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Ask a Long Island Heating Expert About Hotwell Tank Installations

Ask a heating expert about what?


We thought you might ask that. A “hot well” is a tank where water is collected before being recirculated, especially condensed steam about to be returned to a boiler. If you have a boiler in your home, a hotwell tank (or feedwater tank) is of extreme importance.

If water is too cold, it may cause thermal shock and structural damage to the boiler, in turn lowering its overall efficiency. Water that’s too hot can cause irreparable damage to the feed pump, leading to a loss of production.

Boiler hotwell tanks are the source of high heat losses and on-going maintenance. It also heats the boiler feed water prior to entering the system which reduces oxygen levels in the water, thus preventing corrosion.

Now that you know what it is, you may be wondering what to do if you need a replacement hotwell tank. The answer is simple – call Rebmann Plumbing and Heating.

Our technicians record their work step-by-step so it’s easy for the homeowner or business owner to understand what exactly they did. And we want to share this 20 million BTU steam hotwell tank installation job with you today.

Hotwell tank step-by-step installation

  1. Rig and remove the existing hotwell tank from the site and replace it with a new 500 BHP hotwell and heater trim kits.
  2. The new hotwell tank was provided with a new saddle support to be placed on existing steel frame stand.
  3. Remove existing near tank connections and fitting within two feet of the tank.
  4. Install new tank connections.
  5. Remove two Scot centrifugal pumps and install new Scot HP pumps with TEFC (totally enclosed, fan cooled) electric motor to existing electrical connections
  6. Field insulate tank with 3″ thick silver scrim.
  7. Check to ensure system is working properly.


We will always test our work before we leave your home or business because we don’t want you to have any problems once we are gone. Now that you know just how important a hotwell tank is, and the process by which it will be installed, don’t hesitate to call Rebmann Plumbing and Heating today!

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