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Air Eliminator (6)
Air Valve (4)
Aquastat Well (1)
Expansion Tank (156)
Heating Part (1)
Heating Valve (1)
Indirect Water Heater (21)
Mixing Valve (2)
Mixing Valve Part (1)
Pipe Hanger (1)

Tank Volume

2 Gallons (12)
4.4 Gallons (12)
6.4 Gallons (1)
6.7 Gallons (2)
7.4 Gallons (2)
7.6 Gallons (2)
7.8 Gallons (1)
8 Gallons (1)
10 Gallons (1)
10.3 Gallons (2)

Price Range

$10 to $15 (2)
$15 to $20 (4)
$30 to $35 (5)
$35 to $40 (1)
$45 to $50 (2)
$50 to $60 (8)
$60 to $70 (4)
$70 to $80 (2)
$80 to $90 (3)
$90 to $100 (2)

Amtrol

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Product Image of Flange Gaskets, 2500-218
Flange Gaskets, 2500-218
SKU: 2500-218
Amtrol
SKU: 2500-218
Brand: Amtrol
(10)
$11.07 each
In Stock
Get 26 by Wed, Aug 26
In Stock
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Product Image of EX-30 Series Combination Package (4.4 Gallon)
EX-30 Series Combination Package (4.4 Gallon)
SKU: EX-3000-100
Amtrol
SKU: EX-3000-100
Brand: Amtrol
(3)
$129.99 each
In Stock
Get 34 by Tue, Aug 25
In Stock
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Product Image of SX-90V Extrol Expansion Tank (44 Gallon Volume)
$799.36 each
In Stock
Get 1 by Tue, Aug 25
In Stock
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Product Image of Thermistor, 2704-259
Thermistor, 2704-259
SKU: 2704-259
Amtrol
SKU: 2704-259
Brand: Amtrol
(8)
$46.74 each
In Stock
Get 12 by Wed, Aug 26
In Stock
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Product Image of 1/4" MPS Float Air Vent
1/4" MPS Float Air Vent
SKU: 701-30
Amtrol
SKU: 701-30
Brand: Amtrol
(15)
$18.37 each
BOX UP & SAVE 6%
$414.48 box of 24
$17.27 each
In Stock
Get 8 by Wed, Aug 26
In Stock
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Product Image of 41 Gallon CH-41Z BoilerMate Champion Series Indirect-Fired Water Heater (Blue)
$1,879.99 each
In Stock
Get 1 by Thu, Aug 27 - Mon, Aug 31
In Stock
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Product Image of EX-15PRO Extrol Pro Expansion Tank (2 Gallon Volume)
$73.98 each
In Stock
Get 11 by Tue, Aug 25
In Stock
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Product Image of Model 109 Fill-Trol, Tank Only (2 Gallon Volume)
$96.67 each
In Stock
Get 20 by Tue, Aug 25
In Stock
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Product Image of DuraBase Tank Spacer for 22" & 26" Steel Stand Models
DuraBase Tank Spacer for 22" & 26" Steel Stand Models
SKU: DURABASE-22
Amtrol
SKU: DURABASE-22
Brand: Amtrol
(15)
$50.79 each
In Stock
Get 4 by Tue, Aug 25
In Stock
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Product Image of EX-60PRO Extrol Pro Expansion Tank (6.7 Gallon Volume)
$166.08 each
In Stock
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Product Image of Model 111 Fill-Trol w/ Valve (7.6 Gallon Volume)
$165.95 each
In Stock
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In Stock
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Product Image of SX-160V Extrol Expansion Tank (86 Gallon Volume)
$1,092.99 each
In Stock
Get 3 by Wed, Aug 26 - Fri, Aug 28
In Stock
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Product Image of Model 110 Fill-Trol, Tank Only (4.4 Gallon Volume)
$120.86 each
In Stock
Get 8 by Tue, Aug 25
In Stock
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Product Image of SX-110V Extrol Expansion Tank (62 Gallon Volume)
$908.00 each
In Stock
Get 3 by Thu, Aug 27 - Mon, Aug 31
In Stock
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Product Image of 1/2" 420 Sweat Mixing Valve
1/2" 420 Sweat Mixing Valve
SKU: 420-1
Amtrol
