Questions tagged [hot-water]

Questions about systems that produce and distribute heated water.

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2answers
80 views

Can I switch the hot and cold water supply to improve the pressure of hot?

I have a very old house (built in 1903) with very old and corroded pipes. Because of the corrosion, the hot water pressure is fairly low (mostly in the shower) but cold water pressure is okay. I’m ...
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1answer
47 views

Unable to turn knob on Rheem hot water heater to pilot

I have a Rheem heater (Model# PROG50-38N RH60). The pilot has gone out. This tutorial suggests I must turn the knob to pilot to start the process of relighting the heater. When I try to turn my knob ...
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1answer
75 views

Do I need a floor drain for the water heater in my townhome?

I’m looking at replacing an 11-year-old water heater as the hot water has become extremely discolored recently. I have flushed it twice in five years (I know, not enough) and could never remove the ...
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4answers
66 views

Very interesting issue - Hot water not coming out

Two days ago, my plumber had capped existing hot and cold waters lines in one of the shower and tub area as part of the remodel process. Since then I did not get hot water anywhere in the house. I ...
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3answers
214 views

Why is this apartment water heater so much more expensive than my bigger home one?

A friend living alone in a 2 bedroom condo needs a new water heater and has been quoted over $4000 from multiple plumbers to replace the one pictured. I live in a 6 bedroom house with 7 people, I ...
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2answers
61 views

No hot water upstairs after turning off main water to install new sink

Turned off the main water to install a new sink, after we turned it back on there is no hot water in one shower upstairs and very little hot water in one of the other showers. Checked the hot water ...
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0answers
18 views

Hot water faucets turn cold after15 minutes shower, some hot water faucets are still hot, we just replaced our hot water heater and furnace

Getting cold water in multiple hot water faucets after someone takes a shower or hot water is run from a facut. This issues was not happening prior to installing a new Oil furnace and oil fired hot ...
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1answer
71 views

After a water main line repair on our street, our hot water stream for the bathtub suddenly is very weak. Could the pipe be clogged by debris?

Situation as described in the question. We first suspected a partial freeze (temperatures have been extremely and unusually low here in Austin), but even after hours of running the steaming hot ...
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1answer
78 views

Extreme cold: Pipes seem ok, except hot water for bathtub which only trickles, despite being closest to water heater. Can it be frozen? Burst?

Situation as described in the question. We have a peer & beam foundation. I already went under the house to check for a possible leak. The bathtub pipes are impossible to get close to, but from ...
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3answers
28 views

Washing machine hot water hookup valve repair

Recently I found my washing machine hot water hookup drips slightly when the washer is not attached. I believe it is a bad valve. When the washer is attached, water flows to the drain and doesn’t ...
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2answers
66 views

How to heat a bathtub when the water heater isn't doing enough?

I have a big tub and a small water heater. I live in an apartment so there's not much I can do about that right now. I've looked into immersion heaters and from what I can tell they aren't meant for ...
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3answers
91 views

Hot water tank only has warm water after bath

We have a new 60 Gallon (US) gas hot water tank. After running a bath, water coming out of it is warm instead of hot. Is this normal? Precisely, here is the experiment I performed: Temperature ...
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1answer
33 views

Second Pressure releif valve in hot water system?

My water heater has a pressure releif valve attached to the top, with a downspout that drains on to the floor. There is a second release valve on the hot water distribution pipes, this one drains to ...
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2answers
70 views

Replacing 2 hot water heaters with 1

I've recently purchased a home that has two hot water heaters - one at each end of the house. One in the garage, one in a closet. They're both showing their age, and both cost quite a bit to operate. ...
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3answers
151 views

Will an in line water regulator fix my tankless water heater trade off between pressure and hot water?

I had a contractor install a Rheem electric tankless water heater in my casita. I initially wanted a much larger one but he talked me into the Rheem 13 KW 2.54 GPM. When the unit was installed the ...
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0answers
7 views

Heating Issue — hot water baseboards

and thank you. I have a gas hot water boiler, two story house, hot water baseboards on top and first floor, boiler in the basement, separate circulating pump and loop for each floor. The boiler kicks ...
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1answer
66 views

How can I heat river water for skating rink construction without access to power?

