Questions tagged [water-circulating-heating]

A central heating system that transfers heat from a boiler to each room through a fluid filled plumbing system.

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1 answer
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How does the sensor in a hot water circulation system inform the pump to turn off?

I’ve been reading about hot water circulation pumps. The articles will typically have a sentence like “The sensor valve lets the hot water circulating valve know when to shut down and turn on the pump....
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1 answer
32 views

replacing residential circulator pump flanges with shutoff flanges

About 15 years ago the local heating company installed a new boiler and put on a standard TACO circulator pump with standard flanges that do not isolate the pump; on the boiler side the flange is ...
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0 answers
27 views

Is boiler water inhibitor treatment standard in the US?

I have hot water heat with a Slant-Fin S-120 boiler. I emptied and refilled the system with water. There are lots of web pages (including Slant Fin) recommending treating the heating system water with ...
-1 votes
1 answer
95 views

Only one zone heating in a two-zone hot water based heating system (oil)

I have two zones in my oil heating system, down and up -stairs with two separate thermostats one circulator and two zone valves. For some reason the downstairs zone works perfectly well, but the ...
0 votes
0 answers
7 views

Does the heating system's boiler combi close the loop when is shut down?

I'm planning to make a mains flush to my heating system piping/radiators but for my plan to work (that is, clean water flow through radiators) I need to be sure the boiler combi mechanically closes ...
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0 answers
10 views

Key to spin valve from heating towel rails radiator (to install inhibitor)

I want to insert the inhibitor in the heating piping system. I watched a tutorial wherein it was mentioned that the best way is through a towel radiator, but I need to close the valves/taps on both ...
5 votes
6 answers
69k views

Why is it taking so long for my house to heat up?

Firstly, I should probably mention that I'm in the UK... My wife and I bought a house new from a builder over 9 years ago and have had no problems whatsoever with our central heating system in that ...
0 votes
1 answer
27 views

Remodeling basement: water, heating and drain pipes running in parallel?

The piping in our basement is arranged in a way that it is incompatible with our remodeling plans - and the drain pipe also looks quite shoddy, so it needs to go anyway. Also, due to a furnace upgrade,...
1 vote
0 answers
27 views

What purpose do the extra wires for my boiler thermostat serve?

I am pulling out an existing wood burning boiler, EKO Biomass 40, and replacing it with a Switzer boiler. This boiler will be my primary and I have a secondary oil-burner in my basement. The heating ...
0 votes
1 answer
110 views

How do I move a hot-water convector?

I have a "breakfast nook" section of my kitchen with a large hot water convector installed along the baseboards of two walls. Because of other elements in the heating system located close ...
0 votes
1 answer
70 views

What is the purpose of this disconnected copper pipe next to my baseboard heating?

I just purchased a home and there is a disconnected copper pipe next to the baseboard heater in the garage. It is connected to the water system, although the connection is currently closed, water ...
0 votes
1 answer
139 views

What modifications needed in order to use used cooking oil for heating instead of diesel?

In Greece the heating oil went up to 1.20 Euros. Meaning that is WAY too expensive to burn. Therefore, I look for alternatives and the used olive/vegetable oil from local souvlaki/gyro store seems ...
0 votes
1 answer
33 views

Why does my radiant heater have multiple zone valves?

I have in-floor water radiant heating. There are five zones of varying sizes. In some larger zones there are multiple circulation loops split from the supply and then recombined for the return. I ...
0 votes
1 answer
47 views

GFCI outlet trips when one one device is plugged in even when it is off

I have a water circulator that worked fine plugged in the GFCI outlet in the bathroom. Currently the GFCI trips anytime the water circulator is plugged in even when the water circulator is turned off. ...
-1 votes
1 answer
1k views

Nest E thermostat on ancient 2-wire Bryant boiler system with 2 zonesq

I have a 2-zone hydronic system running off an ancient Bryant boiler. Power is supplied by a 24V transformer, and each red wire passes through a Taco zone valve before heading off to the appropriate ...
6 votes
3 answers
122k views

How can I stop my radiators "clicking" when they're turned on or off?