SKU: 420-1
Brand: Amtrol
(3)
$151.13 each
In Stock
Get 1 by Tue, Aug 25
In Stock
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Product Image of RP-20P, 20 Gal Residential Pressuriser, 2201-46
$2,543.59 each
In Stock
Get 5 by Wed, Aug 26 - Fri, Aug 28
In Stock
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Product Image of EX-1500-100 2 Gal. Expansion Tank, 1" NPT Air Eliminator & Air Vent Boiler Trim Kit
$125.07 each
In Stock
Get 10 by Tue, Aug 25
In Stock
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Product Image of Model 110-125 Fill-Trol w/ 1-1/4" Purger & Air Vent (4.4 Gallon Volume)
$206.32 each
In Stock
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Product Image of Model 109-100 Fill-Trol w/ 1" Purger & Air Vent (2 Gallon Volume)
$197.40 each
In Stock
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Product Image of WX-250PA (147PR144), 44 Gal Pro Access WELL-X-TROL Well Tank (Stand)
$868.57 each
Out of Stock
Get it by Wed, Sep 9 - Wed, Sep 16
Out of Stock
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Product Image of Well Assembly for Aquastat/Thermostat, 2700-924
$85.32 each
In Stock
Get 1 by Tue, Aug 25
In Stock
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Product Image of RP-14P, 14 Gal Residential Pressuriser, 2201-45
$2,616.89 each
In Stock
Get 4 by Wed, Aug 26 - Fri, Aug 28
In Stock
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Product Image of Model 110-100 Fill-Trol w/ 1" Purger & Air Vent (4.4 Gallon Volume)
$195.36 each
In Stock
Get 4 by Tue, Aug 25
In Stock
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Product Image of 420-K Mixing Valve Repair Kit
420-K Mixing Valve Repair Kit
SKU: 420-6
Amtrol
SKU: 420-6
Brand: Amtrol
(6)
$52.95 each
In Stock
Get 7 by Wed, Aug 26
In Stock
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Product Image of WX-110-PS, 7.4 Gal WELL-X-TROL Well Tank (Pump Stand)
$349.16 each
In Stock
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In Stock
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Product Image of RP-34P, 34 Gal Residential Pressuriser, 2201-47
$3,842.59 each
In Stock
Get 3 by Wed, Aug 26 - Fri, Aug 28
In Stock
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Product Image of WX-203PA (146PR16), 32 Gal Pro Access WELL-X-TROL Well Tank (Steel Stand)
$665.38 each
In Stock
Get 1 by Tue, Aug 25
In Stock
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Product Image of WX-255P (149PR149), 81 Gal Pro Access WELL-X-TROL Well Tank (Stand)
$1,225.71 each
Backorder
Get it by Thu, Sep 24 - Mon, Oct 26
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Product Image of WX-205 (147S44), 34 Gal WELL-X-TROL w/ Durabase Stand
$614.86 each
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
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Get it by Wed, Sep 23 - Wed, Oct 21
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Product Image of AX-60V Extrol Expansion Tank (33.6 Gallon Volume) - Vertical Model
$2,217.86 each
In Stock
Get 7 by Thu, Aug 27 - Mon, Aug 31
In Stock
Get 7 by Thu, Aug 27 - Mon, Aug 31
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Product Image of WX-102-PS (141PR373), 4.4 Gal WELL-X-TROL Well Tank (Pump Stand)
$359.83 each
In Stock
Get 1 by Tue, Aug 25
In Stock
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Product Image of Model 112 Fill-Trol w/ Valve (14 Gallon Volume)
$269.54 each
In Stock
Get 2 by Tue, Aug 25
In Stock
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Product Image of THERM-X-TROL ST-180V Expansion Tank (62 Gallon Volume)
$1,075.25 each
In Stock
Get 3 by Mon, Aug 31 - Wed, Sep 2
In Stock
