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Expansion tank

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Hey guys just wondering if anyone can give me any advice or information on these style expansion tanks. They are from 1961. Richmond engineering is the manufacturer. Not sure what kind of tank this is or how it works. Two sight glasses on each. Thanks


Comments

  • leonz
    leonz Member Posts: 1,159
    edited November 2018
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    This is the first time I have seen what I think are vertical steel compression tanks in use.

    As a layperson I am going to assume they are probably well overdue for a pressure test and new triple gauges for insurance purposes if that is still applicable now.

    Can you obtain pictures of the dome top of the tanks and the piping connections to the circulators?
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,633
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    It's just a plain steel compression tank. Very common. Nothing unusual. What's wrong with it? If it is getting water logged the first thing to check is the gaskets on the gage glass valves.