Pros, Join Our TradeMaster Program!
  • THERM-X-TROL ST-5 Expansion Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    THERM-X-TROL ST-5 Expansion Tank 140N43 THERM-X-TROL ST-5 Expansion Tank
    SKU: 140N43 Amtrol
    SKU: 140N43
    Brand: Amtrol
    (61)
    $42.90 each
    Not Added to List Icon Add to List
    Added to List Icon List
    666
    Thu, Jul 1
    666
    QtyArrives
    666 Thu, Jul 1
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • THERM-X-TROL ST-12 Expansion Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    THERM-X-TROL ST-12 Expansion Tank 141N43 THERM-X-TROL ST-12 Expansion Tank
    SKU: 141N43 Amtrol
    SKU: 141N43
    Brand: Amtrol
    (50)
    $50.60 each
    Not Added to List Icon Add to List
    Added to List Icon List
    303
    Thu, Jul 1
    303
    QtyArrives
    303 Thu, Jul 1
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-350 (151S1)<br>119 Gal. WELL-X-TROL Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-350 (151S1) 119 Gal. WELL-X-TROL Well Tank WX-350 WX-350 (151S1) 119 Gal. WELL-X-TROL Well Tank
    SKU: WX-350 Amtrol
    SKU: WX-350
    Brand: Amtrol
    (18)
    $1,015.98 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Wed, Sep 15 – Fri, Oct 15
    Arrives
    Wed, Sep 15 – Fri, Oct 15
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-250 (145S1), 44 Gal. WELL-X-TROL Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-250 (145S1), 44 Gal. WELL-X-TROL Well Tank WX-250 WX-250 (145S1), 44 Gal. WELL-X-TROL Well Tank
    SKU: WX-250 Amtrol
    SKU: WX-250
    Brand: Amtrol
    (85)
    $499.98 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Fri, Sep 10 – Fri, Oct 8
    Arrives
    Fri, Sep 10 – Fri, Oct 8
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-302 (150S1), 86 Gal. WELL-X-TROL Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-302 (150S1), 86 Gal. WELL-X-TROL Well Tank WX-302 WX-302 (150S1), 86 Gal. WELL-X-TROL Well Tank
    SKU: WX-302 Amtrol
    SKU: WX-302
    Brand: Amtrol
    (32)
    $770.54 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Wed, Sep 15 – Fri, Oct 15
    Arrives
    Wed, Sep 15 – Fri, Oct 15
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-203 (146S30), 32 Gal. WELL-X-TROL Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-203 (146S30), 32 Gal. WELL-X-TROL Well Tank WX-203 WX-203 (146S30), 32 Gal. WELL-X-TROL Well Tank
    SKU: WX-203 Amtrol
    SKU: WX-203
    Brand: Amtrol
    (89)
    $394.51 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Fri, Sep 10 – Fri, Oct 8
    Arrives
    Fri, Sep 10 – Fri, Oct 8
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-255 (149S147), 81 Gal. WELL-X-TROL Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-255 (149S147), 81 Gal. WELL-X-TROL Well Tank WX-255 WX-255 (149S147), 81 Gal. WELL-X-TROL Well Tank
    SKU: WX-255 Amtrol
    SKU: WX-255
    Brand: Amtrol
    (33)
    $742.81 each
    Not Added to List Icon Add to List
    Added to List Icon List
    3
    Tue, Jul 6 – Thu, Jul 8
    3
    QtyArrives
    3 Tue, Jul 6 – Thu, Jul 8
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-202 (144S29), 20 Gal. WELL-X-TROL Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-202 (144S29), 20 Gal. WELL-X-TROL Well Tank WX-202 WX-202 (144S29), 20 Gal. WELL-X-TROL Well Tank
    SKU: WX-202 Amtrol
    SKU: WX-202
    Brand: Amtrol
    (67)
    $237.60 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Fri, Sep 10 – Fri, Oct 8
    Arrives
    Fri, Sep 10 – Fri, Oct 8
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • RP-15HP, 20 Gal<br>Residential Pressuriser Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    RP-15HP, 20 Gal Residential Pressuriser 2201-39 RP-15HP, 20 Gal Residential Pressuriser
    SKU: 2201-39 Amtrol
    SKU: 2201-39
    Brand: Amtrol
    (12)
    $1,129.95 each
    Not Added to List Icon Add to List
    Added to List Icon List
    20
    Tue, Jul 6 – Thu, Jul 8
    20
    QtyArrives
    20 Tue, Jul 6 – Thu, Jul 8
