Extrol #15 Expansion Tank (2.0 Gal Volume)

Extrol #15 Expansion Tank (2.0 Gal Volume)
Extrol #15 Expansion Tank (2.0 Gal Volume) QR Code
Views: 11732 Model: 101-1
UPC: 642031112743

MPN: 101-1


Weight:5.20 lb

Dimensions (L x W x H ): 14.00 x 9.00 x 9.00

Usually ships: 1 business day(s)
Qty: Add to Cart


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The 101-1 from Amtrol is a Extrol EX-15 Expansion Tank (2.0 gal). It's  designed to relieve pressure in a radiant heating or closed loop hydronic heating systems. This tank uses a rubber diaphragm to divide its components to ensure the proper amount of pressure is applied to the system. This is done by filling the top portion of the tank with water, and bottom portion with air, set at approximately 12 PSI. This configuration allows for the relief of excess pressure in a heating system, while contributing to the safety of the piping.

Technical Specifications:

  • Factory pre-charged 12 psi;
  • System connection: 1/2' threaded;
  • Max. operating temperature: 240F;
  • Max. operating pressure: 100 psig;
  • Expansion tank volume: 2.0 gallons;
  • Max. accepted volume: 0.9 gallons;
  • Height: 12 5/8';
  • Diameter: 8';
  • Shipping weight: 5 lbs;


  • 5-year manufacturer's warranty. 
Product Specs
Capacity (Gallons):2.0
Diameter (Inches):8"
Height:12 5/8"
Max Accepted Volume:0.9 Gallons
Max Pressure (PSI):100
Max Temp (F):240°F
Precharged PSI:12 psi
Tank Volume:2 Gallons
Thread Size:1/2"
Thread Type:Male
Warranty:5-Year Limited Warranty
5 ( 5 / 5 )
Great tank at a great price. Arrived on time and in perfect condition!!!

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