Inadequate Hot water to fill Spa Tub

Discussion in 'Shower & Bathtub Forum & Blog' started by KyNew, Feb 15, 2021.

  1. PlumbNuts

    PlumbNuts SC Licensed Plumbing Contractor

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    Fort Mill,SC
    I agree with your point (even it if it almost sounds like you are calling the OP a liar), I did ask that question and I also would like to know what "ordinance" is being cited.
    I know that individual municipalities have the right to adopt codes that are more stringent than those adopted by the state and this may be one of those situations but that does seem unrealistic.
     
    MASTERPLUMB777 likes this.
  2. Reach4

    Reach4 Well-Known Member

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    IL
  3. PlumbNuts

    PlumbNuts SC Licensed Plumbing Contractor

    Joined:
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    Occupation:
    Owner, Plumbing Repair Service
    Location:
    Fort Mill,SC
    MASTERPLUMB777 likes this.
  4. Reach4

    Reach4 Well-Known Member

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    I posted the link that I intended. It says that the federal law has prevented manufacture of home resistance electric WHs bigger than 50 gallons. That would not be a KY-specific thing. That article also discusses various workarounds.

    I did fail to post as much as I planned, Here is more of what I intended to quote:
    the National Appliance Energy Conservation Act of 2015. Water heaters manufactured after April 16, 2015, must meet the new energy requirements. This law applies to electric and gas hot water heaters. The gas hot water heaters are still available because the makers could make changes to the tanks that brought them into compliance.​
     
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  5. Paulypfunk

    Paulypfunk In the Trades

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    Seattle
    It was not my intent to call the OP a liar. I was implying that their CONTRACTOR might be lying or ignorant of some of the other choices they have.
    As for the article just posted, it refers to Palm Beach Florida and not Tennessee. Still waiting to see a Tennessee specific prohibition on large tanks. The article refers to NAECA OF 2015 which does raise the efficiency standards and standby loss rating of all water heaters. If you look up that actual law it does not prohibit large tanks, it just says they have to have more insulation. For instance, an 80 gallon electric water heater has to have an efficiency rating of 1.97 vs 0.86 for an old tank. Hell, I even called a plumbing wholesaler in Tennessee and asked him this question and he just laughed. They sell 80 gallon electric tanks all the time. Yes, you might need to go to a hybrid, an heat pump style, a light commercial or a ‘heavy duty’ tank.
    I’ve run into this in the field a number of times when swapping out an old electric tank. The new tank of similar gallon capacity won’t fit because the OD of the tank is larger because they have thicker insulation under the metal jacket. I got into a pickle doing lowboy heaters in an old apartment building because they were under the 34” kitchen countertops. The new tanks wouldn’t fit. I think this is why you see more tall can hwhs these days because you can keep the diameter the same if you make it taller.
    To reiterate my point...some bro be lyin’, or they are basing their professional opinion on bad information.
     
    Last edited: Feb 26, 2021
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  6. PlumbNuts

    PlumbNuts SC Licensed Plumbing Contractor

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    Fort Mill,SC
    If I were you I would call a different, licensed plumber to come out and assess your home.
    I am beginning to believe that you may have been misled by someone, but a good, reputable, licensed plumbing contractor should be able to provide accurate information.
    Go ahead and contact 2 or 3 for estimates, you will need one anyway to get the new unit installed regardless of how you decide.
     
  7. PlumbNuts

    PlumbNuts SC Licensed Plumbing Contractor

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    Fort Mill,SC
    The article that comes up when I click on it is from a company called Water Heater Experts; I have read the article and nowhere in it does it say:
    It says: "you will find that finding a replacement 80 gallon water heater is almost impossible."
    "Almost impossible" and "against the law" are two different things. Furthermore that article was written in 2017 when that statement may have been more accurate but all I have to do now is log onto my suppliers website and I have multiple "code compliant" 80 gallon electric water heaters to choose from.
     
  8. Reach4

    Reach4 Well-Known Member

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    • Residential?
    • Not hybrid?
    • In stock?
     
  9. Paulypfunk

    Paulypfunk In the Trades

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    Feb 26, 2010
    Location:
    Seattle
    I know of no prohibition in putting a ‘heavy duty’ or ‘light commercial’ water heater into a large house, provided the wiring is adequate. This debate is getting somewhat academic. The main point is that the client was not well served by the original solution. The plumber should have found a different way.
     
    Tuttles Revenge and PlumbNuts like this.
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