Room for expansion

vmc1161

Senior Member
Joined
Sep 28, 2017
Messages
351
Not sure how old this tank is. I took it out of an attic twenty years ago. It’s sitting on a core we did years ago as well. I’ll try and look into it more, I did years ago with no luck.

It says
The Koven
Double Row Riveted
expansion tank
Adams & Jones
Boston
Mass
 

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It also say's expansion tank that is mostly related to a steam, or hot water system. Heavy galvanized walls and heavy rivets, I would say it is a pressure, or semi pressure tank. Expansion tanks are kind of designed for overflow or excess fluids that can be re-introduced to the system.
 
It also say's expansion tank that is mostly related to a steam, or hot water system. Heavy galvanized walls and heavy rivets, I would say it is a pressure, or semi pressure tank. Expansion tanks are kind of designed for overflow or excess fluids that can be re-introduced to the system.
oop's it does say expansion tank on it. I'll see if I can edit it now.
 
I started to look into it again with no luck, maybe I'll stop by the old-time plumbing supply store near my shop. They get really excited when I go in, their heads start moving sideways all at the same time. :shifty:
 
That is an expansion tank for pressurizing water for a building from the well pump. The tank had air pressurized to match the well pump pressure volume. It was calibrated to shut the pump off if the pressure was achieved and provide water pressure in the building. Still used today but made of Fiberglass or plastic.
 
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