Expansion Tanks
We stock expansion tanks from Bell & Gossett, Armstrong, Taco HVAC, Wessels and more. Expansion Tanks are available with either bladders or diaphragms so that water and air are permanently separated. No absorption can take place at any point during the system cycle, and you avoid the problems of waterlogged tanks, air-bound terminal units, excessive corrosion, inefficient balancing and pump cavitations. Plain steel tanks are also available. Please give us a call and we can help you find the right expansion tank for your needs.
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116310 Bell & Gossett Series D-280 ASME Expansion Tank
Bell & Gossett
$8,173.00116310 Bell & Gossett Series D-280 ASME Expansion Tank. Tank Volume: 211.0 Gallons (800.0L). Series "D" (ASME) Pressurized Expansion Tanks Vertical. "Not For Potable Water Systems". Bell & Gossett Expansion Tank Information: Bell &...$8,173.00 -
CX300-125 Taco 79 Gal Diaphragm Expansion Tank
Taco
$4,557.95CX300-125 Taco 79 Gal Diaphragm Expansion Tank. Tank Volume: 79 Gal, 300 Lit. Taco Series CX Expansion Tanks. Most Taco Expansion Tanks are available with either bladders or diaphragms so that water and air are permanently separated. The Taco...$4,557.95 -
CBX300-125 Taco CBX Vertical Bladder Expansion Tank 79 Gal
Taco
$5,581.95CBX300-125 Taco CBX Vertical Bladder Expansion Tank 79 Gal. Tank Volume, Gal: 79, Liter: 300. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for...$5,581.95 -
CA300-125 Taco CA Expansion Tank
Taco
$5,861.00CA300-125 Taco CA Expansion Tank. Tank Volume: 79 Gal. 300 Liter. Standard Design Pressure and Temperature: 125 psi @ 240*F Max. Suitable for Vertical or Horizontal Installation. Information: Taco Series CA Expansion Tank Brochure Taco Series...$5,861.00 -
CA215-125 Taco CA Expansion Tank
Taco
$5,351.00CA215-125 Taco CA Expansion Tank. Tank Volume: 57 Gal. 215 Liter. Standard Design Pressure and Temperature: 125 psi @ 240*F Max. Suitable for Vertical or Horizontal Installation. Information: Taco Series CA Expansion Tank Brochure Taco Series...$5,351.00 -
CA90-125 Taco CA Expansion Tank
Taco
$3,865.00CA90-125 Taco CA Expansion Tank. Tank Volume: 23 Gal. 90 Liter. Standard Design Pressure and Temperature: 125 psi @ 240*F Max. Suitable for Vertical or Horizontal Installation. Information: Taco Series CA Expansion Tank Brochure Taco Series CA...$3,865.00 -
573100-007 Armstrong A300-L Expansion Tank
Armstrong
$5,355.95573100-007 Armstrong A300-L Expansion Tank. Tank Volume Gal/L: 80(300). Armstrong Series L Bladder Expansion Tanks. Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs. Expansion tanks use compressed air to...$5,355.95 -
116305 Bell & Gossett Series D-144 ASME Expansion Tank
Bell & Gossett
$4,698.95116305 Bell & Gossett Series D-144 ASME Expansion Tank. Tank Volume: 77.0 Gallons (291.5L). Series "D" (ASME) Pressurized Expansion Tank. "Not For Potable Water Systems". Bell & Gossett Expansion Tank Information: Bell & Gossett...$4,698.95 -
116302 Bell & Gossett Series D-80 ASME Expansion Tank
Bell & Gossett
$3,372.95116302 Bell & Gossett Series D-80 ASME Expansion Tank. Tank Volume: 44.4 Gallons (168.1L). Series "D" (ASME) Pressurized Expansion Tank. "Not For Potable Water Systems". Bell & Gossett Expansion Tank Information: Bell & Gossett...$3,372.95 -
PTA-20V Bell & Gossett 1BN348LF ASME Potable Expansion Tank
Bell & Gossett