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-251 (145S10), 62 Gal. WELL-X-TROL Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-251 (145S10), 62 Gal. WELL-X-TROL Well Tank WX-251 WX-251 (145S10), 62 Gal. WELL-X-TROL Well Tank
    SKU: WX-251 Amtrol
    SKU: WX-251
    Brand: Amtrol
    (33)
    $740.70 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Wed, Sep 15 – Fri, Oct 15
    Arrives
    Wed, Sep 15 – Fri, Oct 15
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • RP-10HP, 14 Gal<br>Residential Pressuriser Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    RP-10HP, 14 Gal Residential Pressuriser 2201-37 RP-10HP, 14 Gal Residential Pressuriser
    SKU: 2201-37 Amtrol
    SKU: 2201-37
    Brand: Amtrol
    (11)
    $1,049.99 each
    Not Added to List Icon Add to List
    Added to List Icon List
    18
    Thu, Jul 1
    18
    QtyArrives
    18 Thu, Jul 1
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • THERM-X-TROL ST-25V Expansion Tank<br>(10.3 Gallon) Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    THERM-X-TROL ST-25V Expansion Tank (10.3 Gallon) 143N164 THERM-X-TROL ST-25V Expansion Tank (10.3 Gallon)
    SKU: 143N164 Amtrol
    SKU: 143N164
    Brand: Amtrol
    (7)
    $163.90 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Thu, Jul 29 – Thu, Aug 26
    Arrives
    Thu, Jul 29 – Thu, Aug 26
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-202XL (144S240)<br>26 Gal. WELL-X-TROL<br>Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-202XL (144S240) 26 Gal. WELL-X-TROL Well Tank WX-202XL WX-202XL (144S240) 26 Gal. WELL-X-TROL Well Tank
    SKU: WX-202XL Amtrol
    SKU: WX-202XL
    Brand: Amtrol
    (50)
    $277.66 each
    Not Added to List Icon Add to List
    Added to List Icon List
    117
    Thu, Jul 1
    117
    QtyArrives
    117 Thu, Jul 1
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-205 (147S44)<br>34 Gal. WELL-X-TROL Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-205 (147S44) 34 Gal. WELL-X-TROL WX-205 WX-205 (147S44) 34 Gal. WELL-X-TROL
    SKU: WX-205 Amtrol
    SKU: WX-205
    Brand: Amtrol
    (24)
    $473.27 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Fri, Sep 10 – Fri, Oct 8
    Arrives
    Fri, Sep 10 – Fri, Oct 8
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • RP-25HP, 34 Gal<br>Residential Pressuriser Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    RP-25HP, 34 Gal Residential Pressuriser 2201-28 RP-25HP, 34 Gal Residential Pressuriser
    SKU: 2201-28 Amtrol
    SKU: 2201-28
    Brand: Amtrol
    (1)
    $1,639.95 each
    Not Added to List Icon Add to List
    Added to List Icon List
    12
    Tue, Jul 6 – Thu, Jul 8
    12
    QtyArrives
    12 Tue, Jul 6 – Thu, Jul 8
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-252 (145S20), 86 Gal. WELL-X-TROL Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-252 (145S20), 86 Gal. WELL-X-TROL Well Tank WX-252 WX-252 (145S20), 86 Gal. WELL-X-TROL Well Tank
    SKU: WX-252 Amtrol
    SKU: WX-252
    Brand: Amtrol
    (10)
    $1,103.01 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Wed, Sep 15 – Fri, Oct 15
    Arrives
    Wed, Sep 15 – Fri, Oct 15
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-250 (145S1), 44 Gal<br>WELL-X-TROL Well Tank<br>w/ Durabase Stand Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-250 (145S1), 44 Gal WELL-X-TROL Well Tank w/ Durabase Stand WX-250D WX-250 (145S1), 44 Gal WELL-X-TROL Well Tank w/ Durabase Stand
    SKU: WX-250D Amtrol
    SKU: WX-250D
    Brand: Amtrol
    (10)
    $592.50 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Fri, Sep 10 – Fri, Oct 8
    Arrives
    Fri, Sep 10 – Fri, Oct 8
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-255 (149S147), 81 Gal<br>WELL-X-TROL Well Tank<br>w/ Durabase Stand Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-255 (149S147), 81 Gal WELL-X-TROL Well Tank w/ Durabase Stand WX-255D WX-255 (149S147), 81 Gal WELL-X-TROL Well Tank w/ Durabase Stand
    SKU: WX-255D Amtrol
    SKU: WX-255D
    Brand: Amtrol
    (5)