I have a central heating system on a timer, and whenever the timer turns on or off, for around ten / fifteen minutes, some of the radiators in my home make regular clicking noises, kinda hollow-...
2 votes
1 answer
9k 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). ...
-1 votes
1 answer
145 views

How can I figure out if a Combi Boiler will be adequate for my house?

We recently moved into our new home that currently has a Super Hot MG-100 Hydronic Boiler (installed in 1986, when the house was built). Clearly, it's done its job and in need of a replacement. We had ...
-1 votes
2 answers
596 views

Boiler vent and expansion tank leaks

I had my boiler inspected and cleaned recently and the tech found a few issues. He showed me how the valve on the expansion tank would leak when he would push it in, which means the tank needs to be ...
-1 votes
1 answer
51 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 ...
-1 votes
3 answers
105 views

How impactful will it be to lose 7' of radiant heat pipe in a room?

My home has a hydronic heating system, with fully enclosed floor radiators. In one room, there is a radiator that runs the length of the room, on the outside wall which is about 20' long. In the ...
2 votes
1 answer
4k 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 ...
0 votes
2 answers
46 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. ...
3 votes
2 answers
6k views

How to block baseboard (water heated)?

I live in an apartment complex where my water baseboard heating is 100% controlled by the complex staff. This year has been particularly tough, as it's been very warm since winter started and even ...
1 vote
1 answer
274 views

Do i need special ball valve for hot water heating system? Is WOG rating ok?

I am installing zone valves but want to isolate each loop with ball valves. can I use regular plumbing ball valves for this. Max temp would be 180 F.
0 votes
2 answers
690 views

Can I reduce temperature in one room on my hot water furnace based system?

We have a hot water baseboard furnace heating system. It all works well except for that one room gets way too hot if we are to keep temperature in all the other rooms. This particular room is the only ...
0 votes
0 answers
365 views

How close can pex tubing be to a boiler?

I am adding radiators to my 2-pipe central heating (UK). The whole piping is copper 22mm and microbore, and I'm extending it with 15mm pex barrier pipe graded for central heating. I know that the ...
1 vote
1 answer
7k 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 ...
0 votes
3 answers
10k views

Hot and Cold water seem to be mixing

Having a problem with hot and cold water seemingly mixing in my house where some locations can't get cold water and others get a mix of warm/cold from hot settings. The scenario Moved into a new house....
1 vote
1 answer
87 views

Why am I getting cold water at faucets near the end of a circulation loop?

We have a circulating pump for our hot water tank - the pump sits between the tank and the line going into the house. The issue i'm facing is if the pump is not running, I get endless cold water to ...
2 votes
2 answers
79 views

Power consumption of valve actuators

I would like to acquire some actuators for my radiator valves. I would like them to consume as little electricity as possible. I therefore consider it is better to take normally closed actuators ...
8 votes
3 answers
26k views

Can I convert a radiator to radiant floor heating in a room?

I am purchasing a new home, and designing some renovations to several rooms. The house has a gas boiler and radiators throughout the house. For the kitchen and upstairs bathroom, I will be putting ...
1 vote
0 answers
166 views

Tankless Hot Water Recirculation

I recently had a Rheem Tankless Water Heater installed. The rtgh-95dvln-2. They installed the pump kit meant for the water heater, the ap17920. However, I do not have a dedicated recirculation line, ...
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0 answers
143 views

Boiler not circulating

I have a Bosch 30 HRC boiler. Yesterday, I added water to the system, increasing the pressure from 1 bar to just below 2 bar. I vented each radiator in the house to bleed the boiler. When I open the ...
0 votes
1 answer
314 views

Should hot water heater pipes in the basement be insulated?