I'm working on designign an ice flooding rig, and getting power to it is a big challenge. This is remote (middle of a river) so I'm looking to carry enough fuel to flood for a few hours straight, and ...
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4answers
1k views

Replacing toilet shut-off valve and need to turn off water; Need to turn gas water heater to pilot?

I'm replacing a toilet shut-off valve (clean water flowing into tank) on the first floor of my (100-year old) home. I'm reading that I need to shut off the water, then drain the lines, before making ...
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2answers
45 views

A newer gas hot water heater keeps getting colder. Where is the first place to look?

We had a new hot water heater installed 1-2 years ago. It worked great up until about 2 weeks ago, where we all noticed that it no longer was heating to the same temperature. I can continue to crank ...
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2answers
98 views

How do I bleed a very old radiator and identify whether my system is steam or hot water?

All radiators are heating except one, so I'm trying to bleed it. There doesn't seem to be an obvious bleed valve (unless it's that nondescript, frozen, simple bolt on the top front corner of the left ...
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1answer
60 views

Will reducing the size of a pipe running to my bathroom reduce pressure at the fixtures in the bathroom?

I bought an older house and there are 1 inch pipes running from my hot water heater, across the basement then up to the bathroom on the second floor. The pipe also goes a round-about way and there is ...
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1answer
41 views

Sink Hot Water Spigot Controls Shower Temperature

I have a contractor here to redo my guest bath, which is in-between my main water line/hot water heater (tank) and my master bath. The master bath is on the farthest side of the house away from the ...
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1answer
18 views

Water turns cold after water heater circulation pump is off

I have Rheem water heater and newly installed circulation pump. I am facing a weird situation with the circulation pump which is that the circulation pump is set to run between(4PM-9PM). When I take ...
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1answer
77 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 ...
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0answers
20 views

Hot water only when multiple sources turned on

When one hot water source is turned on, the hot water is only lukewarm. But as soon as another source is simultaneously running, the water runs hot. For example, the kitchen sink runs cold, but if I ...
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1answer
62 views

Pipe insulation, pros and cons

Someone told me that pipe insulation is not necessary, rather he said it could cause more problems. I'm under impression that he's making an excuse because he forgot to put it back. Any inputs, anyone?...
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1answer
74 views

Sediment/flakes in hot water

For the past year or two, I’ve been seeing a lot of these hard brittle flakes coming out of all the faucets in my house (kitchen sink, bathroom sinks, and shower/tub). Now that I actually have the ...
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1answer
56 views

Shower Runs out of hot water after a few minutes but sinks stay hot at the same time

I've just moved into a new house and my shower runs out of hot water after a few minutes. It's heated by a 10 year old Bosch tankless natural gas unit which I believe claims 105k output BTU which ...
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2answers
23 views

Comapatibility with dedicated hot water recirculation plumbing

Can this Watts Premier hot water recirculating pump (0955800) be connected to a dedicated plumbing (already intalled in the house) that recirculates water back directly to the tank and does not go ...
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0answers
36 views

Why does my Vaillant boiler shut itself off every day?

I'm subtenant and I have Vaillant boiler (don't know which model). Every time I use shower after few minutes boiler shuts itself down and the burner lockout indicator is flashing. I'm then without hot ...
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1answer
31 views

Kitchen faucet only gets lukewarm, never gets hot

Recently my kitchen faucet will only become warm but never hot. Both water valves are completely opened. Every other faucet in the home get hot and work properly. Any ideas?
2
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1answer
79 views

Why does one of my showers consume all the hot water?

1960s house with 2 showers. Just replaced the 55gal electric hot water tank elements, and there is hot water in all of the faucets, showers. However one of the showers only runs lukewarm. Obviously ...
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2answers
67 views

How to remove hot water baseboard?

