Skip to main content

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).

Filter by
Sorted by
Tagged with
1 vote
2 answers
35 views

How to set temperature and mixing valve for heat pump water heater?

I have a Rheem heat pump water heater and a mixing valve. I have heard many (contradicting) advice for how to set water temperature. The mixing valve has simple settings but no thermometer and I haven'...
divB's user avatar
  • 1,401
0 votes
0 answers
23 views

1 inch Copper pipe to new Navien Tankless - no hot water on other side of house

I just installed a Navien tankless condensing unit. It sits next to the kitchen, which gets really hot water. But on the other side of the house, the water isn’t even lukewarm. I’m running a 1 inch ...
Rob Hashemi's user avatar
0 votes
0 answers
39 views

Water heater, used to be external, and now internal, any concerns?

This question is about an external patio, which contained the water heater and furnace, in a utility closet off to the side. The idea is to close off the patio from the outside, turn it into a hallway,...
mgalpy's user avatar
  • 155
2 votes
2 answers
156 views

Reconnecting a water heater from three-phase to single-phase (220V)

I switched from three-phase to single-phase system. Since the water heater was connected using 3 phases I need to change the connection to use it (It seems it could be done by changing the red/blue ...
JinSnow's user avatar
  • 526
0 votes
1 answer
83 views

I cannot find the anode rod in a water tank. Pressure release value is on top

I didn't replace the anode rod over 10 years. Tried to find to anode rod bolt but cannot reach to it from the top. I used drill and removed insulation foam 10 inches deep, but is not touching anything ...
notilas's user avatar
  • 103
0 votes
2 answers
75 views

Honeywell Gas Control Valve Gas Smell

There was a gas smell coming from my Honeywell Gas Control Valve and I called the gas company out. They had a tool that they used SENSIT GOLD G2 that they used to check for gas leaks. On it, the ...
EndlessSummer86's user avatar
3 votes
2 answers
639 views

Water heater leak increasing when main water line is turned on , but the valve is shut off

During this weekend, my water heater broke. I shut off the main water supply which stopped the water pouring out of water heater. It went to slow dripping with the residual water. I shut off the valve ...
user186768's user avatar
0 votes
2 answers
54 views

Both elements are running in my hot water tank and it keeps over heating

We recently had an incident where one element in the hot water heater cracked open and then grounded causing our house power to shut down at the main outside breaker. My dad tested the electrical ...
Angela M's user avatar
0 votes
1 answer
45 views

Ventilation needs for heat pump water heater in outdoor utility closet

I am working with an HVAC contractor to replace my current gas-power water heater tank with a heat pump water heater. It will be located in an unconditioned utility closet with a door connected to the ...
Duncan Rager's user avatar
0 votes
2 answers
84 views

Why is hot water going cold after a minute with new water heater replacement?

My brother just replaced my 20 year old gas water heater with a new Rheem 50 gallon gas tank. Everything is hooked up the exact same. The pilot light indicator light is blinking blue and the temp is ...
Darla's user avatar
  • 1
0 votes
0 answers
32 views

Water coming out of drained water heater tank hose

I have a leaking tank water heater that I am draining to replace. Cold water input to the tank is shut off. It's now been 18+ hours and I believe the tank has fully drained now. When I turn off the ...
Ken's user avatar
  • 1
1 vote
0 answers
174 views

Why are red indicators showing on all my circuit breakers?

As far as I can tell, all the breakers in my apartment's panel are showing as tripped (red 'button' visible), and yet everything has power... except my water heater. It is no longer heating up when I ...
Christopher's user avatar
0 votes
1 answer
77 views

Water Heaters in Parallel on opposite side of house

We have 2 40 gallon electric Water heaters in Parallel on opposite sides of house. The amount of hot water we are getting from shower time for example leads me to believe we are only getting 40 ...
Spanky69's user avatar
0 votes
0 answers
15 views

Propane water heater pilot heater goes out with main burner

I have a Whirlpool LP water heater model L30S61. The pilot light lights easily and the main burner comes on and heats the water. When the burner goes out so does the pilot light. I replaced the ...
Carl's user avatar
  • 1
0 votes
2 answers
48 views

Water Heater Flameout Troubleshooting

I have a Rheem water heater, NG fuel, flue vented, has been reliable for 3 years. Just experienced the 2nd flameout in about a week. When I relit the pilot last time, everything seemed normal. Now ...
Robert Chapin's user avatar
0 votes
1 answer
97 views

What is this metal object inside the hot water tank vent?

While trying to diagnose an issue with my hot water tank, I disassembled it and took a photo from the inside where the burner is normally located, pointing upwards at the exhaust vent. It seems that ...
user453441's user avatar
0 votes
1 answer
210 views

Why does my tankless gas water heater shut off when cold water is turned on?

