RX-30 Radiant Extrol Expansion Tank (4.4 Gallon Volume) Zoom

RX-30 Radiant Extrol Expansion Tank (4.4 Gallon Volume)


Brand: Amtrol

Qty Price
/ each
$235.40 / box (4 units x $58.85)
In Stock! Ships in 24-48 Hours
(17 Available)


Tank Volume: 4.4 Gallons
Height (Inches): 15.5
Diameter (Inches): 11"
Max Accepted Volume: 3.2 Gallons
Thread Type: Male
Thread Size: 1/2"
Warranty: 5-Year Limited Warranty
Application: Heating
Max Pressure (PSI): 100 psi
Max Temp (F): 200°F
Precharged PSI: 12 psi

Description for Amtrol 141-305

Radiant Extrol models are specially designed for use in open loop or closed loop high efficiency radiant heating systems and are also suitable for glycol mix systems, typical for snow melting applications.


  • Utilizes internal plastic liner for corrosion resistance in system with high oxygen content or non-barrier tubing
  • Pre-charge should be adjusted to equal system fill pressure
  • Brass fitting polypropyline liner for corrosion resistance
  • For high-efficiency radiant systems.
  • Plastic liner is compatible with barrier and non-barrier tubing.
  • Suitable for use in glycol applications.
  • Non-ferrous system connection for corrosion resistance.

The HydroClaw Expansion Tank Support Bracket provides a safe and reliable option if you prefer to mount your expansion tank. This expansion tank bracket is easy to install and will hold any tank with a diameter of 11" nominal.

RX-30 Radiant Extrol Expansion Tank (4.4 Gallon Volume)

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