I have a Gambrel style home with gas fired baseboard hotwater system. The hotwater pipes in the basement are located to the outside wall. These pipes are not wrapped in insulation. Would wrapping ...
0 votes
1 answer
35 views

Removing hotwater baseboard heater

I would like to remove the wallplate of my baseboard hotwater heater element. I got everything apart except the wallplate which I can't get off. I removed the nails that I thought were the only thing ...
0 votes
1 answer
410 views

Is hydro air more efficient than gas/oil?

I have heard different things about hydro air systems. I am considering getting one because it is a 5000 SF house and a 1500+ SF addition is planned and I heard that it is easier to expand a hydro ...
1 vote
1 answer
71 views

Upgated pump for 10 zones, 3 floor house?

I currently have a tanco (I don't have the current model # now) in a 5 zone 2 story house. I was recommended to upgrade to a tanco 0010-F3-1IFC bc I am adding 5 more zones, and 2 zones will go up to ...
0 votes
2 answers
132 views

Hot Water Baseboard Heaters

A contractor came to add an additional hot water baseboard heater into our family room which is an add-on, because there was no heating element in this added room and we could not use the space in the ...
0 votes
2 answers
1k views

Can I adjust the temperature of the water in my radiators?

I'm a complete newbie when it comes to HVAC. I did manage to install a new thermostat with help from here so I try again. I have a oil burner baseboard hot water system. My hot tap water is also ...
1 vote
1 answer
2k views

What would cause a gas fired, forced water boiler to shut down?

I have a fairly old Peerless, natural gas fired, forced water boiler. It has an electric ignition system (White Rodgers 50E47-843 Universal HSI Ignition Module). A few weeks ago it shut down (safety ...
4 votes
3 answers
3k views

heating zone stays hot even when the thermostat isn't calling

we're trying to solve a very strange hot water heating problem (drawing below). We just separated the the 2nd and 3rd floors in my house into two separate heating zones, and the 3rd floor is now ...
1 vote
2 answers
56 views

Using 6 gallon hot water tank as recirculation device

If I pump water continuously through a small 6 gallon hot water tank recirculating from a 60-70 gallon water tank will this work to heat the water over 36-48 hours? I'm not concerned about if it's ...
0 votes
0 answers
29 views

We have a ranch home with baseboard heat, 2 zones work 2 zones dont

We have 4 zones and 4 thermostats with baseboard heat in our ranch home.. 2 zones are working, and 2 zones are cold. What would cause this?
0 votes
2 answers
205 views

Hot water recirculation pump suggestion in home with return hot water line [closed]

We had a hot water re-circulation pump by water heater before and had it removed last December when we detected leaks around it. This is our setup: We have a return hot water line coming back to the ...
1 vote
1 answer
1k views

Sizing a circulator pump in a closed loop heating system with multiple zones

I'm thinking through an install of a new combination boiler in my house, and am confused with respect to picking the correct size circulator pump. I've found a few different references (e.g. https://...
1 vote
0 answers
1k views

How to wire a Taco zone valve controller with ecobee

I'm having an issue with wiring my Weil McLain gas boiler. It was wired up fine and working for a single zone. I added (2) 4 wire zone valves in. So I now have 2 zones, a Taco zone valve controller(...
0 votes
0 answers
66 views

Could I use perlite under floor heating foam panels?

Context: I want to install an in-floor water based heating system in an apartment on a higher floor. As such, there are 2 problems: I cannot afford to have 2 layers of screed (because I need ...
0 votes
1 answer
815 views

Rattling sound from heating pipes

I keep on hearing a rattling sound like metal banging from 1 section of pipe in my hydronic heating system, I tried bleeding but no improvement. Thanks
0 votes
0 answers
260 views

Peerless Boiler not heating - No flame

I have a Peerless boiler and today woke up to it not heating the water. The water definitely feels like it is circulating through the pipes, but the water temp isn't getting over 60 degrees. We had it ...