For questions generally relating to the hot-water supply system of a typical residential or commercial building, primarily regarding the heating mechanism itself (a traditional hot water heater tank, tankless heaters including "point-of-use", boilers and heat exchangers, etc).

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3
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1answer
431 views

Should I run two gas water heaters if I don't need to?

We purchased a house recently that has two water heaters(configured in series). I just realized that the first one hasn't been running as the thermocouple was defective. For 6 months we had no problem ...
2
votes
1answer
3k views

My hot water stopped working in one bathroom, what can I try in order to fix it?

I have an electric water heater from 2004. The hot water works in all other areas of my house (kitchen, other bathroom and washing machine). The sinks and shower in my master bathroom are not ...
4
votes
2answers
2k views

Do I need to replace my hot water tank's pressure release valve?

Recently we had an extended water outage. When water came back, pressure in the lines was much higher. The hot water heater started leaking from the pressure release valve and after flipping it a ...
3
votes
1answer
1k views

Is it OK to have a gas water heater in a bedroom closet?

I have a laundry room with a gas water heater in the closet. I was thinking about taking out the washer and dryer and renting the laundry room as a bedroom because there is a bathroom next to the ...
11
votes
3answers
2k views

Are tankless water heaters worth it in cold climates?

I was thinking of switching over to a tankless water heater, but a friend of mine said they are not good in colder climates since the water coming in is colder and takes longer to heat. Is this a ...
2
votes
1answer
304 views

Can I use a small propane instant hot water heater for a clothes washer?

I would like to set up a clothes washer in a location that has only cold water. (It will be in a makeshift shed of some kind, with a hose and an extension cord.) I could just wash everything in cold ...
4
votes
1answer
590 views

Local “point of use” hot water heater

This question is a follow-up to It takes a minute or more for the water to become hot from any of the faucets in my house -- how can I speed this up?. I have a tankless water heater, and it takes ...
1
vote
1answer
713 views

How can I monitor the temperature in a hot water heater?

When my hot, water heater runs out of hot water, I have to wait a while until it's hot again. I'd like a way to check the temperature without running water to the faucet every 10 minutes. Is it ...
4
votes
1answer
147 views

Is it possible - setting thermostat based on a seperate thermometer

I'm looking into building a solar water heater, but I'm wondering, is it possible (and what products should I be looking for) to turn on a pump when the water in the solar heating device is hotter ...
2
votes
1answer
1k views

Loud vibrating when using hot water!

I recently moved into a new condo with 2 kitchen sinks -- a main one and one embedded in an island. There's a lot going on under the main one -- the cold water is split so that it leads to the faucet ...
0
votes
1answer
239 views

How to calibrate continuous water Gas Heater?

i have installed a gas continuous water gas heater, it is around 30 mts of pipe away. my shower has a mixer valve (one unique lever for both the hot and cold water). The problem is, whenever I am ...
1
vote
2answers
179 views

I want a cheap solution for water heating, maybe even something I can build myself, please give me some ideas

I have a little problem, over summer we choose to run a wetback for our hot water, on some days over summer this is unbearable, please provide some helpful suggestions, things like solar ovens, solar ...
1
vote
1answer
509 views

What is the life expectancy / MTBF of a 60 gal. water heater?

Specs: Capacity: 60 gal. Power: 4500W Voltage: 240V Warranty: 6 years
3
votes
1answer
272 views

Is it safe to simply replace a heating element in an electric water heater?

The bottom element in my water heater burned up. I took the bottom panel off, and everything inside was scorched - the insulation, the plastic cover, the thermostat - even the edges of the panel. The ...
4
votes
3answers
3k views

Rust spots on water heater — time to replace?

So I noticed today there's some rust spots showing up on the outside/bottom on the water heater. No more than a couple specs. Should I be worried?
6
votes
3answers
3k views

How do I troubleshoot a water-heater?

Lately our hot water has been running out very quickly, a lot quicker than it used to. I have an Whirlpool electric water heater with 2 elements with the top element has a reset switch. I followed ...
6
votes
2answers
3k views

What are the symptoms when 1 of the electric water heater elements goes kaput?

I suspect that something has gone awry with the electric water heater. We do get water that is plenty hot, but it doesn't seem to last as long as it used to. My suspicions are further aroused because ...
4
votes
2answers
2k views

Should my water heater drip constantly?

My wife was home today during a follow-up visit from the sump pump replacement we had as a result of my sump pump issue. After solving the problem, the plumber opened a the release valve from the ...
3
votes
2answers
1k views

How do I improve hot water pressure from a gas combination boiler?

I have a gas combination boiler (no hot water tank). The hot water pressure isn't very good though - the showers and hot taps come out with maybe half the pressure when compared to the cold straight ...
1
vote
2answers
776 views

Can I vent a dryer from the same mechanical closet as a water heater.?

I'm currently looking at a condo to purchase and the existing "closet" that contains the plumbing and venting for a washer/dryer is a bit on the small side. It's probably not that big of a renovation ...
8
votes
3answers
872 views

Are water heater blankets a good idea?

Is it a good idea to wrap a water heater in insulation? Does it lower the heating cost? Does it shorten the life of the water heater?
17
votes
1answer
393 views

Is flushing a waterheater a good idea?

I've been told that water-heaters build up sediment at the bottom over time, and should be flushed out (ie. drained, then allowed to refill). Is there value in this exercise? Does that value exceed ...