Questions about systems that produce and distribute heated water.
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1answer
20 views
why won't my shower regulate water temperature
a couple days ago this started. no matter what position I turn the handle towards the left it's always very hot. and the same if I turn it to the right. very cold. I'm assuming there must be some sort ...
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1answer
32 views
Temperature monitoring for storage hot water system (RP-2 connection)
My HWS has a secondary outlet connection I don't use, and I'd like to use it to install a thermal probe I can monitor.
HWS RP ¾ / 20 temp probe?
Does anyone know of a practical way to install a ...
4
votes
1answer
82 views
In-floor radiant heating hooked up to hot water tank in new home - questions about how it works and operating it
I've moved into a new 2 story house. The heating system is in-floor water heating, and the heat source is an electric hot water tank. I'm hoping you guys can help me figure out how the system works ...
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0answers
23 views
Vent Tube for the Insinkerator Instant Hot Water Dispenser
Does the clear vent tube need to be attached directly to the faucet for the system to work? Our clear tube has broken off at the faucet side with the metal connection inside. We have the older ...
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1answer
52 views
How to shut off water coming from the hot water heater
I'm trying to shut off water coming from my hot water heater. I currently have the water shut off to the entire house due to a shower repair that went awry (hot water flows like a shower even though ...
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0answers
24 views
No hot water in only one bath tub
We are not getting hot water in only one bath tub. The left side is for hot water and right side is for cold. There is no drop in pressure when I turn on only the left side. But instead of hot water ...
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1answer
40 views
should i wrap exhaust duct joints of hot water heater?
i replaced my hot water heater. I used a single flexible 3" metal duct tube to go from the new unit to a an old "y" connector metal duct that is near the ceiling in the utity closet.
I noticed ...
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1answer
37 views
Activating hot water recirculation pump in garage via extension cord under kitchen sink
I have a hot water recirculation pump installed near the water heater that is located in the garage which provides instant hot water via dedicated 1/2" copper pipes. Although I have a timer that ...
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1answer
38 views
Hot Water issues in entire apartment, How can I fix this?
We lease an apartment and the maintenance has been less than effective at fixing this issue so was wondering what other people think about it.
We've got 2 showers and 3 sinks, this issue is happening ...
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0answers
31 views
Isolating water supply to replace basin tap with no local stop valve
I got a new tap for a pedestal basin. Looking at the existing fittings there is no local valve to shut off the water at the basin itself where the water pipes come out of the wall & connect to the ...
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votes
1answer
57 views
How can I drain the hot water line in my house? (re: adding a spigot)
I'd like to add a hot water spigot to the outside of my house but my hot water heater doesn't have a shutoff for the output (ie. hot water side of plumbing). However, the cold water has a shutoff (...
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2answers
69 views
Replace electric water heater with gas tankless (electrical connection)
I want to replace my electric water heater with a gas tankless water heater. My current water heater like most electric hot water heaters takes 220 and the tankless gas water heater uses 120. The room ...
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0answers
46 views
Sink water won't get hot unless shower is on
The sink tap takes 20+ minutes to even get lukewarm, never hot. I have lived with this for a while until I made an interesting discovery the other day. When the shower (in the same bathroom) was ...
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2answers
74 views
Shower in another room leaks when bath is running
I have a free-standing bath in my bedroom and a separate shower stall in an adjacent room.
When we run hot water in the bath the shower head starts running-- not just a drip... more like moderate ...
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votes
1answer
49 views
what allows some cold water to enter house and some to enter water heater?
Informational question:
To supply hot and cold water to a house you:
1. split at the supply for hot and cold lines. Using a tee - you run one line to the house, and the other to the water heater. My ...
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vote
1answer
227 views
energizing both elements of electric hot water heater
I'm considering using an electric hot water heater (EHWH) with upper and lower heating elements as an electric diversion load. This EHWH would be for pre-heating the water bound for the standard HWH....
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vote
1answer
36 views
Changing hot water supply and keeping cold water supply
Repiping my master bathroom shower and sink. We have a new instant hot water heater on an addition to our house 10' away. The shower and sink now run off the water heater in garage, 100' away.
