Expansion Tanks
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113237 Bell & Gossett TPV-1FM Tank Purge Valve
Bell & Gossett
$108.95113237 Bell & Gossett TPV-1FM Tank Purge Valve. System Connection: 1" Female NPT - Tank Connection: 1" Male NPT. The Bell & Gossett Tank Purge Valve (TPV) is a combination full port ball type isolation valve and drain valve used to connect the...$108.95 -
116661 Bell & Gossett Compression Tank Model 15
Bell & Gossett
$972.00116661 Bell & Gossett Compression Tank Model 15. Information: Required 112010 Bell & Gossett Airtrol Tank Fitting ATF-12 Bell & Gossett ASME Compression Tanks Technical Brochure Bell & Gossett ASME Compression Tank Instruction...$972.00 -
572018-006 Armstrong Diaphragm Expansion Tank SX-40V
Armstrong
$670.95572018-006 Armstrong Diaphragm Expansion Tank SX-40V. Tank Volume 21.2 gal, (80L). Information: Armstrong NON-ASME Diaphragm Expansion Tank Submittal Sheet Armstrong Series SX Diaphragm Expansion Tank Installation Operating...$670.95 -
SX-30V Armstrong Diaphragm Expansion Tank 572018-005
Armstrong
$724.95572018-005 Armstrong Diaphragm Expansion Tank SX-30V Tank Volume 15.8 gal, (60L). Information: Armstrong NON-ASME Diaphragm Expansion Tank Submittal Sheet Armstrong Series SX Diaphragm Expansion Tank Installation Operating...$724.95 -
572018-001 Armstrong Diaphragm Expansion Tank 15
Armstrong
$118.95572018-001 Armstrong Diaphragm Expansion Tank 15. Tank Volume 2.1 gal, (8L). Information: Armstrong NON-ASME Diaphragm Expansion Tank Submittal Sheet Armstrong Series SX Diaphragm Expansion Tank Installation Operating...$118.95 -
PTA-30V Bell & Gossett 1BN349LF ASME Potable Expansion Tank
Bell & Gossett
$2,585.00PTA-30V Bell & Gossett 1BN349LF Expansion Tank. Bell & Gossett Potable Water Diaphragm Expansion Tanks ASME (PTA) Information. Bell & Gossett ASME Expansion Tanks Series PTA Pre-Charged Tanks Technical Brochure Bell & Gossett...$2,585.00 -
1BN333 Bell & Gossett HFT-90V Expansion Tank
Bell & Gossett
$820.001BN333 Bell & Gossett HFT-90V 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...$820.00 -
1BN325LF Bell & Gossett PT-210V Expansion Tank
Bell & Gossett
$1,085.951BN325LF Bell & Gossett PT-210V Expansion Tank. The Series PT expansion tank is designed to absorb the forces of expanding water and protect a potable water system from pressure build up. The FDA approved heavy duty butyl diaphragm with...$1,085.95 -
1BN321LF Bell & Gossett PT-42V Expansion Tank
Bell & Gossett
$414.001BN321LF Bell & Gossett PT-42V Expansion Tank. The Series PT expansion tank is designed to absorb the forces of expanding water and protect a potable water system from pressure build up. The FDA approved heavy duty butyl diaphragm with...$414.00 -
116053 Bell & Gossett Series B-400 ASME Pressurized Expansion Tank
Bell & Gossett
$5,822.95116053 Bell & Gossett B-400 ASME Pressurized Expansion Tank. Tank And Acceptance Volume Gallons: 106 Gallons (400) liters. Repair Parts: 189580 Bell & Gossett B-400 Expansion Tank Replacement Bladder Only Information: Bell &...$5,822.95 -
AX-144V Armstrong Pre-charged ASME Expansion Tank
Armstrong
$4,157.00AX-144V Armstrong Pre-charged ASME Expansion Tank . Tank Volume 80.0 gal, (65.0 L). *Please note image is generic. Armstrong Series AX & AX-V Diaphragm Tanks are designed to reduce tank sizes by up to 80% over standard designs...$4,157.00 -
JWTF63075 John Wood Tank Drainer Fitting Combo
John Wood
$196.00JWTF63075 John Wood Tank Drainer Fitting Combo. This Item Usually Ships The Same Day!$196.00 -
600-020RP Taco CA600-125 Expansion Tank Bladder Only
Taco
