Questions tagged [water-heater]

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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84 views

Return strategies for major appliances

Last week I purchased a water heater from our local Home Depot, a Rheem Gladiator model (one of those with the leak sensors and wifi/smart stuff). It wasn't easy lifting it into place in the confined ...
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57 views

How many extra water heaters do we need for 5 full baths and 2 sets of washer and dryers?

We purchased a home to convert it as an Airbnb for 10+ guests in Atlanta. The house currently has 3 full baths and a washer and dryer set. It also has a full basement that we are going to finish with ...
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48 views

Raising waterheater on bricks to gain clearance under

I was wondering if it's recommended (against) raising a waterheater on bricks to gain clearance under, which is desirable in my case to clean the air intake? The waterheater will be sitting on a ...
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55 views

Bypass to feed cold water into hot pipe

I would like to be able to feed water from the cold water pipe into the hot pipe directly bypassing the waterheater (WH) upon demand, such as the WH being off for whatever reason. The switch would be ...
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21 views

Yellow slime in water pipe

Our water heater expansion tank sprung a leak this evening. I am going to replace it but in the short term I cut the horizontal pipe that lead to the tank and capped it with a SharkBite. I was ...
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1answer
93 views

It takes a long time before I get hot water upstairs. could this be due to hard water?

I live in a three-story townhouse and I have a Navien tankless water heater installed in my first floor garage. When I turn on hot water on the first floor, I’m able to get hot water pretty quickly, ...
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43 views

Warm water often coming from cold taps

The issue I am having is that very often, the water in the cold line from my taps is cold for a few seconds when I turn it on, and then it warms up almost immediately and stays warm. Last year, I was ...
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1answer
81 views

Can water heaters receive hot water through the inlet pipe without malfunctioning?

I'm using solar powered water heater panels now, and I want to reuse my old gas heated water tank, as just a reservoir for accumulating hot water from solar without gas powering it (disconnected from ...
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22 views

Leaking around flange on inlet of water heater

I am having a problem with a leaky water heater. It is leaking on top around the cold water inlet. I replace the nipple, but this did not fix the issue. It appears the leak is not right around the ...
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54 views

Air in hot water lines after new water heater installation

Replaced 20 year-old water heater (professional install) a month ago. Ever since it was replaced I get air in hot water lines first thing in the morning. I get less air throughout the day since I use ...
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1answer
77 views

How to find a drain line for water softener installation?

I'm looking to replace "Nuvo Home" with a Aquasure salt-based water softener (Harmony Series 48,000 Grains). Installation process seems to be straightforward, but I'm not sure where the ...
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1answer
42 views

Connect bottleless water dispenser to this water installation?

I have a bottleless water dispenser with a thin blue tube that connects to the water source. I have an area for the dispenser, but I don't know what water connector I have to purchase to make it work. ...
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112 views

Vent 80% gas water heater through rim joist?

Can an 80% efficiency, draft hood, 40k BTU, water heater be vented through a 2x10 wood rim joist with painted cedar siding? Assume proper pipe sloping. The termination would be roughly 2 feet above ...
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39 views

If I build walls surrounding sump pump, water heater, furnace, A/C, will it work stopping flood water from spreading to entire basement?

In the past, my basement was flooded twice. Both of which where lower than 8". I'm wondering if the following works to prevent future flooding of my basement or stop water from spreading to the ...
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1answer
34 views

Valves on an electric hot water heater

I'm getting ready to replace my GE electric hot water heater. On top there are hot AND cold water valves. When draining the heater, I know to shut the cold water valve. What about the hot water valve? ...
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63 views

Water Heater (Tankless), Furnace, Chimney? What order of work? Different contractors?

PRIORITY 1: I have a 21 (yes 21) year old water heater (go AO Smith!) that I want to replace with a tankless water heater (live in MD). WANT 1: I have a chimney that needs to be lined and a fireplace ...
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39 views

Expansion Tank on Water Heater horizontal installed

When I check the pressure on my horizontally installed expansion tank, I get a little water coming out as I depress the pressure gauge on the valve. The valve is on the lower side of the tank. Is that ...
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1answer
60 views

Why does my shower fixture groan every 10 seconds?

For a few years now I have noticed a groaning noise from the wall behind my bedroom shower valve every time a water faucet is turned on and off anywhere in the house. Today I noticed that groaning ...
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1answer
65 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 ...
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3answers
86 views

Constant water running from hot water heater

A few days ago I started hearing water running from washing machine drain. After looking it is the copper pipe running from the hot water heater. There is no other leaks, no loss in pressure or ...
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1answer
91 views

Is it safe to tie a water heater pressure release pipe into an HVAC condensate drain line?

The current setup in my basement has a long pvc pipe going from the HVAC system to a floor drain about 8 feet away. When I had a new water heater installed the plumbers put in a drain pan underneath ...
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1answer
15 views

Error code 32 - Rheem PowerVent water heater

My Rheem PowerVent water heater is flashing error code 32. I have bypassed all the sensors, and everything checks out. What else is left to try except the board?
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124 views

Can a hybrid (aka heat pump) water heater be installed outside?

Our current water heater (gas, tanked) is installed in a little enclosure on our back patio. We want to replace it with a heat pump water heater. We live in Southern CA. It never freezes. ...
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1answer
24 views

Insinkerator Hot Water Heater vent problem

The vent tube on my white (latest model?) Insinkerator keeps detaching (blowing off under pressure?) causing leakage inside the cabinet. Is the problem likely to lie in the faucet/tap or the heater ...
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1answer
27 views

Good water heater Had air conditioning dripping slowly on it need product to repair

Our water tank is in perfect condition however we had a drip from our air conditioner that was falling on our hot water heater in one specific area that we were unaware of. once we realize what was ...
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2answers
73 views

Whole house vs localized water filtering?

