Can I move the expansion chamber to the side of the hot water heater?


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Old 04-12-20, 07:54 AM
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Can I move the expansion chamber to the side of the hot water heater?

I am needing to move the hot water heater into a space that is shorter than where it currently resides. It will have about six inches of clearance above the tank. So, due to this, I need to move the expansion tank. Can the tank be moved to be on the side of the hot water heater?

Attached is how it looks now.
 
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Old 04-12-20, 09:20 AM
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Welcome to the forums.

The expansion tank can go anywhere in the cold water line feeding the water heater.

Keep in mind that if the tank fails it can fill with water and become very heavy.
My point is to mount the tank so that it won't snap its mounting or add some type of hanging strap for additional support.
 
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Old 04-12-20, 02:49 PM
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bad pic.. was a messed up install in an old home.. but put a brass tee rights at the nipple on water heater.

Keeps it low as possible. Then off the tee bull for the cold in...

Have no idea why the pics turn sideways
 
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Old 04-12-20, 03:52 PM
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Thanks for the help guys.

Doe the expansion tank have to be above the top of the hot water heater?

Also, the copper pipe connecting the expansion tank to the heater, is welded together. I'm not comfortable with my copper welding skills. Are there other options for making this connection?
 
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Old 04-12-20, 04:16 PM
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Brass tee at top nipple... Exp tank screws into the top..

Use 3/4 x shark bite 3/4 on bull of tee. Use shark bite on copper line... get pieces of prex to connect or get flex line with two shark bites to threaded.

Many ways to do it without soldering

https://www.homedepot.com/p/CERTIFIE...24SS/309373522

https://www.homedepot.com/p/SharkBit...4LFA/202270506

https://www.homedepot.com/p/SharkBit...6LFA/202270511

https://www.homedepot.com/p/SharkBit...0W20/202033034
 
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Old 04-13-20, 12:42 PM
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No.... the expansion tank does not have to above the water heater.
 
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Old 04-14-20, 04:58 PM
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Unfortunately, after looking it over, I am not going to have any room for the expansion tape to go on top of the hot water heater. Checkout the diagram I've posted below. The black lines is the wall. This is how, in my mind, I will set it up. Question, how should I secure the lines going up to the water heater and the expansion tank? Anything else I should think about?

 
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