$2,403.95PTA-20V Bell & Gossett 1BN348LF ASME Potable Expansion Tank. The Series PTA expansion tank is an ASME constructed vessel designed to absorb the forces of expanding water and protect the domestic water system from pressure build up. PTA-5 through...$2,403.95 -
PTA-12 Bell & Gossett 1BN347LF ASME Potable Expansion Tank
Bell & Gossett
$2,165.95PTA-12 Bell & Gossett 1BN347LF ASME Potable Expansion Tank. The Series PTA expansion tank is an ASME constructed vessel designed to absorb the forces of expanding water and protect the domestic water system from pressure build up. PTA-5 through...$2,165.95 -
116664 Bell & Gossett Compression Tank Model 40
Bell & Gossett
$1,257.00116664 Bell & Gossett Compression Tank Model 40. Capacity Gallons 40. Required 112010 Bell & Gossett Airtrol Tank Fitting ATF-12 Bell & Gossett ASME Compression Tanks Technical Brochure Bell & Gossett ASME Compression Tank...$1,257.00 -
113227 Bell & Gossett TPV-1/2FF Tank Purge Valve
Bell & Gossett
$82.50113227 Bell & Gossett TPV-1/2FF Tank Purge Valve. System Connection: 1/2" Female NPT - Tank Connection: 1/2" Female NPT. The Bell & Gossett Tank Purge Valve (TPV) is a combination full port ball type isolation valve and drain valve used to...$82.50 -
1BN335 Bell & Gossett HFT-160V Expansion Tank
Bell & Gossett
$1,025.951BN335 Bell & Gossett HFT-160V Expansion Tank. Bell & Gossett Non-ASME Expansion Tanks Series HFT Pre-Charged Diaphragm Technical Brochure Bell & Gossett Diaphragm Expansion Tanks ASME And Non-Code Instruction Manual Bell & Gossett...$1,025.95 -
PAX170-150P Taco Bladder Expansion Tank Potable Water
Taco
$4,117.00PAX170-150P Taco Bladder Expansion Tank Potable Water. Tank Volume: 45 gal, 170 liter. Taco PAX Series bladder type tanks provide permanent separation of air and water. All wetted components are built of FDA-approved materials. Available in 11...$4,117.00 -
572005-102 Armstrong AX-100V Pre-charged ASME Expansion Tank
Armstrong
$3,789.00AX-100V Armstrong Pre-charged ASME Expansion Tank 572005-102. Tank Volume 60.0 gal, (227.1 L). *Please note image is generic. Armstrong Series AX & AX-V Diaphragm Tanks. Armstrong Expansion Tanks are designed to reduce tank sizes by up to...$3,789.00 -
CA450-125 Taco CA Expansion Tank
Taco
$5,581.00CA450-125 Taco CA Expansion Tank. Tank Volume: 119 Gal. 450 Liter. Standard Design Pressure and Temperature: 125 psi @ 240*F Max. Suitable for Vertical or Horizontal Installation. Information: Taco Series CA Expansion Tank Brochure Taco Series...$5,581.00 -
PS135-125 Taco PS Expansion Tank 135 Gal
Taco
$2,445.50PS135-125 Taco PS Expansion Tank 135 Gal. Capacity (Gal) 135. Specifications: Manufactured in Accordance with ASME Section VIII. Maximum working pressure - 125 PSIG (optional 150 PSIG, -150 in Model No.). Maximum Operating Temperature - 375*F. Taco...$2,445.50 -
PS120-125 Taco PS Expansion Tank 120 Gal
Taco
$2,461.95PS120-125 Taco PS Expansion Tank 120 Gal. Capacity (Gal) 120. Specifications: Manufactured in Accordance with ASME Section VIII. Maximum working pressure - 125 PSIG (optional 150 PSIG, -150 in Model No.). Maximum Operating Temperature - 375*F. Taco...$2,461.95 -
PS080-125 Taco PS Expansion Tank 80 Gal
Taco
$1,891.95PS080-125 Taco PS Expansion Tank 80 Gal. Capacity (Gal) 80. Specifications: Manufactured in Accordance with ASME Section VIII. Maximum working pressure - 125 PSIG (optional 150 PSIG, -150 in Model No.). Maximum Operating Temperature - 375*F. Taco...$1,891.95