How to figure volume in gallons re hydronic systems.

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you could drain and blow out the contents with a compressor and measure what comes out. I have done this on radiant floor loops a time or two to determine loop lengths.

If the piping is covered or hidden it will be tough to use any type of calculator. How close do you need to get?

hot rod

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Conwell Reid

How to calculate the volume of water in a building.

How would I determine the volume of water in gallons, for a building which has hydronic heating?

Johnboy

What kind of hydronic heating? fintube, radiant floor?

Brad White_9

Try this

Simple spreadsheet (Template or .xlt) based on Sch. 40 pipe from 3/4" to 12" pipe size, big enough to do a small house

Front tab is a conversion for traditional to diaphragm type expansion tanks. See what you think.

Mike.C

hope it helps

If you are doing new construction here is a quick way to add up the pipe. even old stuff you can kinda guestimate depending on how accurate you need to be.

1/2= 1.02 gallons per 100 feet of pipe
3/4= 2.06
1"= 3.46
1 1/4 = 5.16
1 1/2 = 7.00
2" = 12.34 gallons per 100 feet of pipe
Then figure boiler and expansion tank and anything with volume.

McKern

Rhomar

Doesn't Rhomar have a chemical that you add to the system and then the amount it dilutes gives a close number of the volume?