prevent it happening again?

I'm a renter in NYC and our 4-story building has recently-installed (within the last 8 years) baseboard hydronic heat. All of the tubing is PEX, except for from the boiler itself (as required by code) ...
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1answer
46 views

Heat shielding paper under radiator cover?

What am I looking at here with this paper-ish material on the underside of all my radiator covers? They are pretty old covers, but I don't believe they are as old as the house (1923). Is this... dare ...
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3answers
1k views

Can I replace hydronic water boiler return pipes with pex?

My house was built in the 1920s, the heating source was a hot water/radiator system. Originally the basement was probably used only for a coal furnace (we have the drop-off door that the coal guy used ...
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2answers
64 views

Painting central heating radiator

I would like to repaint a standard UK tired looking central heating radiator to a copper looking colour. My question is how to strip the current white paint really? Please see the photo attached. I ...
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1answer
341 views

Cold air under base board heat from floor

My wood floor doesn't go all the way to the wall underneath the base board radiator. I have a draft coming from that section. - what can I put down to stop the draft and looks nice.
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1answer
44 views

Diagnose cold radiator

I recently moved into a new place which has two floors. It is heated with hot water and the heater gas-powered heater is in the lower floor. There are two radiators in the upper floor that stay ice-...
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2answers
72 views

Can't shut off towel heater?

I've just moved into this house and there is no way to twist these two knobs. How do I shut off this towel heater?
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0answers
34 views

Not getting Water from Radiator

I moved into my home a few months ago and suspect it's been quite a while since anyone bled the radiators. I've been going around bleeding them for a few days and I'm still getting a lot of air out of ...
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1answer
154 views

What type of radiator/baseboard is this?

Hi, My home was built in 1950 and has the following radiators throughout the 1st and 2nd floor. The basement has water baseboard heating with a single copper fin line. Lately I have been hearing a ...
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2answers
52 views

What is this radiator vent used for and how is it used?

My place has a steam heater. On its right side, there is something similar to radiator vent It has a pin movable anywhere in the middle slot which is about a half circle. I was wondering what it is ...
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2answers
148 views

Most efficient way to improve my house's heating

I live in the mid-Atlantic in a 100 year old house, and I'm looking for a way to reduce my heating bill. Last winter, I left the thermostat at 68F, and our gas bills were incredibly high, despite ...
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1answer
76 views

Gas combi boiler removing radiator

I'm doing some decorating at home and needed to remove the radiator. I still need to be able to use the gas heating throughout the house while the radiator is off. I closed the TRV and lockshield ...
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1answer
92 views

How to safely remove this old hot water radiator?

I want to permanently remove the radiator picture belowd. The home has been retrofitted with central air and a few mini splits and the radiators are no longer in use. The boiler has been removed from ...
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1answer
88 views

Trouble understanding my heating system

Hi, just moved to this new place and I'm struggling getting the right temperature for hot water and heater. Could anyone help me understand the direction and source of each pipe? I guessed some of ...
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3answers
2k views

Part identification: Thermal cutoff within baseboard heater

We had a contractor paint our baseboard heaters with white thermal paint. He gutted the radiator's electrical components, in order to prepare the chassis for painting. In doing so, he snipped what he ...
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2answers
6k views

Are black marks on the wall over a radiator cause for concern?

I'm looking to purchase a home that has a hot water system. This home shows black marks above the radiators on the painted walls. What does this mean and should I be concerned? The previous owner ...
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2answers
53 views

Radiators no longer heating up after cold weather

I have a Worcestor Danesmoor boiler that lives in a stone outhouse and heats the water and radiators in my house. The heating is set to come on at certain times of day, but during some recent cold ...
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0answers
24 views

convector hot water radiator in far bedroom doesnt work on second floor

far bedroom radiator isnt warm while other rooms convector radiator works fine. cant find any valves in basement or near radiator. any assistance would be greatly appreciated.all pipes leading and ...
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1answer
97 views

Why does my radiator only come on when other radiators are on too?

We've just fitted smart TRVs and since doing so we've noticed that the radiator in our bedroom is usually cold, even though according to our settings it should be heating up. It does heat up a little ...
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1answer
491 views

Why is my steam radiator rattling like this, and what can I do about it?

I have one-pipe steam radiators in a home built in 1905 (condoized in 1998). Only one of the radiators, the largest, makes this awful rattling sound when the system heats up: https://youtu.be/...
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1answer
831 views

Glow Worm Flexicom HX boiler F11, F22, F25 Error codes

This is less of a question, but more of a list of things we tried to stop the frequent F11, F22 and F25 error codes appearing on our Glow Worm Flexicom HX boiler which would stop it from functioning. ...
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0answers
42 views

How to remove a Honeywell Braukmann 104v radiator actuator

I have a radiator with a Honeywell 104V radiator actuator that I'd like to replace, I think it's P/N T104V1422. I can't seem to figure out how the thing is connected to remove it. The rest of the ...
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0answers
56 views

How can I use home automation with hot water heating radiators?

My apartment (in a condo building) is currently using stationary PTACs (using electricity and hot water), which I'm planning to replace with a split-level A/C system (for cooling) and hot water ...
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2answers
144 views

Can you change a PRV by isolating the radiator at both ends?

I've been changing the thermostatic radiator valves on my radiators. My understanding (obviously wrong) is that if the PRV is turned off and the lock shield is off, that at that stage no water is ...