$4,172.95600-020RP Taco CA600-125 Expansion Tank Bladder Only. Tank Volume: 158 Gal. 600 Liter. Standard Design Pressure and Temperature: 125 psi @ 280*F Max. Suitable for Vertical or Horizontal Installation. Information: Taco Series CA Expansion Tank...$4,172.95 -
572018-008 Armstrong Diaphragm Expansion Tank SX-90V
Armstrong
$1,322.95572018-008 Armstrong Diaphragm Expansion Tank SX-90V. Tank Volume 52.9 gal, (200L). *Please note image is generic. Information: Armstrong NON-ASME Diaphragm Expansion Tank Submittal Sheet Armstrong Series SX Diaphragm Expansion Tank Installation...$1,322.95 -
CBX84-125 Taco Expansion Tank Bladder Only 600-9643RP
Taco
$1,828.95CBX84-125 Taco Expansion Tank Bladder Only 600-9643RP. Tank Volume, Gal: 22, Liter: 84. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for use in...$1,828.95 -
600-025RP Taco CA1600-125 Expansion Tank Bladder Only
Taco
$10,548.90600-025RP Taco CA1600-125 Expansion Tank Bladder Only. Tank Volume: 422 Gal. 1600 Liter. Standard Design Pressure and Temperature: 125 psi @ 280*F Max. Suitable for Vertical or Horizontal Installation. Information: Taco Series CA Expansion Tank...$10,548.90 -
189580 Bell & Gossett Series B-300 ASME Expansion Tank Bladder Only
Bell & Gossett
$3,519.95189580 Bell & Gossett Series B-300 ASME Expansion Tank Bladder Only. Tank And Acceptance Volume Gallons & (Liters). 80 Gallons (300) Liters. Bell & Gossett Pre-charged Bladder & Diaphragm Tanks ASME (B,D,B-LA). Please Contact...$3,519.95 -
PAX300-150P Taco Bladder Expansion Tank For Potable Water
Taco
$8,142.95PAX300-150P Taco Bladder Expansion Tank For Potable Water. Tank Volume: 79 gal, 299 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...$8,142.95 -
572006-306 Armstrong AST-80 ASME Pre-Pressurized Expansion Tank
Armstrong
$3,672.95572006-306 Armstrong AST-80 ASME Pre-Pressurized Hydro-Pneumatic Expansion Tank. Volume Acceptance USGal (15.5) / Tank (35.0). Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs. Expansion tanks use...$3,672.95 -
1BN158LF Bell & Gossett WTA-449 Domestic Well Tank
Bell & Gossett
$7,623.001BN158LF Bell & Gossett WTA-449 Domestic Well Tank. Tank Volume Gallons: 106 (400L). For Potable Well Water Systems. "WTA" Well Water Tanks (ASME Construction) Designed for Potable Well Water and Booster Pump Systems. Bell & Gossett ASME...$7,623.00 -
CA800-125 Taco CA Expansion Tank 211 Gallon
Taco
$10,147.00CA800-125 Taco CA Expansion Tank 211 Gallon. Tank Volume: 211 Gal. 800 Liter. Standard Design Pressure and Temperature: 125 psi @ 240*F Max. Suitable for Vertical or Horizontal Installation. Information: Taco Series CA Expansion Tank...$10,147.00 -
PAX42-150 Taco Expansion Tank Bladder Only 600-2066RP
Taco
$3,438.95PAX42-150 Taco Expansion Tank Bladder Only 600-2066RP. Acceptance Volume: 5 gal, 19 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...$3,438.95 -
PS400-125 Taco PS Expansion Tank 400 Gal
Taco
$5,292.55PS400-125 Taco PS Expansion Tank 400 Gal. Capacity (Gal) 400. 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...$5,292.55 -
PS015-125 Taco PS Expansion Tank 15 Gal
Taco
$1,485.95PS015-125 Taco PS Expansion Tank. Capacity (Gal) 15. 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 Plain...$1,485.95 -
CX42-125 Taco 11 Gal Diaphragm Expansion Tank
Taco
$2,597.95CX42-125 Taco Diaphragm 11 Gal Expansion Tank. Tank Volume: 11 Gal, 42 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...$2,597.95 -
CBX800-125 Taco CBX Vertical Bladder Expansion Tank 212 Gal
Taco
$10,978.95CBX800-125 Taco CBX Vertical Bladder Expansion Tank 212 Gal. Tank Volume, Gal: 212, Liter: 800. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for...$10,978.95 -
CBX425-125 Taco CBX Vertical Bladder Expansion Tank 112 Gal
