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Do you really add a full 1/2" of self-leveling concrete above electrical radiant heat wires for LVF or do you use less in practice?

How much self-leveling concrete do you typically add above electrical radiant heat wires for LVF? LVF manufacturers recommend 1/2" of concrete on top of any radiant heat. Since the wires are 1/4&...
ARClimber's user avatar
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Historic Building Floor: radiant, continuous, encapsulating... but upstairs?

I am renovating an historical building c. 1930. The main floor is constructed of cement beams and structural clay tile above a full basement. There are 223 m2 /2400 ft2 per level. I'm trying to ...
MNFarmLoft's user avatar
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2 answers
127 views

How can a 240V device with a single hot terminal be wired with two 120v hot wires?

US based. I am looking to install this radiant floor themostat: https://www.homedepot.com/p/QuietWarmth-120-Volt-240-Volt-7-Day-Programmable-Floor-Warming-Thermostat-THERMPRO/318528774 The thermostat ...
Andy Hall's user avatar
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Converting an obsolete 240V clothes dryer connection to useful supply for 2 radiant heat projects

I have a 240V dryer connection no longer used on a dedicated circuit and a three-wire, plus ground wire going to it. Since it's no longer in use, I was thinking of using it to supply power to 2 ...
Pete Villegas's user avatar
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What are the most cost efficient thermostatic valve values for UFH?

The manifolds on each floor have a thermostatic valve. I recall reading somewhere that for the most efficient system that you set these to the lowest acceptable value. I have these set to 35C. The ...
Cheetah's user avatar
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Should this be part of an oil heater?

I have an old oil heater that emits a faint odor once heated. Thinking it must be just dust burning off, I took it apart and wiped it completely clean of dust, but the odor persists. I've narrowed it ...
pseudosudo's user avatar
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2 answers
78 views

Do you see flaws in my multi heat sources & multi recirculating pump setup?

Short version: I'm currently designing my water heating setup for a house I'm in the middle of building. Can you lend me your eyes to see if there's any fatal flaws you can see in the diagram I made? ...
Captain Banana's user avatar
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761 views

New homeowner - how to use radiant ceiling heat?

We recently purchased a condo built in the 80s and it has radiant ceiling heat. Each room has a dial thermostat. We decided to test it for the first time today. We turned the dial in one room up ...
bp7550's user avatar
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1 vote
1 answer
519 views

Making changes to home that has in floor radiant heating

Making changes to a house with hot water radiant floor heating We are considering buying a home that has hot water system installed on all 3 levels of the home (basement, main floor and 2nd floor) and ...
Newfoundmom58's user avatar
2 votes
2 answers
1k views

How do I completely drain and decommission hydronic radiant heating system?

Purchased a home which has a floating floor radiant heating system installed in the basement. I am looking to remove the system as it was poorly designed and installed. I've closed off the fresh water ...
rome's user avatar
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No water in circulator pump? Hydronic heat with electric hot water

I noticed my hydronic floor heat was no longer heating, and the circulator pump was extremely loud. This system was new in 2009 with one valve, pressure tank, and electric boiler replaced in 2021. It ...
Erik's user avatar
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182 views

Ceiling in only one room popping

My home is 38 years old. Brick. 1200 square feet with full basement. It has radiant ceiling heat but it is not the panel type. It was installed within the plaster. The ceiling in one room makes a lot ...
Nana's user avatar
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1 answer
1k views

Hydronic heating system is not working, but still have hot water

A couple of days ago, my hydronic heating system stopped working. Thankfully, the boiler is still working though, so I still have hot water. The details: When no one is using hot water, the boiler ...
red.october's user avatar
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1 answer
418 views

What breaker size do I need to power radiant heat?

I am installing 4 set total of 240V radiant heat system behind 2 thermostats. Each thermostat will have 2, 240V, 168 ft², 8.4A, 2016W radiant heat systems mounted in parallel. The maximum power ...
Max's user avatar
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Do I need to replace all 4 switches on my Whirpool WFE366LVS0 electric oven?

When I turn on any burner on my Whirpool WFE366LVS0 Electric range, it immediately goes on high heat and stays regardless of heat setting the knob is on. Should I replace all 4 Infinite switches as ...
Amit's user avatar
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1 answer
481 views

Replacing thermostats for in-floor heating

My parents' house has a two-zone, in-floor hot water heating system, currently controlled by two separate Honeywell Chronotherm III thermostats. One of the thermostats is non-functional as the wires ...
Jeff's user avatar
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What setting for thermostatic radiator valves when leaving a house at low heat for the winter?

