Questions tagged [radiator]

The tag has no usage guidance.

26 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2
votes
0answers
31 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 ...
2
votes
0answers
93 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. ...
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
0answers
43 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 ...
1
vote
0answers
128 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 ...
1
vote
0answers
98 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
0answers
107 views

Why is the gas water heater pressure valve leaking after installing recirculation pump & old radiator?

Kind of a complex situation. Using gas water heater as a boiler for an old cast iron radiator. In addition we added a recirculation pump. Everything was working fine but then we had leaking from water ...
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 ...
1
vote
0answers
119 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
0answers
94 views

Why did my radiator stop heating after turning it down for a while?

I turned down my radiator the other day & now there is no heat in it at all. I've bled it with no success. The intake pipe at the other end of the radiator is warm but the radiator itself is not. ...
1
vote
0answers
213 views

Does my Central Heating system need balancing?

The difference in flow and return temperatures at each radiator varies between 2C (lowest) and 7C (greatest). Although all of my radiators get hot I understand the desired differential is 10-12C. Do ...
0
votes
0answers
21 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 ...
0
votes
1answer
40 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 ...
0
votes
2answers
59 views

Can you change a TRV 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 TRV is turned off and the lock shield is off, that at that stage no water is ...
0
votes
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?
0
votes
1answer
29 views

Bedroom Radiator not operating properly

We have two nest thermostats installed over a month ago and i am not sure the issue was after or before the installation of nest thermostat. We have two zones of heating installed in our house.One is ...
0
votes
1answer
32 views

In open-vented central heating system why does height of cistern matter when water gets pumped anyway

I'm struggling to understand the interplay between the pump that pumps water and how the location of the feed expansion tank affects whether radiators work. In my system most of the radiators work ...
0
votes
0answers
33 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 ...
0
votes
1answer
46 views

Radiator turning off too soon

We have recently had new radiators fitted, but one of them appears to be turning off too soon on the TRV. Its a Myson TRV with numbers 1 - 4, as well as white and blue dots. We have the TRV set to ...
0
votes
1answer
54 views

What is the recommended power and connection height for a “design” radiator in a bathroom?

I need to provide the builder of my new house the height from floor of the water connections for the radiator of my bathroom. Right now I have a 1800 x 3100 mm bathroom with a "design radiator" (the ...
0
votes
0answers
415 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.
0
votes
0answers
224 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. ...
0
votes
1answer
211 views

Should an auxiliary circulation pump be installed on the supply or the return?

I'm adding a new 007 Circulator Pump for closed loop system. Problem is that one of the radiators on a third floor does not heat- tried purging air (it's a new added radiator). It gets hot when I ...
0
votes
0answers
4k views

How do I remove this radiator cover?

I'm currently in the process of decorating and making my new home look nice and a big thing that is bothering me is the dust from inside the radiator vent, there is a lot! The radiator cover is ...
0
votes
0answers
302 views

Why isn't water running through our radiators?

We had a plumber in today to bleed our rads. He also changed the batteries on the thermostat and fiddled around with the boiler. Since he left the temperature has dropped dramatically and he's refused ...
-1
votes
2answers
240 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 ...