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How Much Gas Does the Excel RV Tankless Water Heater Use  

Question:

Excel RV Tankless Water Heater - Gas - Electric Ignition - Vent Free - 38,000 Btu - EX93FR How much propane does this use for 20 minute shower ?

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Expert Reply:

I have attached some info below regarding the gas consumption of the Excel RV Tankless Water Heater part # EX93FR.

A person can take 133 - 5 minute showers - with a 20lb tank

A family of 4 can take 5 minute showers for a month.

Calculation
1 gallon of Liquid Propane Gas (LPG) converts to 36.39 cubic feet of Propane Gas , there are 4.6 gallons of Propane in a 20lb bottle.

167.4 cubic feet of vaporized propane in a 20lb bottle.
There are 2,523 BTUH in one cubic foot of propane
This means a 20lb bottle of propane has 422,350 BTUH
The Excel Water heater consumes 38,000 BTUH
This means you can run the Excel Water heater for 11 hours

expert reply by:
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Conner L

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