I tee'...
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2answers
117 views
Why my new hot water heater performs worse than my old one?
I know a lot of posts have been made on this topic, but, I have tried everything. I wanted to move my hot water tank from the first floor of my house to the crawl space. My old unit was performing ...
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1answer
15 views
Where to place an aquastat that is external to the hot water tank?
If you need to retrofit an aquastat to a heating system what is the best way to do so?
i.e., in some hot water tanks or even boilers there may be a purpose-made port specifically to accept a "well" ...
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vote
1answer
34 views
Copper reducer before hot water heater
My house copper lines are 3/4 in and my new water heater accepts 1/2 copper in a compression connection. Is there any issue with adding a 3/4 to 1/2 reducer before and after the heater?
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vote
1answer
46 views
Why isn't my electric hot water tank producing hot water?
We just bought a trailer and had the water turned on. We have cold water coming out of hot water side in kitchen and bathroom. What could this be? Also we have good water pressure in the bathroom but ...
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2answers
478 views
What could cause my hot water to run out quickly… but only in the bath/shower?
My (London, UK) apartment building's hot water comes from a district heating system and is delivered to my apartment via a "Heat Interface Unit" within the property, owned and maintained by the energy ...
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0answers
60 views
Cloudy hot water from bathroom sink
I have 2 bathroom sinks on the 2nd floor (not in the same room).
One of them produces a cloudy (almost milky) white hot water. The other was runs clear hot water. Could this be an issue?
This appears ...
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0answers
160 views
Why with new hot water heater and now master shower hot water runs out fast?
We bought a new hot water heater 6 months ago and it was working great until recently. Lately, only in the master shower the hot water lasts for only a few minutes then cold. Sometimes it won't even ...
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votes
1answer
59 views
Why my hot water goes out in less than 2 mins? [duplicate]
All the water outlets in my condo can only supply hot water for at most 2 mins and then I am left with cold water. I changed my gas water heater 2 days ago, but the problem continues. I was desperate ...
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1answer
180 views
Shower is too cold, despite cartridge setting
I have a single handle shower in my basement that is too cold in the winter. I only need a small adjustment, but I don't know if it's even possible.
The "hot water stop" appears to be already set to ...
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0answers
39 views
No hot water from the hot side of the faucet for entire home
I am having hot water issue with my home. I can feel the hot water outflow pipe from the hot water heater being hot. But when I turn on the hot tap, the water turns from enventually cold.
In ...
7
votes
1answer
288 views
Why does my water heater's drain line rejoin the outlet pipe?
I know very little about water heaters and plumbing. Done some minimal work, but never water heater hookup.
I need to replace my 20 year old AO Smith 50 gal gas water heater in a house I've owned ...
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3answers
82 views
Hot water everywhere but the shower [closed]
Downstairs sink gets scalding hot. Bathroom sink (which is 2 ft from shower) gets scalding hot. Shower gets medium hot at best. Any non-plumber fixes here?
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1answer
80 views
Incoming water lines: Just a like to know what this is
I have a strange water line arrangement coming into the house and I would like to know what line is for what - I understand that I have cold 3/4 pipe coming in to the house and cold 3/4 pipe going to ...
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0answers
185 views
Cloudy hot water out of 1 sink in the whole house
There is one sink in our house that when you turn on hot water the water comes out very cloudy. It is in a upstairs bathroom and it is part of a double sink, the other works fine. Picture of the ...
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3answers
360 views
Installing a dedicated hot water recirc line and pump
I'm going to re-plumb my house. It's a 3 bed, 2 bath house. All the plumbing is on the main level, and the basement is partially finished. I'm renovating down in the basement and decided while I was ...
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1answer
48 views
Why does the hot water tank need to be drained of water in order to replace the gas valve?
I'm changing the gas valve in my hot water heater. Exactly as shown in this video.
The video is queued at the point where they drain the water from the hot water tank. My question is... why?
Note: ...
2
votes
1answer
2k views
Why did a failing water heater emit an electrical burning odor?