When taking a shower, I have the hot water faucet full open. Then, if I turn on the cold water faucet on more than half way the heater shuts off. It will not start back up until the cold water is ...
Sean Ragan's user avatar
2 votes
1 answer
138 views

Is my Dedicated Recirculation Line designed correctly?

Question 1.) TLDR; is my design, overall, ok? (Pictured at bottom) I was originally going to do a dedicated "race-track" style hot water recirc line, then I came across a this YT video (...
Larry Lupe's user avatar
0 votes
1 answer
79 views

How can I prevent adjacent gas appliances from snuffing each other out?

I have two tankless natural gas water heaters (Takagi TK-510U) in a connected parallel cascade configuration. They are served by a 1" gas line and each heater takes a 3/4" tap. They work ...
Matthew's user avatar
  • 9,867
1 vote
1 answer
56 views

Why do I have water temperature fluctuation?

Bought a house with a newer hot water heater (less than 5yrs old). The shower would never get very hot and would quickly run out of hot water completely (7-12 minutes). We replaced the cartridge ...
Melissa Dawn's user avatar
12 votes
4 answers
6k views

Why does my hot water arrive at point of use slowly after water heater replacement?

I recently had a new water heater installed and since then, the hot water has taken a very long time to reach the faucets. For reference: I was able to fill 1.5 gallons (nearly 6 litre) with the cold ...
user182797's user avatar
0 votes
0 answers
22 views

how to create a drain pan wall?

I did not know about drain pans with detachable fronts (https://www.amazon.com/Square-Water-Heater-Detachable-Front/dp/B07TKDWNW7), and so ended up hacking one myself. My question now is: how do I ...
elexhobby's user avatar
  • 101
0 votes
0 answers
22 views

Replacement part for bradford water heater thermocouple

I have a bradford water heater and I am trying to replace the thermocouple. After getting it out, it looks like I can't just replace the thermo but I have to replace a full assembly. The thermo has ...
Raymond Holguin's user avatar
3 votes
1 answer
2k views

Is 200 amp service enough for a tankless water heater with a 100 amp sub panel?

We just upgraded out house service from 125 amps to 200 amps, and the house is all electric, no gas at all. The same day that happened my 41 year old water heater developed a leak and one of the ...
JBurt's user avatar
  • 367
0 votes
1 answer
84 views

Diagnosing water heater - can I apply voltage to a thermocouple?

American Water Heater BFG6140S403NOV I am troubleshooting this water heater. The pilot light won't stay on and I suspect it is the thermocouple. I measured the voltage while running the pilot ...
John Smith's user avatar
13 votes
2 answers
5k views

Why did my water heater wire burn up?

Here is a picture of the damage. Thank goodness they're was no fire. We had our breaker panel replaced today. I don't know if that's related or just coincidence. Tonight about 8:30pm while getting ...
JBurt's user avatar
  • 367
1 vote
3 answers
284 views

How can I test the thermostat for an immersion heater?

My nephew has a hot water tank with two immersion heating elements. He states that the bottom heating element no longer works, and says he tested it by swapping over the wiring from the top element (...
bertieb's user avatar
  • 435
-1 votes
2 answers
79 views

Does the water heater tank have anything to do with the house heat? [closed]

My water heater tank started leaking so we shut it off until we find the money to replace the water heater tank. However, we noticed that as soon as we shut it off, there is no heater in the house. ...
Rosario Urena's user avatar
0 votes
1 answer
133 views

Is this vent pipe and p-trap configuration to code?

I'm removing a stackable washer/dryer and installing a vanity sink for my daughters art studio. All the lines are in place, hot & cold water lines and vent pipe (washer's waste water pipe), ...
Jose Antonio's user avatar
-1 votes
1 answer
97 views

Why doesn't our new electric water heater provide hot water at the sink?

The plumber put in a new electric water heater. The water heats up in the tank, but when the water gets to the sink it is cold. The plumber said we most likely have a broken pipe. The cold water keeps ...
Pamela Huse's user avatar
0 votes
0 answers
48 views

Is there iron in my hot water heater, and will running a softener clear it?

I'm on well water and there is a lot of iron in it, so I put in Culligan water softener outfit. Before I always got a lot of orange-red color water came out after regeneration; with this new softener ...
HDRIDER2004's user avatar
0 votes
0 answers
36 views

Hot water tank leak on to the burner

I have recently drained my hot water tank as part of yearly maintenance which I have done it once after I bought this house a year ago. I see this morning water leak on to the burner made burner go ...
Afroz Patnam's user avatar
0 votes
0 answers
249 views

Navien NPE-A2 Recirculation Operation Details and Parameters?