I have a room which is getting too hot during winter and I want to disconnect the hot water baseboard in it from the heating system. Problem is that heating system is a loop and room is in the middle. ...
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1answer
51 views

What is a 94+ AFUE gas boiler?

I saw that my Natural Gas provider stated I could receive a benefit if I had one or installed one, so I was wondering what it was.
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0answers
28 views

Only cold water in new shower installation

Converted a separate tub and shower into one large shower. Intake lines were moved from the center wall which separated the tub and shower to a back wall. Put in new mixing valve and am only getting ...
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1answer
25 views

Symmons shower isn't producing hot water

A shower in one of our bathrooms isn't producing any hot water (but every other sink/tub in the house is). I tried to fix this by loosening the limit screw so the handle would go a bit farther and ...
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1answer
129 views

Dishwasher water line not providing hot water

Have an odd situation that started a week or so ago. The dishwasher was running to completion and dishes were either still dirtyish or the dishwasher pod was not dissolved and the dishes basically ...
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0answers
28 views

No hot water in one tap

We have hot and cold water in all our mixer taps except one, in the bathroom one works the other is only cold. Could the problem be the tap? It is 36 months old, and this has just started happening. ...
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0answers
78 views

“Looping” the plumbing in a master bath

Background: Sorry for the long explanation, but I think it's worth providing everything up front. We are remodeling the upstairs master bathroom. Due to some nasty floor joists I've already had to ...
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1answer
71 views

What kind of hot water system is this?

I have a basic question that will surely be very easy for anybody less awful at this kind of thing than me: this is an electric hot water system, right? What are the various inlets/outlets/valves? (If ...
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3answers
680 views

Are electrical screws a standard diameter?

I've just had to reset the thermal cutout of my immersion heater. Whilst removing the cover, I've stupidly dropped the nut somewhere behind the tank. Fishing around with a magnet has pulled up all ...
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1answer
44 views

Delta two-handle still leaking on hot side

So, I'm obviously doing something wrong, but I'm not sure what. I have a delta two-handle fixture in my bathtub and it was steadily dripping from the faucet, so I thought I could fix it myself. I ...
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1answer
138 views

Why is it illegal to change temperature of water heater?

The title is a little misleading. I know why it’s illegal, but I think what’s really important is the end result (users, especially children, don’t get burned). I’m curious why it isn’t equally as ...
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1answer
35 views

Extension Hose for a Tank Booster

My plumber told me that this tank booster won't work with my hot water heater. [edited: somehow the rest of my question got stripped off on first post] His reason is that the cold water inlet and ...
16
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3answers
3k views

Turn off hot water without hot water valve

I have a leaky pipe on the hot water side that I'd like to fix. Following the pipes back to the water heater, I don't think there's a shutoff valve installed anywhere in the line, not even at the ...
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1answer
173 views

Anode rod debris on bottom of tank

I replaced the anode rod on my water heater, when I looked down after draining, I could see pieces of the old rod lying in the bottom of the tank. The old rod clearly had bits broken off from the core ...
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2answers
174 views

If I flush my hot water tank without unplugging the recirculating pump, Will it cause the pump to fail?

If I flush my hot water tank without unplugging the recirculating pump, Will it cause the pump to fail? Will the failure happen immediately, or can it fail later over time?
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0answers
56 views

Why are my water heater's hot and cold connections oriented opposite convention?

I installed a 30 gallon Rheem water heater at one of my apartments. When I started to install the water lines, I noticed the right side indicated it was the hot side. The HOT word was stamped in the ...
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1answer
58 views

How long for the hot water to stop smelling with anode rod change?

I changed the anode rod in my hot water heater, the change went smoothly (thankfully), but now I'm curious how long does it typically take for the water to stop smelling? Do I have to drain the entire ...
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3answers
455 views

Shower runs cold, then hot, then cold. Faucet in same bathroom runs hot after shower

The 50 gallon gas water heater is on the first floor. Water pressure coming into the house is roughly 40 psi. On the second floor the kitchen and bathroom faucets are cold when turned on. I mention it,...

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