Get 3 by Mon, Aug 31 - Wed, Sep 2
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Product Image of 80 Gallon CH-80Z BoilerMate Champion Series Indirect-Fired Water Heater
$2,768.82 each
Backorder
Get it by Thu, Sep 24 - Mon, Oct 26
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Product Image of WX-202H (144S236), 20 Gal WELL-X-TROL Well Tank (Space Saver)
$489.26 each
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
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Product Image of AX-80V Extrol Expansion Tank (44.5 Gallon Volume, 125 PSI)
$2,766.33 each
Out of Stock
Get it by Thu, Sep 10 - Mon, Sep 21
Out of Stock
Get it by Thu, Sep 10 - Mon, Sep 21
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Product Image of THERM-X-TROL ASME ST-5C-DD Expansion Tank
$1,717.41 each
In Stock
Get 3 by Wed, Aug 26
In Stock
Get 3 by Wed, Aug 26
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Product Image of 3/4" 420 Sweat Mixing Valve
3/4" 420 Sweat Mixing Valve
SKU: 421-1
Amtrol
SKU: 421-1
Brand: Amtrol
(1)
$151.77 each
In Stock
Get 1 by Tue, Aug 25
In Stock
Get 1 by Tue, Aug 25
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Product Image of EX-3000-125 4.4 Gal. Expansion Tank, 1-1/4" NPT Air Eliminator & Air Vent Boiler Trim Kit
$139.67 each
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
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Product Image of 1/2" Quick Change Service Check Valve
1/2" Quick Change Service Check Valve
SKU: 140-470
Amtrol
SKU: 140-470
Brand: Amtrol
$15.13 each
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
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Product Image of EX-1500-125 2 Gal. Expansion Tank, 1-1/4" NPT Air Eliminator & Air Vent Boiler Trim Kit
$125.07 each
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
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Product Image of Model 111-125 Fill-Trol w/ 1-1/4" Purger & Air Vent (7.4 Gallon Volume)
$247.00 each
In Stock
Get 1 by Tue, Aug 25
In Stock
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Product Image of 3/4" Inso-Line Clips (Pack of 10)
3/4" Inso-Line Clips (Pack of 10)
SKU: 604-2
Amtrol
SKU: 604-2
Brand: Amtrol
$31.19 each
Out of Stock
Get it by Wed, Sep 9 - Wed, Sep 16
Out of Stock
Get it by Wed, Sep 9 - Wed, Sep 16
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Product Image of WX-104 (143S75), 10.3 Gal WELL-X-TROL In-Line Well Tank
$271.92 each
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
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Product Image of WX1-302D (150S92), 86 Gal WELL-X-TROL Well-X1 Well Tank w/ Durabase Stand, Standard Blue
$2,757.36 each
In Stock
Get 1 by Wed, Aug 26 - Fri, Aug 28
In Stock
Get 1 by Wed, Aug 26 - Fri, Aug 28
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Product Image of T&P Safety Relief Valve, 393107
T&P Safety Relief Valve, 393107
SKU: 393107
Amtrol
SKU: 393107
Brand: Amtrol
$52.66 each
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
Backorder
Get it by Wed, Sep 23 - Wed, Oct 21
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Product Image of WX-407-C (391485) 132 Gal. WELL-X-TROL ASME Water Tank (125 PSIG)
$5,020.07 each
Backorder
Get it by Thu, Sep 24 - Mon, Oct 26
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Product Image of Z Control Retrofit Kit, 2704-392
Z Control Retrofit Kit, 2704-392
SKU: 2704-392
Amtrol
SKU: 2704-392
Brand: Amtrol
(2)
$315.62 each
In Stock
Get 3 by Fri, Aug 28
In Stock
Get 3 by Fri, Aug 28
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More About Amtrol
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.