Looking at the Navien NPE-240A2 Tankless Recirculating Water Heater Installation Manual there are several parameters of interest to me: Recirc Interval Time: Set the recirculation duration. (Default ...
Electro-Bunny's user avatar
1 vote
1 answer
50 views

Parallel installation of tankless electric hot water equipment with a boiler

I have a normal, hot water system in my apartment with an electric boiler (40L). I would like to improve my hot water system and install a tankless instant electric hot water equipment, parallelly ...
zappee's user avatar
  • 131
0 votes
2 answers
79 views

Can I make this amp meter work with a hot water heater?

I currently use a clamp meter around one of the hot legs going to the hot water heater to check amps. What I would really like is a meter that stays on all the time so I can monitor the meter 24/7. It ...
yeto's user avatar
  • 1
0 votes
1 answer
60 views

Can these vents be covered or removed? [duplicate]

This vent in our laundry/mudroom has two huge openings and vents directly outside (pictures linked at the end). When we bought the house, both openings were covered with a plastic film. During our ...
carolizine's user avatar
0 votes
2 answers
59 views

Rinnai tankless feeding tank water heater

In my newly purchased home, I have an exterior natural gas Rinnai water heater that feeds into an interior electric tank water heater, which then feeds hot water throughout the house. In addition, ...
Anthony W's user avatar
0 votes
0 answers
60 views

Can I replace my gas water heater control valve with one from a different manufacturer?

Can I replace the Honeywell gas water heater control valve (model number WT8840B1500) with a Reliance control valve?
Jeffry's user avatar
  • 1
0 votes
2 answers
150 views

Will this tankless electric hot water installation work as I expect?

I am planning to install a small electric tankless/instantaneous hot water unit in my bathroom. My question is only related to the connected water pipes. Can I connect the incoming cold water pipe ...
zappee's user avatar
  • 131
1 vote
0 answers
38 views

Why am I not getting hot water from my heater?

I have the water heater pilot on but I don't have any hot water flowing. I do have cold water running through the pipes. My water heater is in the garage and it's freezing temps. I had a heater on the ...
maria's user avatar
  • 11
1 vote
1 answer
67 views

Why is my water heater emitting cold water? [closed]

The water heater has one hose connection for the cold water (R) that comes from the street; I attach one end of the hose to the water heater and the other end to the spout on the wall that brings city ...
Adria Garcia's user avatar
1 vote
2 answers
69 views

Do you see flaws in my multi heat sources & multi recirculating pump setup?

Short version: I'm currently designing my water heating setup for a house I'm in the middle of building. Can you lend me your eyes to see if there's any fatal flaws you can see in the diagram I made? ...
Captain Banana's user avatar
0 votes
0 answers
42 views

What amp value of residual current breaker and miniature breaker for pool heater

I am looking to install a heater for a swimming pool. Following the manufacturers specification with a 220-240 volt circuit the device draws 53 amps. There is also a dedicated RCD safety circuit that ...
Gurnard's user avatar
  • 253
0 votes
1 answer
90 views

Would it be fine to use EMT to power a tankless water heater instead of flexible alternatives?

I recently had some plumbers install an exterior (natural gas) tankless water heater here in central Texas, in case the jurisdiction and / or climate matters. For the purposes of getting it installed ...
ZachS's user avatar
  • 103
0 votes
1 answer
47 views

Splitting 60 amp 2 pole to 3 -40 amp 2 pole subpanel

Can you split a 200 amp main circuit breaker box with a 60 amp 2 pole circuit breaker into 3 - 40 amp 2 pole circuit breakers in a subpanel for a tankless water heater?
GMalcom's user avatar
0 votes
1 answer
67 views

Weird random pipes banging

I have a strange problem with pipes banging at random times throughout the day. It seems to be related to our on-demand (gas) Rheem water heater, which was installed about seven years ago. The banging ...
5000fingers's user avatar
0 votes
0 answers
99 views

Is the bleeder valve on top of the air separator above the expansion tank supposed to stay open?

I have a Navien hot water heater, it looses pressure slowly and external low water light comes on. I noticed the bleeder valve on top of the air separator is closed. If I open it, air comes out high ...
Rich's user avatar
  • 1
1 vote
1 answer
165 views

Can I plumb a heat pump hot water heater in-line before a tankless hot water heater?

I remodeled a house a few years ago with a propane-fired Vitodens 100-b1KA Combination boiler/tankless hot water, but I got tired of the inconsistent hot water temperature and the exhaust venting into ...
Carson Michaels's user avatar
3 votes
2 answers
467 views

Would the steel cable connecting flexible water heater anode rods act as a cathode?

I am planning to replace the anode rod on my water heater. Since I only have 19" of clearance to work with, I need to use a flexible replacement. Looking at the available products, most have ...
T N's user avatar
  • 133
2 votes
1 answer
125 views

How to access the primary anode rod for Kemore Power Miser 12?

I am attempting to check the status of the anode rod(s) of a Kenmore Power model 153.320892HT. Based on the owners manual, there are 2 anode rods, a primary which is accessible via the top of the ...
David Anderson's user avatar

1
2 3 4 5
24