Expansion Tanks
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CA300-125 Taco CA Expansion Tank
Taco
$5,871.95CA300-125 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 330.00 LBS
$5,871.95 -
PTA-42V Bell & Gossett 1BN350LF ASME Potable Expansion Tank
Bell & Gossett
$2,646.95PTA-42V Bell & Gossett 1BN350LF 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 57.00 LBS
$2,646.95 -
113229 Bell & Gossett TPV-1/2FM Tank Purge Valve
Bell & Gossett
$82.50113229 Bell & Gossett TPV-1/2FM Tank Purge Valve. System Connection: 1/2" Female NPT - Tank Connection: 1/2" Male NPT. The Bell & Gossett Tank Purge Valve (TPV) is a combination full port ball type isolation valve and drain valve used to connect...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 2.00 LBS
$82.50 -
1BN330 Bell & Gossett HFT-30V Expansion Tank
Bell & Gossett
$314.951BN330 Bell & Gossett HFT-30V 14 Gallon Hydronic Heating Expansion Tank. Information: Bell & Gossett Non-ASME Expansion Tanks Series HFT Pre-Charged Diaphragm Technical Brochure Bell & Gossett Diaphragm Expansion Tanks ASME And Non-Code...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 25.00 LBS
$314.95 -
572005-101 Armstrong AX-80V Pre-charged ASME Expansion Tank
Armstrong
$3,548.00AX-80V Armstrong 572005-101 Pre-charged ASME Expansion Tank. Tank Volume 45.0 gal, (170.3 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 80%...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 150.00 LBS
$3,548.00 -
AX-60V Armstrong Pre-charged ASME Expansion Tank
Armstrong
$3,127.00AX-60V Armstrong Pre-charged ASME Expansion Tank. Tank Volume 35.0 gal, (132.5 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 80% over standard...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 116.00 LBS
$3,127.00 -
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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 170.00 LBS
$1,891.95 -
CBX30-125 Taco CBX Vertical Bladder Expansion Tank 8 Gal
Taco
$2,759.95CBX30-125 Taco CBX Vertical Bladder Expansion Tank 8 Gal. Tank Volume, Gal: 8, Liter: 30. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for use...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 90.00 LBS
$2,759.95 -
116307 Bell & Gossett Series D-200 ASME Expansion Tank
Bell & Gossett
$5,294.95116307 Bell & Gossett Series D-200 ASME Expansion Tank. Tank Volume: 110.0 Gallons (416.4L). Series "D" (ASME) Pressurized Expansion Tank. "Not For Potable Water Systems". Bell & Gossett Expansion Tank Information: Bell & Gossett...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 325.00 LBS
$5,294.95 -
116303 Bell & Gossett Series D-100 ASME Expansion Tank
Bell & Gossett
$3,384.00116303 Bell & Gossett Series D-100 ASME Expansion Tank. Tank Volume: 55.7 Gallons (211.8L). Series "D" (ASME) Pressurized Expansion Tank. "Not For Potable Water Systems". Bell & Gossett Expansion Tank Information: Bell & Gossett...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 175.00 LBS
$3,384.00 -
112014 Bell & Gossett ATFL1 Airtrol Tank Fittings
Bell & Gossett
$801.95112014 Bell & Gossett ATFL Airtrol Tank Fittings. Connection Size: Tank - 1"F, Boiler - 1"F. Bell & Gossett Airtrol Tank Fittings help to establish proper initial liquid level in the compression tank when filling the hydronic system. They also...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 17.00 LBS
$801.95 -
FXA-400-WG Wessels Series Expansion Tank Bladder Only 2210400
Wessels
$2,561.952210400 Wessels Series FXA-400-WG Expansion Tank Bladder Only. Information: Wessels Series FXA Brochure Wessels patented FXA Tanks are ASME replaceable bladder type pre-charged hydro-pneumatic tanks for commercial and industrial well and...- Availability:
- Please Contact Us For Availability
- Weight:
- 61.00 LBS
$2,561.95 -
116479 Bell & Gossett B85 ASME Bladder Expansion Tank
Bell & Gossett
$2,974.95116479 Bell & Gossett B85 ASME Bladder Expansion Tank. Tank And Acceptance Volume Gallons: 23 Gallons (85) liters. Bell & Gossett Expansion Tank Information: Bell & Gossett Series B ASME Expansion Tank Brochure Bell & Gossett Series...- Availability:
