Questions tagged [heater]

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2answers
37 views

Furnace problem

My furnace kicks on like it should when it reaches temp it shuts off but maybe a minute later the fan kicks on, runs 10 seconds and shuts off it does this three times before it stops. My brother says ...
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2answers
456 views

220 wiring old to new

I have two lines, one with two bare wires red and black, the other line has a red a black a white and a ground wire. How do I hook them together? I know I'm not supposed to put a neutral with a ground ...
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2answers
2k views

Baseboard Heater Problems!

Cold weather started early this year and I decided to turn the heater on. However after a couple hours the heater has finally kicked the bucket after some odd 25 years. I checked the voltage and ...
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1answer
1k views

pilot light does not stay on on gas burner after vacation

I was on a one month vacation but had kept the gas heater in normal mode (not vacation mode). Today I find my gas pilot light off. The cover was open for all this long. I tried to light it, but once I ...
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1answer
2k views

construction heater wire requiarements

i want to install a 4800 watt construction heater in my garage that is already wired with a 60 amp subpanel. It has lots of room for extra breakers in the sub panel so i plan to install a 30 amp ...
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3answers
19k views

What ampacity circuit breaker would I need for an 18 amp electric heater?

What ampacity circuit breaker would I need for an 18 amp electric heater? Here's a link to the model (IEP-4024), it's North American, 240 volts, 4000 watts, installing it outdoor.
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1answer
4k views

Attic flue vent pipe…asbestos? If so, what should I do?

Can someone help me identify whether this kind of pipe contains asbestos? I know that testing is the sure way to tell. However, maybe it's possible to rule it out from a picture...I'm not sure what ...
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2answers
5k views

Old bathroom gas heater - how to cap it off?

Our bathroom has a very old gas heater...it has a cast iron grill and I believe a ceramic element. Here is a picture from Pinterest of a similar one...this is not my bathroom. You can see the gas ...
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1answer
7k views

Why is there still no hot water after installing new thermostats and elements?

I have just replaced both thermostats and elements in my whirlpool hot water heater. I have checked voltage on both elements. I have voltage at all 4 points. I read that it should only be one at a ...
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5answers
58k views

Did the plumber hook up my water heater backwards?

I just had a plumber install a new 50 gallon water heater, but the cold water pipe is installed to the hot side (the left pipe when facing the front of the heater) and the hot water pipe is installed ...
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1answer
174 views

12 gauge on 30 amp circuit - after thermostat

I have 2 2500 watt baseboard heaters that I'm planning on running off of a 30a 240v breaker. My question is, because the thermostat is close to the panel, can I run the 10/2 JUST to the thermostat, ...
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4answers
7k views

Why does hot water only last a couple minutes?

She has an electric water heather. There IS hot water in the tank. When we open a faucet it acts normal, gradually getting hot, but that only lasts for a couple of minutes, then it gets cold. A friend ...
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1answer
135 views

Water heater repair

I have an on demand water heater. I have 3x 40 amp breakers in sub pannel as that is what it calls for, but only a 100 amp in main panel feeding sub panel. Would this cause no hot water? The lights ...
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1answer
74 views

How do I get the water pressure back?

I have what seems to be a strange, but hopefully easily solved problem. I have a Rheem Warrior series electric hot water heater in my mobile home. My husband is installing a new shower and we could ...
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1answer
72 views

There is a scorch mark in the wall

There is a scorch mark in the wall where the pipe goes into from the hotwater heater. Should I be concerned
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2answers
270 views

Is wiring a 240 volt heater from a sub panel different from wiring it to the main panel?

Since the neutral and ground are isolated in a sub panel, is wiring a 240 volt heater from a sub panel different from wiring it to the main panel?
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1answer
2k views

New water heater sometimes cold, sometimes hot

I have a new electric water heater (a week old). It does not operate correctly. It took nearly 24 hours initially before there was any hot water. Then we had hot water for maybe half a day. Then cold ...
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1answer
3k views

Solar panel to DC heating element to pre-heat water before on demand water heater

I'm looking to possibly buy an Craigslist water heater($120), replace the heating element with a DC unit(12V), and power it with a 100 watt solar panel (12V). On an 40 to 80 gallon insulated tank ...
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3answers
7k views

Water heater not staying hot more than 10mins

I live in a one bedroom apt. Our water heater is not the normal 40gallon but a smaller 20gallon. When we moved in it was hot for at least 30-45 mins. Now it stays hot for less then 10. My maintance ...
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1answer
623 views

No hot water at faucets after replacing water heater

No water comes out from any hot water faucet--only the cold side after replacing water heater. How do I fix the problem?
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1answer
1k views

Reset furnace (heater) often to get my fan to work.

Why do I have to reset my furnace (heater) often to get my fan to work? The thermostat works properly but the fan some time is not turned on. Reset the furnace and/or the limit control switch works ...
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1answer
52 views

Loosen the lower element on a electric water heater

Help!!!! I have diagnosed that the lower element has to be replaced on my electric water heater. I bought the tool suggested to lossen and remove the element. It won't BUDGE!!!! Any ideas???
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1answer
79 views

Safest Steps to turn on water heater that has been off for 5 years

My water heater has not been in use for 4.5 years. The system was winterized in 3 years ago. What are the steps for filling it and turning it back on to avoid damaging it.
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2answers
234 views

Electric baseboard wiring

I have a 240v 1500w 6.5a electric baseboard heater with a wall mounted thermostat. What I found out is that the the thermostat and all the outlets in the room are on the same 20a breaker with this ...
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1answer
143 views

Tankless hot water heater cycles on without any water running

Why does the tankless hot water heater cycle on even when no water is running?
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2answers
70 views

Should I turn power to the leaking water heater off along with the water?

