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Gas line sizing for additional appliances
I am starting a kitchen remodel and I want to change to a Gas range and also install a gas tankless water heater for an adjoining bath. The home has a 1" gas supply line from the meter to the 120,000 BTU gas furnace and 40 gal water heater. Can I 'T' off this line to supply the gas range and 117,000 BTU tankless water heater, and still have enough gas volume to supple the furnace and 40 gal water heater?
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Probably but look at the exact requirements of the tankless. They need a boat load of flow to work. You need to size the line for all units as if they are running at the same time. I also add 20% to the total just in case.
Here is a do it yourself chart Just use the chart it says generator but it does not make a difference just fill in your specs off your gas equipment and allow for the exact requirements of the tankless. Natural Gas Generator Pipe Size Chart |
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