My house uses city water. For the most part it is clean and tastes fine, but I can see mineral build up in toilets and elsewhere. I started to research whole house systems with 1-6 types of filters. I ...
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1answer
41 views

What pipe should I use to connect a gas line from furnace to water heater

I recently had my house undergo an inspection in process of a sale. The only thing that the inspector pointed out was that the gas line from my furnace to the water heater in utility closet was copper....
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1answer
104 views

Do I need to replace 14-year water heater which looks new and functions well

I have Googled extensively and people say a water heater (40 gallon tank, gas type) lasts 8 to 12 years. My water heater is 14 year old and functions well. It looks like brand new too. For 14 years I ...
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2answers
143 views

Why is my main breaker tripping when I use a pool heater on a 50A breaker?

I have installed the 50 amp pool heater connected to the 50 amp GFCI breaker and is located outside. And I have connected to a 60 amp breaker at the panel. After a couple of seconds, when I turn on ...
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1answer
104 views

The contactor doesn't switch ON during the Off-peak hours (French installation)

My water heater works well in when I set the contactor to "forced mode". But it doesn't work in "auto mode" (it should switched ON during off-peak period, but it doesn't). (It's ...
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35 views

Does a diverter valve based on temperature exist?

I want to install a solar water heater in my house in the future, so I've been thinking about how I could do it, something like this: Cold water enters the solar heater, hot water comes out. If it's ...
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1answer
34 views

Long duration gas water heater with water off

My daughter is in litigation on numerous issues with her home. The issues include numerous water leaks, so the water is turned off at the street. The plumber assigned recommended the water heater ...
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49 views

Replaced the anode rod on my water heater!

We bought the house in 2019 and thought it would be a good time to replace the anode rod. Given that it was my first time doing this, I was somewhat surprised to find the rod had completely corroded. ...
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1answer
51 views

Can I build a small basement under wood cabin and add an electrical boiler 30L for shower and sink?

Can I build a small basement under wood cabin and add an electrical boiler 30L (e.g. Ariston Andris) for shower and sink that would be at ground floor?
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1answer
15 views

Hot water heater flush valves too close

I have an outdoor Rheem water heater that I want to flush/descale (run vinegar through it). Problem is, the two flush valves (hot and cold) are so close to each other that I can’t fit my hose to ...
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3answers
153 views

Is it possible to run a water-heater on a undersized breaker for years?

We have an Whirlpool 50 gal 240v water heater (4500watt elements) that was installed by a plumbing company in 2016. We had zero problems with it until last week when it started tripping the breaker. ...
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53 views

How to undo an union on sacrificial anode?

I was planning to inspect (and possibly replace) the sacrificial anode rod on my water heater. However, the union from the cold water supply to the rod looks differently from what I saw elsewhere. In ...
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2answers
353 views

Why did the bottom water heater element fail before the top when run empty?

I rather stupidly drained my electric water heater without shutting the power off. When I refilled it, it did not heat, which is expected. I assumed I blew the top heating element as it drained, which ...
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49 views

What gap from water heater to ceiling? [closed]

I am mounting a new large (150L) water heater inside a bathroom. What gap should there be between the top of the device and the ceiling? Some concerns: heat retention instead of being transferred to ...
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31 views

Why does my gas water heater periodically make a knocking sound?

My gas water heater makes a knocking sound seemingly once a day or once every other day. When I look this up online, everything indicates that it is the result of sediment having settled to the bottom ...
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1answer
65 views

Hot Water Running Out in Large Home - Tankless Gas Unit with Tank?

We have a large 3600 sq ft vacation rental that tyically houses 10-14 people. We have a 50 gallon gas tank water heater but guests have complained that the hot water runs out after a while. We have ...
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73 views

Could a pressure relief valve that drains up cause my water heater to explode?

In the case of a big pressure build up, could this "hypothetical pressure relief valve" piping installation indicated in black below cause my water heater to explode? What could be the ...
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1answer
48 views

Help understanding heating system

I recently moved to a new home and I'm a bit confused about the heating system. I seem to have an immersion heater (which uses electricity?), and also something in the kitchen (that uses gas?). I had ...
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2answers
120 views

Can I swap my natural gas water heater for an electric model in my hydronic system?

I'm in the market for a new water heater and had some questions. Current unit is an 50g Envirosense Power Direct Vent heater (Model No. 6G50100N full specs). The water heater is part of a hydronic ...
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1answer
158 views

Rinnai tankless on-demand water heater making a high-pitched whistling sound

I have a Rinnai tankless on-demand water heater. The unit is making a high-pitched whistling noise. I have: -Unplugged the unit from the electrical wall socket. -Turned the gas valve to the off ...
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1answer
207 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
47 views

Yellow droplets from ceilling after water heater leak

I live in condominium, I got water pouring from upstairs in my store room. When I asked my upstairs neighbor he said that their water heater leaked. For 20 minutes or so I saw clear water coming ...
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2answers
90 views

Water heater problems after water was shut off

I just purchased the house and I did not convert the water utility into my name in time and it was shut off. (The water will be off for 4 days as its the weekend). The water pump on top of the ...
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1answer
39 views

Draining 2 series connected water heaters?

I have 2 series-connected water heaters. I have sediment showing up in my shower head clogging it. So I am thinking I need to flush my water heaters. I understand if I have 1 water heater to shut ...
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50 views

Why is the water pressure suddenly high in my toilet after hot water heater replacement?

I got my hot water heater replaced this morning. Immediately after the water pressure in my toilet became very high. When flushed it’s so forceful I jump. I noticed a noise when the guys were still ...

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