- Please Contact Us For Availability
- Weight:
- 165.00 LBS
$2,974.95 -
BB-18 Boiler Buddy Buffer Tank 18 Gallon
Boiler Buddy
$2,081.95BB-18 Boiler Buddy Buffer Tank 18 Gallon. The Boiler Buddy is designed to be used in heating systems with low-mass boilers, geothermal, chilled water applications, or low-mass radiation. Boilers operating at low loads will short cycle which leads to...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 55.00 LBS
- Manufacturer:
- Boiler Buddy
- Model:
- BB-18
- Capacity U.S. Gallons:
- 18
- Max Pressure:
- 75
- Primary/Secondary Connections NPT Male:
- 1-1/4"
- Drain Connections NH(M):
- 3/4"
- Air Vent NPT:
- 1/2"
- Height:
- 46"
- Diameter:
- 14-1/4"
$2,081.95 -
CA450-125 Taco CA Expansion Tank
Taco
$6,456.00CA450-125 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 400.00 LBS
$6,456.00 -
CX170-125 Taco 45 Gal Diaphragm Expansion Tank
Taco
$3,391.95CX170-125 Taco 55 Gal Diaphragm Expansion Tank. Tank Volume: 45 Gal, 170 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 145.00 LBS
- Manufacturer:
- Taco
- Series:
- CX Expansion Diaphragm Tank
- Model:
- CX170-125
- Tank Volume:
- 45 Gal
- Working Pressure:
- 125 PSIG
- Diaphragm:
- Heavy Duty Butyl (Non Replaceable)
- Options:
- California Sight Glass / Seismic Clips (4)
$3,391.95 -
116302 Bell & Gossett Series D-80 ASME Expansion Tank
Bell & Gossett
$3,237.00116302 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 150.00 LBS
$3,237.00 -
116051 Bell & Gossett Series B-200 ASME Pressurized Expansion Tank
Bell & Gossett
$3,829.00116550 Bell & Gossett Series B-200 ASME Pressurized Expansion Tank, Vertical. Tank And Acceptance Volume Gallons: 53 Gallons (200) liters. Replacement Parts: 189579 Bell & Gossett Series B-200 Replacement Bladder Only Bell & Gossett...- Availability:
- Please Contact Us For Availability
- Weight:
- 210.00 LBS
$3,829.00 -
116662 Bell & Gossett Compression Tank Model 24
Bell & Gossett
$1,029.00116662 Bell & Gossett Compression Tank Model 24. Capacity Gallons 24. Required 112010 Bell & Gossett Airtrol Tank Fitting ATF-12 Bell & Gossett ASME Compression Tanks Technical Brochure Bell & Gossett ASME Compression Tank...- Availability:
- Please Contact Us For Availability
- Weight:
- 65.00 LBS
$1,029.00 -
113230 Bell & Gossett TPV-3/4SF Tank Purge Valve
Bell & Gossett
$94.50113230 Bell & Gossett TPV-3/4SF Tank Purge Valve. System Connection: 3/4" Female SWT - 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 2.00 LBS
$94.50 -
112008 Bell & Gossett ATF-9 Airtrol Tank Fittings
Bell & Gossett
$228.00112008 Bell & Gossett ATF-9 Airtrol Tank Fittings. Connection Size: Tank - 1/2"M, Boiler - 3/4"F. Bell & Gossett Airtrol Tank Fittings help to establish proper initial liquid level in the compression tank when filling the hydronic system. They...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 5.00 LBS
$228.00 -
572018-007 Armstrong Diaphragm Expansion Tank SX-60V
Armstrong
$742.95572018-007 Armstrong Diaphragm Expansion Tank SX-60V. Tank Volume 39.7 gal, (150L). Information: Armstrong NON-ASME Diaphragm Expansion Tank Submittal Sheet Armstrong Series SX Diaphragm Expansion Tank Installation Operating...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 46.00 LBS
$742.95 -
572018-003 Armstrong Diaphragm Expansion Tank 60
Armstrong
$561.95572018-003 Armstrong Diaphragm Expansion Tank 60 Tank Volume 6.3 gal, (24L). Information: Armstrong NON-ASME Diaphragm Expansion Tank Submittal Sheet Armstrong Series SX Diaphragm Expansion Tank Installation Operating...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 38.00 LBS
$561.95 -
1BN320LF Bell & Gossett PT-30V Expansion Tank
Bell & Gossett
$353.001BN320LF Bell & Gossett PT-30V 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 25.00 LBS
$353.00 -
FXA-300 Wessels Series Expansion Tank 21010300
Wessels
$3,907.95FXA-300 Wessels Series Expansion Tank 21010300. Wessels patented FXA Tanks are ASME replaceable bladder type pre-charged hydro-pneumatic tanks for commercial and industrial well and water systems, booster systems, or other non-heated potable water...- Availability:
