expansion tank in wrong location


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Old 01-22-13, 04:59 PM
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expansion tank in wrong location

Went to a customer's house whose PB piping is slowly giving him fits. Made a few repairs and noticed his 50 gal water heater (gas) installed by orange people a couple of years ago had the expansion tank on the hot water side. I bit my tongue, mainly because he had a recirculating pump on the hot water side too. Is the tank still incorrectly installed? Should it be on the cold water side even with the recirculating pump? I just wasn't sure with the relation with the recirculator.
 
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Old 01-22-13, 05:40 PM
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The circulator really doesn't have any effect on the setup.

Although the expansion tank is rated for high heat it should be on the cold water side.
 
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Old 01-22-13, 06:00 PM
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That was my understanding, too. I just wasn't sure about the circulator. Thanks, PJ
 
 

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