Our electric water heater seems to have burned out, but the breaker didn't flip off. My husband smelled an acrid burning smell in the house and traced it to the water heater, which is in the bathroom. ...
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votes
2answers
63 views
Trouble gluing cap on hot water faucet
We have a kitchen sink hot water faucet that has a cap with "Hot" on it to go on the faucet. We've tried several types of glue for it, but after a few days of usage, the heat the faucet absorbs from ...
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0answers
28 views
Bled Hot Water Heat but pressure increased again
I have a oil (converted to natural gas) hot water boiler running three zones of baseboard heat. Lately I have been hearing water rushing through one of my zones (I don't hear it on the other zones). ...
2
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3answers
368 views
No hot water (at all) on upper floors
A few days ago, the bathrooms on the 2nd and 3rd floor of my townhouse stopped getting any hot water. Nothing comes out of the faucets when they are turned all the way to the hot side. The cold water ...
0
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1answer
224 views
How often to replace thermostatic mixing valve
To start off, I absolutely hate idea behind thermostatic mixing valve, but that's not a question.
The water in my house runs hot for about 10 minutes and then turns icy cold, and I have to turn it ...
2
votes
1answer
143 views
Water radiator system has single loop instead of flow & return pipes — does this make sense?
I have a hot water heating system connected to several radiators throughout the house. While all diagrams I have seen of radiator plumbing have a separate flow and return pipe, this one has a single ...
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0answers
77 views
Black stuff comes out of faucet after running hot water for 10 minutes
After running my bath tub’s hot water for about ten minutes, the faucet is ejecting 1-2 second streams of black particulates, every few minutes. This is happening consistently after running the water ...
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0answers
81 views
What is the purpose of a Pressurised hot water cylinder
Does a pressurised hot water cylinder have to deal with just higher pressure mains cold water or does it also have to cope with the heating element being heated by a sealed high pressure central ...
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votes
1answer
26 views
What diameter should pipes from boiler to heating the hot water cylinder be
What diameter should pipes from boiler to heating the hot water cylinder be - the same as the pipes used for radiators or larger ?
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2answers
260 views
My cold water tank, has one inch of brown sludge at the bottom, what should I do
For the first time ever I have looked properly at my cold water tank. It has one inch of brown sludge at the bottom, what should I do. I assume this is the tank that provides the water hot/cold to ...
0
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1answer
133 views
Would pipe from radiator to bottom of hot water tank be supply or return?
I have one radiator that does not work at all (although it has worked in the past). Unlike all the other radiators that come directly of the main supply and return pipe from the boiler I can see that ...
1
vote
0answers
30 views
With post-build instant hot water systems should the homeowner be extra diligent about water heater maintenance?
Instant hot water systems that are installed after a house is built use the cold water pipes to return hot water back to the water heater, or discharge that water through normal cold water use. (I ...
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1answer
520 views
How to chlorinate a tankless water heater?
I live on a private well and have had a tank for a while. Every few months I'd have to chlorinate the tank (with hydrogen peroxide) to get rid of the rotten egg smell.
Two local plumbing companies ...
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0answers
23 views
How to Diagnose the noise from my Hot Water Tank
I Have a air source heat pump supplying a 250L ecoCyl tank. When it is warming the water, it makes a loud rattling vibrating sound and a series of bangs, getting louder as the tank warms towards 50C. ...
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3answers
228 views
Tankless point of use water heater that only heats when inlet is cold
There are other questions such as this that ask about a point of use heater to provide quicker hot water, but they don't seem to fit what I want.
Our kitchen sink takes a while to get hot, and I ...
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0answers
318 views
Hot water heater is leaking, how much longer will it last?
This question was asked before but the title question was not specifically answered: "Hot water tank leaking at bottom could it go from a trickle to a gush?"
I have a old hot-water heater (tank) that ...
4
votes
1answer
162 views
Flushing a water heater
I replaced my water heater 2 years ago, this weekend I plan on flushing it. I have read steps anywhere from turn off the gas and stop the water line, to just open the spigot at the bottom and fill up ...
