Expansion Tank

Old 08-07-08, 06:00 AM
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Expansion Tank

I have a hot water radiator heating system. I wish to replace the old expansion tank (large) with a smaller diaphram tank. Are there any considerations for the size and installation for the new tank?
Old 08-07-08, 07:07 AM
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Old 08-07-08, 12:46 PM
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Yes, the tank must be sized for your boiler btu and system water volume.

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