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Thread: richmond rheem and whoever else - Model: RTG-74 PVN -- make and opinions...

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    DIY Junior Member haeffnkr's Avatar
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    Default richmond rheem and whoever else - Model: RTG-74 PVN -- make and opinions...

    Hello,
    I have an opportunity to purchase a used Model: RTG-74 PVN
    It is pictured as a Richmond Unit, but as I found below this is made by someone and imported by several manf. it seems.

    Brand Models
    Paloma PTG-74PVN; PTG-74PVP; PTG-74PVN-1; PTG-74PVP-1; PTG-74PVNH; PTG-74PVPH; PTG-74PVNUH; PTG-74PVPUH and PH-28RIFSN; PH-28RIFSP; PH-28RIFSN-1; PH-28RIFSP-1; PH-28CIFSN; PH-28CIFSP; PH-28CIFSN-1; PH-28CIFSP-1
    Rheem RTG-74PVN; RTG-74PVP; RTG-74PVN-1; RTG-74PVP-1
    Ruud RUTG-74PVN; RUTG-74PVP; RUTG-74PVN-1; RUTG-74PVP-1
    Rheem-Ruud GT-199PV-N; GT-199PV-P; GT-199PV-N-1; GT-199PV-P-1
    Richmond RMTG-74PVN; RMTG-74PVP; RMTG-74PVN-1; RMTG-74PVP-1; RMTG-74PVNH; RMTG-74PVPH; RMTG-74PVNUH; RMTG-74PVPUH

    Supposedly this unit has only been in use for 6 months and the sellers are selling the house and the new owners are going all electric in the house.
    Any way... they are asking $300 and I have not been able to find much on these units.
    I see both positive and negative reviews.
    Who actually made these and are they decent units?

    I have a 10 year old Aquastar 240 fx ( bought out by Bosch) unit that is starting leak in the heat exchanger and need to get something else soon before mine dies completely.

    http://images.craigslist.org/3E23L13...0e81d01fb4.jpg

    thanks Kevin
    Last edited by Terry; 02-16-2014 at 06:06 PM.

  2. #2
    Plumber jimbo's Avatar
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    Paloma Industries is the (japanese) parent company of Rheem/Ruud/Richmond. They make a good product.

    You are better off with a powerball ticket than buying a used WH of 'the list' or 'the bay'

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    In the Trades Gary Swart's Avatar
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    You also need to determine that you have a gas line sufficient to supply the heater. Unless the house was designed for a tankless heater, it likely isn't big enough.

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    Moderator & Master Plumber hj's Avatar
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    quote; You also need to determine that you have a gas line sufficient to supply the heater.

    In addition, the flue usually has to be stainless steel, not aluminum "B" vent, which can get expensive very quickly if it has to make turns or go through multiple floors to the roof.
    Licensed residential and commercial plumber

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    DIY Member Killer95Stang's Avatar
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    I went through a tankless retro-fit in my 1961 house about 7 months ago. It involved re-piping my main gas line from the meter to the unit, to supply the units 199K btu requirement. I bought the Rheem High Efficiency Condensing unit, which allowed me to use 3" PVC for the intake and exhaust vents. The difference in not needing the stainless vent pipe, paid for the upgrade for the high efficiency unit. Although the payback will probably be about 16-20 years since its only two of us, their is nothing like having unlimited hot water, no matter how many people take a shower. Plus, we went from $15-$20 gas bills in CA, to averaging around $8.00 per month for gas.

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    DIY Junior Member haeffnkr's Avatar
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    Quote Originally Posted by hj View Post
    quote; You also need to determine that you have a gas line sufficient to supply the heater.

    In addition, the flue usually has to be stainless steel, not aluminum "B" vent, which can get expensive very quickly if it has to make turns or go through multiple floors to the roof.
    I already have a 1 1/4 main going about 65-70 feet then a 3/4" 5 foot run going to my existing tankless water heater.
    My meter is upgraded - 2 times actually... I have a pool heater to with a 2 pound separate 1/2" line running to it.

    My current unit is 165K so going to 199K would be no issue.
    There is also a Noritz on the CL that was never installed and has never been warranty registered...it is 250K.

    My current unit uses some single wall pipe going through a collar, as recommended by Aquastar, out the wall... run is about 2-3 feet total.
    So piping this unit out is not a deal breaker.

    thanks for the input so far...trying to find the best unit for me before my leaking one dies completely.
    Kevin
    Last edited by haeffnkr; 12-02-2012 at 03:41 PM.

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    DIY Senior Member lifespeed's Avatar
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    Which model Noritz?

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