Water heater is leaking so we turned off the water to it. Should we shut off the power too until it's fixed?
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1answer
161 views

Repairing 1000W wall heater: Burnt cable, serious issue?

European here. I'm repairing a simple 1000W wall heater (brand: BEHA) - about 10 years old. The heater itself is in good condition, but the thermostat panel (completely detachable) and its connections,...
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1answer
422 views

Will the water heater be damaged if its turn off and on?

Is it ok to turn off water heater when no one is home or using the water?
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2answers
3k views

Why is my electric water heater making an intermittent groaning noise?

My 8 year old electric water heater started to make a strange rattling noise a couple of weeks ago. The noise happens at random and lasts for only a few minutes. Short bursts of noise about a minute ...
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1answer
5k views

Water heater burner won't stay lit

I'm having trouble keeping my water heater burner lit or lighting automatically. When I press the pilot reset button (allows a small flow to generate the pilot light) and use the piezo sparker, it ...
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4answers
5k views

Gas heater not turn on, but fan-only still works when switched on from thermostat

my up-level heating system (gas heater) stopped working if the thermostat is at auto; fan can be on without warm air if switch the thermostat to ON from Aotu. Is this a thermostat problem or heat ...
2
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1answer
7k views

Does water in the water heater drip pan mean my heater is bad?

I recently noticed my drip pan had about a half-inch of water in it. I could find no water leaks around the fittings or valves. The water is slowly evaporating--very dry climate area--and the water ...
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1answer
944 views

Sauna tripping GFCI

I've just finished up wiring an old heater in my sauna. It has laid around in a shed for a decade or so and am wondering if it's spent. It powered on fine and heated for about 5 minutes until the GFCI ...
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1answer
1k views

Wiring a Sauna heater

I was wondering about the correct way to wire a 240V sauna heater/thermostat in a sauna I have built. From the heater I have a black, white, and bare wire. The black and white connect to separate ...
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1answer
9k views

Where to connect a c-wire on a furnace with existing two wire mercury thermostat

My existing thermostat is an old mercury two wire device, heat only. Looking to upgrade to a better model, but I need to run a c-wire. I don't know where to connect the wire at at the furnace, any ...
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2answers
5k views

Can running both elements of a water heater at the same time increase pressure?

Hot water in an aptartment complex where I am the service electrician is running out because they only put 30 gallon heaters in. Their plumber told the owners to hook up the elements so they run at ...
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2answers
1k views

Can I control a 1500-watt electric wall heater with a motion-sensing switch?

I want to buy a 1500-watt electric wall heater with a built-in fan to supplement heat in a basement room. I want to wire it to an occupancy-sensor wall switch that I can turn off entirely in the ...
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2answers
3k views

Will having an expansion tank on the hot water pipe cause any problems?

I want to replace my water expansion tank and I just found out that it is installed in the hot water pipe coming out from the water heater. From what I've read, it should be installed in the cold ...
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1answer
33 views

On demand water heater flow loss

I removed a traditional water heater with 1" fittings and 3/4" pex to and from it with a on demand heater that has 1/2" fittings. So I currently have 3/4" pex to the heater with 1/2" fittings. I ...
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0answers
633 views

Replaced Thermostat, Furnace worked for 1 cycle now blows cold

Hello I just replaced my old White-Rodgers thermostat because it just wasn't working consistently (sometimes it would turn on the furnace, but mostly it wouldn't). I swapped it with a White-Rodgers ...
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2answers
1k views

Why would a gas water heater discharge water in the winter?

Bradford White gas water heater discharges about an inch of water into a five gallon bucket over 3 to 4 days. It is less than a year old. Is it working properly, or does it need repair already?
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4answers
921 views

Can I reduce capacity of a water heater?

I recently purchased a large fixer upper with a 135 gallon AO smith gas water heater built in 2001. Only two people are living in the house so we need a fraction of that amount. Do water heaters ...
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1answer
4k views

How can I prevent heat loss through heater/air conditioner wall units?

HVAC experts out there... I live in Wisconsin and it gets mighty cold here! I have a condo with 2 wall units that are used for both air conditioning and heat. My heat bill in the cold winter months ...
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1answer
225 views

What's the standard for specifying power and voltage characteristics of domestic appliances?

I'm planning to buy a space heater with the following electrical specifications: Power : 2000 W Operating Voltage : 220-240 V Many of the reviews say that the heater requires a 15 A socket to work ...
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0answers
567 views

Why won't my outdoor patio propane heater light?

No propane is coming out and we did replace the valve from the tank. Any idea why it will not light?
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0answers
378 views

Baseboard heater install from room to room?

I am looking to install 240v electric baseboard heaters which will be fed with 12-2 on 20 amp breakers. I did my amperage calculation 4000/240v = 16.6 amps. So with that said I can run all my heaters ...
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1answer
189 views

5000W heater temperature

Garage Heater My 5000 W heater is wired to a double breaker (220V) 10 GA.black & white wires + grd.) feeding the heater (Dimplex). The heater element will generate only 140 degrees on the heater ...
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1answer
180 views

What could cause corrosion in a water heater?

My water heater was replaced about 5 years ago. Recently I discovered some corrosion on some of the pipes and valves connected to the heater. Pictures are attached. I have yet to inspect the anode ...
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1answer
3k views

How can I replace a 3 wire thermostat with a 4 wire on baseboard electric heater?

The old thermostat had a black, red, and white wire. Black went to black, red to red and white to white in wall. New thermostat has 2 blacks and 2 reds. What to I connect the new wires to?
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3answers
9k views

Why don't my Radiators get hot?

When I turn on my heat, the pump attached to the boiler comes on but the pipes don't get hot and the radiators never do either. I've bled them and believe they are hot water radiators (since there ...