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Lp gas pressure "conversion"

kcoppkcopp Posts: 1,706Member ✭✭✭
I have a customer who has an existing direct vent water heater that is LP gas fired. It is on its last legs and leaking. He would like to replace it w/ a tankless fired unit. Problem is that the copper gas line runs over a finished space and is undersized. Is it possible to convert that to a 2# set up and then put a step down regulator in? What has to happen at the tank? New regulator or just an adjustment?
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Comments

  • Aaron_in_MaineAaron_in_Maine Posts: 151Member ✭✭
    Yes

    Yes you can as long as nothing else is on that line. You will need a new regulator at the tank and a maxitrol for your new tankless. If there are other appliances on that line then they will need maxitrols as well.
    Aaron Hamilton Heating
    ahheating@ yahoo.com
    (207)229-7717
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  • TonySTonyS Posts: 840Member ✭✭
    It depends

    If you have two step regulation, A 10# at the tank and a 11 inch wc at the house, then you will only need to change the one at the house and add another inside.

    If you have a two stage single regulator you will need to replace the one on the tank .

    Download the serviceman's manual and the products catalog. It will show you everything. http://www.regoproducts.com/LPG/Products.html

    Remember to check and see if the tank will be large enough to supply the gas without freezing up. The tables are in the manual.
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