    $742.80 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Wed, Sep 15 – Fri, Oct 15
    Arrives
    Wed, Sep 15 – Fri, Oct 15
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • THERM-X-SPAN T-5 Expansion Tank<br>(2 Gallon) Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    THERM-X-SPAN T-5 Expansion Tank (2 Gallon) 140735 THERM-X-SPAN T-5 Expansion Tank (2 Gallon)
    SKU: 140735 Amtrol
    SKU: 140735
    Brand: Amtrol
    (20)
    $36.67 each
    Not Added to List Icon Add to List
    Added to List Icon List
    347
    Thu, Jul 1
    347
    QtyArrives
    347 Thu, Jul 1
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX1-302 (150S92)<br>86 Gal. WELL-X-TROL<br>Well-X1 Well Tank (Blue) Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX1-302 (150S92) 86 Gal. WELL-X-TROL Well-X1 Well Tank (Blue) WX1-302 WX1-302 (150S92) 86 Gal. WELL-X-TROL Well-X1 Well Tank (Blue)
    SKU: WX1-302 Amtrol
    SKU: WX1-302
    Brand: Amtrol
    (6)
    $1,061.30 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Wed, Sep 15 – Fri, Oct 15
    Arrives
    Wed, Sep 15 – Fri, Oct 15
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-101 (140PR1)<br>2 Gal. WELL-X-TROL<br>In-Line Well Tank Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-101 (140PR1) 2 Gal. WELL-X-TROL In-Line Well Tank WX-101 WX-101 (140PR1) 2 Gal. WELL-X-TROL In-Line Well Tank
    SKU: WX-101 Amtrol
    SKU: WX-101
    Brand: Amtrol
    (18)
    $89.99 each
    Not Added to List Icon Add to List
    Added to List Icon List
    121
    Thu, Jul 1
    121
    QtyArrives
    121 Thu, Jul 1
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-203 (146S30), 32 Gal<br>WELL-X-TROL Well Tank<br>w/ Durabase Stand Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-203 (146S30), 32 Gal WELL-X-TROL Well Tank w/ Durabase Stand WX-203D WX-203 (146S30), 32 Gal WELL-X-TROL Well Tank w/ Durabase Stand
    SKU: WX-203D Amtrol
    SKU: WX-203D
    Brand: Amtrol
    (6)
    $445.07 each
    Not Added to List Icon Add to List
    Added to List Icon List
    43
    Thu, Jul 1
    43
    QtyArrives
    43 Thu, Jul 1
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
  • WX-350 (151S1), 119 Gal<br>WELL-X-TROL Well Tank<br>w/ Durabase Stand Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    WX-350 (151S1), 119 Gal WELL-X-TROL Well Tank w/ Durabase Stand WX-350D WX-350 (151S1), 119 Gal WELL-X-TROL Well Tank w/ Durabase Stand
    SKU: WX-350D Amtrol
    SKU: WX-350D
    Brand: Amtrol
    (2)
    $1,113.69 each
    Not Added to List Icon Add to List
    Added to List Icon List
    Wed, Sep 15 – Fri, Oct 15
    Arrives
    Wed, Sep 15 – Fri, Oct 15
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Not Added to List Icon Add to List
    Added to List Icon List
  • THERM-X-TROL ST-60V Expansion Tank<br>(34 Gallon) Product Image
    Not Added to List Icon Add to List
    Added to List Icon List
    THERM-X-TROL ST-60V Expansion Tank (34 Gallon) 147N130 THERM-X-TROL ST-60V Expansion Tank (34 Gallon)
    SKU: 147N130 Amtrol
    SKU: 147N130
    Brand: Amtrol
    $312.81 each
    Not Added to List Icon Add to List
    Added to List Icon List
    6
    Thu, Jul 1
    6
    QtyArrives
    6 Thu, Jul 1
    Questions? Call 1-888-757-4774
    Not Added to List Icon Add to List
    Added to List Icon List
FAQs, Manuals & Videos

Resources

Articles

  • AMTROL revolutionized the hydronic industry in 1954 when they introduced Extrol, the world's first pre-pressurized diaphragm expansion tank. Since then, Amtrol has been the world leader in the design and operation of the vital mechanical systems that are used to control hydronic heating and to store potable water.

NEED HELP?

888-757-4774
Closed Now: Phone Hours
Monday – Thursday
8am–7:45pm ET
Friday
9am–7:45pm ET
  • Product Image

  • Product Image

    Select 2 to 3 items to compare

  • Product Image

    Compare up to 1 more item

Why don't we show the price of this item?

We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

To see the price, simply add the item to your cart or sign in.