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Old 9/14/18, 11:29 PM
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sstanczyk sstanczyk is online now
Certified Professional Inspector (CPI)
Join Date: Dec 2005
Location: Kapowsin, WA
Posts: 10,558
Default Re: Expansion tank requirements?

Originally Posted by mgratton View Post
Below's comment copied from:

1. This tank must be installed according to your local plumbing code. It should be
at least 18 from the cold water inlet to the water heater...*
It looks like an Amtrol and they do not have that requirement and the unit manufactured by Watts does not have that requirement either. They just need to be installed on the cold water side between the water heater and backflow device.

Stephen Stanczyk
Washington State Licensed Home Inspector # 221
InterNACHI Lifetime Member


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