Taco
$5,168.95CBX425-125. Tank Volume, Gal: 112, Liter: 425. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for use in hydronic systems and non-potable,...$5,168.95 -
PAX425-150 Taco Bladder Expansion Tank
Taco
$6,238.95PAX425-150 Taco Bladder Expansion Tank. Tank Volume: 112 gal, 424 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 models to meet all...$6,238.95 -
573100-006 Armstrong A200-L Expansion Tank
Armstrong
$4,898.95573100-006 Armstrong A200-L Expansion Tank. Tank Volume Gal/L: 53(200). 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...$4,898.95 -
116301 Bell & Gossett Series D-60 ASME Expansion Tank
Bell & Gossett
$2,347.95116301 Bell & Gossett Series D-60 ASME Expansion Tank Tank Volume: 33.6 Gallons (127.2L). Series "D" (ASME) Pressurized Expansion Tank. "Not For Potable Water Systems". Bell & Gossett Expansion Tank Information: Bell & Gossett...$2,347.95 -
116663 Bell & Gossett Compression Tank Model 30
Bell & Gossett
$1,160.00116663 Bell & Gossett Compression Tank Model 30. Capacity Gallons 30. Required 112010 Bell & Gossett Airtrol Tank Fitting ATF-12 Bell & Gossett ASME Compression Tanks Technical Brochure Bell & Gossett ASME Compression Tank...$1,160.00 -
113231 Bell & Gossett TPV-3/4FF Tank Purge Valve
Bell & Gossett
$94.50113231 Bell & Gossett TPV-3/4FF Tank Purge Valve. System Connection: 3/4" Female NPT - Tank Connection: 3/4" Female NPT. The Bell & Gossett Tank Purge Valve (TPV) is a combination full port ball type isolation valve and drain valve used to...$94.50 -
1BN332LF Bell & Gossett HFT-60V 3Expansion Tank
Bell & Gossett
$490.001BN332LF Bell & Gossett HFT-60V 3Expansion Tank. Information: 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...$490.00 -
PTA-100V Bell & Gossett 1BN353LF ASME Potable Expansion Tank
Bell & Gossett
$4,269.00PTA-100V Bell & Gossett 1BN353LF ASME Potable Expansion Tank. The Bell & Gossett 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...$4,269.00 -
A400-L Armstrong Expansion Tank Bladder Only 573002-008
Armstrong
$3,427.95A400-L Armstrong Expansion Tank Bladder Only 573002-008. Tank Volume Gal/L: 106(400). 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...$3,427.95 -
116315 Bell & Gossett Series D80SG ASME Expansion Tank
Bell & Gossett
$3,552.95116315 Bell & Gossett Series D80SG ASME Expansion Tank with sight glass. Tank Volume: 44.4 Gallons (168.1L). Series "D" (ASME) Pressurized Expansion Tanks Vertical. "Not For Potable Water Systems". Bell & Gossett Expansion Tank...$3,552.95 -
JPSG63010 John Wood Sight Glass Assembly
Bell & Gossett
$164.00JPSG63010 John Wood Sight Glass Assembly. This Item Usually Ships The Same Day!$164.00 -
600-2075RP Taco PAX500-150 Expansion Tank Bladder Only
Taco
$4,548.95600-2075RP Taco PAX500-150 Expansion Tank Bladder Only. Tank Volume: 132 Gal. 500 Liter. Standard Design Pressure and Temperature: 125 psi @ 280*F Max. Suitable for Vertical or Horizontal Installation. Information: Taco Series CA Expansion Tank...$4,548.95 -
570139-000 Armstrong AET 12x33 Expansion Tank
Armstrong
$748.95570139-000 Armstrong AET 12x33 Expansion Tank. Tank Volume 15.0 gal, (57L). *Please note image is generic. Armstrong Series AET Plain Steel Expansion Tanks. Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard...$748.95 -
572018-010 Armstrong Diaphragm Expansion Tank SX-160V
Armstrong
$2,142.95572018-010 Armstrong Diaphragm Expansion Tank SX-160V. Tank Volume 79.4 gal, (301L). *Please note image is generic. Information: Armstrong NON-ASME Diaphragm Expansion Tank Submittal Sheet Armstrong Series SX Diaphragm Expansion Tank Installation...$2,142.95
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.