We just bought a new house (new to us, it was built in 1960 and unrenovated) and only have a few days before we leave it for November/December. We are planning to leave the heat on with the ...
alvion's user avatar
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3 answers
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Combining a thermosiphon sanitary water solar heater with fan coils radiators

I am looking to heat my home as currently I have no system to heat the house. I have a 300L (65 gallon) thermosiphon water solar heater that heats sanitary water. My house is built on a platform so it ...
Michael's user avatar
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3 answers
1k views

Remove Zone from hot water radiant heating system

I want to remove a zone from my hot water heating system. The zone has an an electric zone valve wired to my panel and to the thermostat. When set the thermostat to turn up the heat, it closes a ...
Allan's user avatar
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Electric infloor heat with solid hardwood floors - should the wood feel warm?

I am using Warmly Yours infloor electric heating cables, as well as Mysa thermostats. On the same 240v circuit, I have a bathroom (tile) and a kids bedroom (solid hardwood floor). Ohms we’re tested ...
Nathan's user avatar
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1 answer
2k views

Why does my heat pump "blow" at warm (even hot) outdoor temperatures? Should not it be inactive?

We have a Hoval UltraSource B compact C (8,11/200) air/water heat pump in our house. I have noticed in warm weather that occasionally my heat pump "blows" outside. I then thought that my ...
Sybil's user avatar
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3 votes
2 answers
355 views

Radiant heating under an enclosed balcony?

I have a couple of rooms that are functionally a fully-enclosed 2nd-floor balcony, with a concrete beam + breeze block system as the base, and floor tile cemented directly over that (no insulation ...
swiftcoder's user avatar
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1 answer
216 views

Can I replace one hot water radiator with electric underfloor heat?

My home in NJ, USA uses has gas-fired hot water radiators for heat. I am renovating the bathroom and will be adding underfloor heat. The bathroom has a radiator that I'd like to eliminate. I don't ...
jay613's user avatar
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5 votes
4 answers
3k views

Can I use electric radiant heating as primary heating?

Our home was build in 2001 and currently has a oil furnace that is at the end of its life. We are looking for a more efficient heating option and stumbled across an electric radiant heating product ...
HomeHelp12's user avatar
1 vote
0 answers
38 views

Is primary/secondary system the right setup for condensing boiler?

Recently we've just installed Lochinvar NKC199N by a local contractor here, using liquid propane. Since this is a condensing combi-boiler, I understand that it will be running up to 95% efficient when ...
ysok's user avatar
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1 vote
1 answer
3k views

Can we use hybrid water heater for radiant floor?

We have a concrete slab radiant floor that is currently heating by propane tankless boiler (Lochinvar NKC199N), but as you know LPG is expensive and not quite efficient. Now, I am thinking about ...
ysok's user avatar
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1 vote
0 answers
542 views

Why does my boiler inlet pull hot water from the outlet?

Last month we installed a Lochinvar NKC199N, using LP Gas. Attached is a picture here for the reference. We have 4 zones, but let's forget about the other 3 zones as I am having issue with one zone ...
ysok's user avatar
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0 answers
259 views

Old line voltage thermostats - Cen you help identifying model/maker?

Just purchased a ~40 yr old home with ceiling radiant heaters. There are 6 zones controlled by old thermostats. Zones are paired in the electrical panel (see pic). Is there a way to easily identify ...
DYIProjects's user avatar
1 vote
2 answers
969 views

Electric floor heating thermostat that is also silent

I would like to install electric radiant heating in my bedroom floors. But all thermostats with floor sensors utilize a powerful relay that makes a loud clicking noise every time it comes on and off. ...
Serge's user avatar
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1 answer
160 views

How can I prevent dirt from accumulating in a gas water heater in my garage?

I have a gas water heater in my garage that was installed when it was built for the radiant heating. The issue I've had is that it appears to draw in dirt from the area and burns out and the water ...
Joel Graff's user avatar
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1 answer
185 views

Hydronic, In-floor, Radiant Heat

I am considering including a hydronic (Pex tubing) radiant heat system in my new house (still in the planning phase). I have done some reading/resaerch...here was a straight-forward, mercifully ...
AA040371's user avatar
  • 483
0 votes
1 answer
177 views

Can't get boiler to stop heating! It's 80 degrees in the house

I have two boiler systems. One for the heating of the house, and one for sink/shower hot water. The boiler for the house will not turn off! It does kick on and off for a duration of time like it ...
Malsi's user avatar
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1 vote
1 answer
226 views

Should I get a condensing boiler or atmospheric boiler for cast iron radiator system

I am looking to replace the boiler as part of a basement reno. The house was built in 1903 and has cast iron hot water radiators but we've done a fair amount of work to it, added insulation and have ...
Charlie's user avatar
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1 vote
2 answers
762 views

SunTouch underfloor heater without floor sensor?

