Amtrol 141-305 Radiant Extrol RX-30 Expansion Tank  4.4 G

Amtrol 141-305 Radiant Extrol RX-30 Expansion Tank 4.4 G

Amtrol 141-305 Radiant Extrol RX-30 Expansion Tank  4.4 G  QR Code
Product Code: 141-305 UPC: 642031413307

Availability: In Stock

Weight:9.00 lb

Dimensions (L x W x H ): 17.00 x 12.00 x 12.00

Usually ships: 1 business days
4 or more $59.50
Qty: Add to Cart

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Contact us at 1-800-246-9552

Radiant Extrol RX-30 expansion tank manufactured by Amtrol is the perfect fit for any open or closed loop radiant heating system. This product can even be utilized in ice and snow melting applications where a mixture of water and glycol is necessary. Using this product will ensure pressure relief of the system, while also keeping the piping of the system intact. This 4.4 gallon tank operates by separating water and air in its two chambers, and alternates the two until a consistent pressure setting is reached. The factory setting for the air is set at approximately 12 PSI.



  • Factory pre-charged 12 psi;
  • System connection: 3/4' threaded;
  • Max. operating temperature: 240F;
  • Max. operating pressure: 100 psig;
  • Expansion tank volume: 4.4 gallons;
  • Max. accepted volume: 3.2 gallons;
  • Height: 15 1/2';
  • Diameter: 11';
  • Shipping weight: 9 lbs;



  • Closed loop hydronic heating
  • Radiant heating



Product Specs
Capacity (Gallons):4.4
Diameter (Inches):11"
Height (Inches):15.5
Max Accepted Volume:3.2 Gallons
Max Pressure (PSI):100
Max Temp (F):200°F
Precharged PSI:12 psi
Tank Volume:4.4 Gallons
Thread Size:1/2"
Thread Type:Male
Warranty:5-Year Limited Warranty
5 ( 5 / 5 )
exactly what i needed! Very nice and heavy duty tank.

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