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water heater

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  1. chandlerp

    Water heater - incorrect plumbing?

    Hello all, I created an account to simply ask this question. If it comes across ignorant, please ignore lol. I had recently purchased my home (about 6 months ago) and the seller had installed a new water heater right before selling the home to me. Fast forward today, I asked a plumber to fix a...
  2. T

    Turning on Water in Home after Months/Years?? Loud groaning noise.

    This might be a very newcomer inquiry: We have a double-wide on our property that some family might settle in within the next few months. But I recently turned on the water/switch after the house had been sitting shut-off for a while (we'd turn the power and water on every few months.) This time...
  3. T

    Tankless Heater Failure

    Hello! New here, not sure if this is the right place to post. We just moved into a home with an older tankless water heater made by a brand that doesn't exist anymore. A few days back it stopped working and starting giving an error message of 11, with an occasional 12 thrown in. The company...
  4. Armstrongap

    Water hammer at hot water heater

    I’m hearing what sounds like a water hammer in the pipes near my hot water heater(tank). With no water running, it knocks about every few seconds to a few minutes. I turned off the water heater at the breaker, electric only. Waited a day and used up what hot water was left. The knocking...
  5. C

    Vacuum Breaker Sizings

    Hey all, I have a couple vacuum breaker sizing issues that I need to sort out. I'm not a professional plumber and I've been asked to explain sizing issues with vacuum breakers in specific situations (this is a weird one, I know). All the information they gave me is this: 'Provide a few sizing...
  6. D

    Cold Water not going into Tank

    I recently replaced my water heater and also the hoses that connect to the pipes in the wall. I did have to reem on the wall pipes pretty good, but do not feel I broke or bent then in any way. However, with everything connected and ready to go, I turn on the cold water valve, and it flows for...
  7. J

    Dielectric Union Needed?

    I just had a Rheem Power Vent unit installed. The technician installed the copper pipe from the house directly to the two heat trap nipples. The nipples are silver in color so I assume made of steel. I contacted Rheem to confirm if those nipples acted as dielectric unions and their response...
  8. C

    Small copper line on top of water heater pipe

    i noticed there is a small copper pipe that is disconnected from the fitting on the main pipe on top of the water heater and I am unsure of its purpose. I had a family relative remodel our laundry room 2.5 years ago and he made a lot of mistakes with the plumbing. I am wondering if he forgot to...
  9. Andrei

    replacing valves

    Hello, thank you for looking at this post, hopefully you can share some of your knowledge with me... ----------------------------------------------- Issue: None-functioning Taco 006 Circulator, causing low to no heat in the house. ----------------------------------------------- SPECS: Unit...
  10. H

    New Pressure Relief Valve Leaks

    My water heater TPR valve was leaking - not much - couple ounces/day. I replaced it. It's still leaking. Not quite as much, but it still dumps a couple ounces/day. Even if both temperature settings are set low (both the same, 120 degrees). Does this mean the water heater is bad? It's a...
  11. L

    Circuit for heat exchanger water heaters

    Hi, I'm a bit stuck on a hot water circuit that I'm trying to come up with for a small guest house. I have 6 water heaters with built-in heat exchangers that I'm planning to connect to a loop, itself fed by a solar water heater and/or a heat pump. I came up with 3 options (see drawings), but...
  12. B

    Water heater leak from top. Am I on the right track?

    I have a probably 13 yr old water heater, so I know its getting up there. I just got a leak on what looks to be the hot water outlet. (The leak is hot). It doesnt look to be the joint, and it seems to be coming from under the cover/red cap. I found some threads talking about dielectric...
  13. R

    Tankless electric water heater makes noise

    I bought a home and the hot water tank was rusted out so I decided to install a tankless water heater. I installed it and it works but after about 3 months i started to hear a loud banging noise when the water was in use. I researched it and most people said it was jackhammering, i think that...
  14. M

    Tankless Water Heater Replacement

    Hello, our Eemax EX280T2T water heater recently sprang a leak. We're hoping to replace it but the reviews for the same unit are not that great and we'd like a solid, reliable replacement, but we'd also prefer to do minimal rewiring and plumbing work. Obviously we already have the three circuit...
  15. Nycgirl646

    No cold water in apartment, please help!!

    I live in a prewar co-op apartment in NYC and it takes 5-10 minutes for the cold water in my kitchen to get truly cold. It can start out anywhere between 70-80 degrees fahrenheit when first turned on and takes 5-10 minutes to drop to temperatures in the low 60s. The super and plumbers have...
  16. D

    Tankless Rinnai That's Never Been Flushed

    Hi All, I'm buying a home built in 2013 that uses a tankless Rinnai water heater. I know the current owner's never flushed or serviced the unit, and I'm trying to decide the best course of action. 1) The seller can hire a plumber - probably the cheapest they can find - to service the unit...
  17. Microbell

    Mobile Home Water Heater Replacement

    Greetings All, I'm looking for some expert advise and direction on a nightmare project that fell into my lap from my Grandmother. As I'm not a professional plumber and only have average skills (used to plum swimming pools) I need advise on how to tackle this project as I have no choice but to...
  18. R

    Pressure problems

    Hello this is my first post on this forum! Hopefully I'm putting it in the right place. Ok here goes. I live in a mobile home so I don't have extra floors. So I removed and installed a new water heater(40g to 60g) and a water softener(42k bead). When I installed I plumbed 1/2" piping for the...
  19. bdmeyer

    Water heater Pressure Relief Valve open up

    Maybe two or three times a week my PRV discharges water. I have the PVC pipe running into a 5 gallon bucket so it doesn't run all over the floor. It fills the bucket up about ever 4-5 weeks. Is this bad, or merely doing what it is supposed to do? Thank-You
  20. S

    Combined two water heaters and now have water hammer

    Hoping some experts can chime in and help out. Both my plumber and I are stumped. Here's what we did: 1. Replaced two 50 gallon water heaters in the attic with a 75 gallon in the garage (18" off the floor). The 75 gallon was directly below one of the old 50's in the attic, and we ran...
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