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  1. Extrol® - Amtrol

    The One That Started It All™ Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs.

  2. Amtrol No. 30 Expansion Tank for Hydronic/Boiler EX-30 - The ...

    Product Details About This Product The Extrol no. 30 Expansion Tank is pre-pressurized and features a diaphragm design. This expansion tank is designed for use with a hydronic heating …

  3. Amtrol Extrol®, the Fill-Trol® Expansion Tank FAQs

    Questions & answers on installation, diagnosis, repair of Amtrol's boiler expansion / compression tanks. Amtrol / Extrol® internal-bladder heating equipment expansion tank

  4. Amtrol Extrol EX-30 4.4 Gallon In-Line Hydronic Expansion Tank

    Prevent dangerous thermal expansion with this Amtrol Extrol EX-30 4.4 gallon in-line hydronic expansion tank. This tank is designed for use in closed, non-potable, hydronic heating and …

  5. 102-3 - Amtrol 102-3 - EX-30PRO Extrol Pro Expansion Tank (4. ...

    Nearly seven decades after inventing the Extrol®, the first diaphragm expansion tank, Amtrol’s lineup now includes the Extrol Pro. This next generation expansion tank is engineered for …

  6. Boiler System Expansion Tanks Extrol®. First In Expansion Control. Amtrol Inc. designed and patented the first Extrol® diaphragm expansion tank control system pressure and help reduce …

  7. COMPANY - Amtrol

    The new product selection tool provides everything you need to specify, sell and install Amtrol products. Resources are available in printed form, online and through the Amtrol app.