I have purchased two SunTouch UnderFloor 16" x 6' long 120V 0.6A to retrofit a radiant floor on the one-level-above bathroom without having to remove the floor. The instruction manual (page 4) ...
Jerome Asselin's user avatar
1 vote
1 answer
3k views

Can you use a heat pump for hydronic radiant?

I want to electrify the heating in my house. It's heated by a hydronic radiant system, fed by a propane boiler. Another loop from the boiler heats a hot water storage tank. The total floor surface ...
undermountain's user avatar
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1 answer
74 views

How can I handle excessive pressure in a water heat circuit?

I am playing with radiant heating in my garage. I want to put copper coil wrapped around the flue pipe, 5 feet out a SharkBite connector from copper to pex and the same for the cold water intake back ...
gstlouis's user avatar
1 vote
2 answers
2k views

How to properly pipe a hydronic heating system

Background: I am installing a hydronic radiant floor heating system myself and getting all the information required is a combination of many different websites. It doesn't seem like there is an all-in-...
Jon Tinsman's user avatar
2 votes
3 answers
2k views

Can I configure a two-stage thermostat to manage two heat systems?

The System I have a relatively simple system. It starts out with a standard, run-of-the-mill Rheem gas forced air setup with central air. One transformer in the furnace goes to one thermostat like ...
Geek Stocks's user avatar
1 vote
1 answer
133 views

Is It safe to have underfloor heating with lead paint?

We’re in the process of renovating an old farm house with a old section and a new side. Because the house has a hydronic heat system we are looking to convert to underfloor heating throughout. Right ...
Dan's user avatar
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1 vote
0 answers
313 views

What is the minimum thickness of concrete above hydronic heating pex

I am doing a diy hydronic heating system in a house I bought in the mountains. For the main part of the house I am using 3/4" x 9" strips of plywood with spacing for the tracks of the 1/2&...
Jon Tinsman's user avatar
1 vote
0 answers
99 views

Are 8-Zone Wiring Centers Compatible With Smart Thermostats?

I'm looking at various wiring centers for gas boiler heating and I'm wondering if they're compatible with the major smart thermostats, such as Nest, Hive, and Honeywell. Wiring Centers: Reliance:...
Kiril's user avatar
  • 111
2 votes
1 answer
1k views

Can I install wide-plank solid hardwood over radiant floor heat?

I've been planning to replace my living room carpet with hardwood. I have radiant heating under the floor (boiler and pex piping). I was originally looking at 3/4" thick 3" to 5" wide boards, but ...
rtaft's user avatar
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1 answer
355 views

heater wire 120v 2-wire. one side ribbed and the other white writing?

i tried to add a photo but my phone cant seem to compress the image small enuff..so..this cord turns logic on its head..one side is continuous ribbing while the other has white printing on it..so i ...
Siacrisix's user avatar
0 votes
1 answer
2k views

Can I use a nest thermostat for two heating sources (Furnace and electric floor heating)

Current situation: My home is currently heated with central air. Not my first choice, but that's what I have. I have brand new 98% efficient modulating furnace controlled by a Nest thermostat(no AC)...
mreff555's user avatar
  • 1,287
2 votes
0 answers
147 views

Hardwood loose, has gap over radiant floor

Just bought a new place with white oak hardwood and radiant heating. The hardwood is 3/4" (verified). Floor has developed gaps in certain areas. One area in particular is loose when I walk on it, so ...
Dan F's user avatar
  • 31
1 vote
1 answer
178 views

Alternatives to forced hot air in-wall units

My condo came with in-wall hot air units with a fan (one for the bedroom, one for the living room). I am very unhappy with this heating system and am looking for alternatives. It is very noisy (to ...
Jonathan Protzenko's user avatar
-2 votes
1 answer
82 views

Is unmodified thinset ok for radiant heating under hardwood flooring?

So me and my dad are renovating and decided to add electric radiant heating in out living room/kitchen. We are following this video as a guide https://youtu.be/sXhT1fYVPps. They said to use latex ...
kacy's user avatar
  • 1
0 votes
1 answer
59 views

Replace forced air heater with electric radiant floors

There are forced air in-wall heaters in my house which are quite noisy. I am considering to replace those with electric radiant floors. What would be the least invasive way to do it? Current heater ...
n0rd's user avatar
  • 141
2 votes
2 answers
295 views

Inground Conduit Box for Driveway Snow Melting

I'm installing snow melting cables into a concrete and stone paver driveway. It requires 5 mats rated at 25 Amps and 6000 watts. I also need a 6th small run of heating wire to cover the full area. ...
Fredo Corleone's user avatar
0 votes
1 answer
826 views

Electrical outlet clearance from a hot water panel radiator

What is the clearance of an electrical outlet from a hot water panel radiator? So facing the wall with a window and having a panel radiator down below hanged/fixed on the wall, how far away left and ...
cadobe's user avatar
  • 117