- Please Contact Us For Availability
- Weight:
- 225.00 LBS
$3,907.95 -
CBX254-125 Taco Expansion Tank Bladder Only 600-9613RP
Taco
$3,173.95CBX254-125 Taco 600-9613RP Expansion Tank Bladder Only. *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,...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 35.00 LBS
$3,173.95 -
220001 Bell & Gossett Sight Glass Assembly
Bell & Gossett
$194.95220001 Bell & Gossett Sight Glass Assembly, 2 gauge cocks, glass tube 12" & guard rods. This Item Usually Ships The Same Day!- Availability:
- Please Contact Us For Availability
- Weight:
- 85.00 LBS
$194.95 -
573100-008 Armstrong A400-L Expansion Tank
Armstrong
$6,448.95573100-008 Armstrong A400-L Expansion Tank. 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 compressed air to...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 525.00 LBS
$6,448.95 -
116308 Bell & Gossett Series D-240 ASME Expansion Tank
Bell & Gossett
$6,135.95116308 Bell & Gossett Series D-240 ASME Expansion Tank. Tank Volume: 132.0 Gallons (500.0L). Series "D" (ASME) Pressurized Expansion Tank. "Not For Potable Water Systems". Bell & Gossett Expansion Tank Information: Bell & Gossett...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 398.00 LBS
$6,135.95 -
PTA-80V Bell & Gossett 1BN352LF ASME Potable Expansion Tank
Bell & Gossett
$3,857.00PTA-80V Bell & Gossett 1BN352LF 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 80.00 LBS
$3,857.00 -
116052 Bell & Gossett Series B-300 ASME Pressurized Expansion Tank
Bell & Gossett
$4,840.95116052 Bell & Gossett Series B-300 ASME Pressurized Expansion Tank. Tank And Acceptance Volume Gallons: 80 Gallons (300) liters. Repair Parts: 189580 Bell & Gossett B-300 Expansion Tank Replacement Bladder Only Information: Bell...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 227.00 LBS
$4,840.95 -
116667 Bell & Gossett Compression Tank Model 100
Bell & Gossett
$2,086.00116667 Bell & Gossett Compression Tank Model 100. Capacity Gallons 100. Required 112026 Bell & Gossett Airtrol Tank Fitting ATF-20 OR 112014 Bell & Gossett ATFL Airtrol Tank Fitting Bell & Gossett ASME...- Availability:
- Please Contact Us For Availability
- Weight:
- 168.00 LBS
$2,086.00 -
112011 Bell & Gossett ATF-16 Airtrol Tank Fittings
Bell & Gossett
$352.95112011 Bell & Gossett ATF-16 Airtrol Tank Fittings. Connection Size: Tank - 1/2"M, Boiler - 3/4"F. Bell & Gossett Airtrol Tank Fittings help to establish proper initial liquid level in the compression tank when filling the hydronic system. They...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 5.00 LBS
$352.95 -
12NA33 Wessels Series NA Hydronic Expansion Tank 23012033
Wessels
$1,262.9512NA33 Wessels Series NA Hydronic Expansion Tank 23012033, 15 Gal. Wessels NA series are ASME plain carbon steel expansion tanks. They are designed to absorb the expansion forces and control the pressure in heating/cooling systems. This tank is the...- Availability:
- Please Contact Us For Availability
- Weight:
- 48.00 LBS
$1,262.95 -
189585 Bell & Gossett Series B-1000 ASME Expansion Tank Bladder Only
Bell & Gossett
$5,769.00189585 Bell & Gossett Series B-1000 ASME Expansion Tank Bladder Only. Tank And Acceptance Volume Gallons: 264 Gallons (1000) liters. Bell & Gossett Pre-charged Bladder & Diaphragm Tanks ASME (B,D,B-LA). Please Contact Us For Lead Time &...- Availability:
- Please Contact Us For Availability
- Weight:
- 40.00 LBS
- Manufacturer:
- Bell & Gossett
- Series:
- "B" (ASME)
- Model No.:
- B-1000
- Part Number:
- 189585
- Tank And Acceptance Volume Gallons (Liters):
- 264 (1000)
- Type:
- Bladder Only
$5,769.00 -
189583 Bell & Gossett Series B-600 ASME Expansion Tank Bladder Only
Bell & Gossett
$4,530.00189583 Bell & Gossett Series B-600 ASME Expansion Tank Bladder Only. Tank And Acceptance Volume Gallons: 158 Gallons (600) liters. Bell & Gossett Pre-charged Bladder & Diaphragm Tanks ASME (B,D,B-LA). Please Contact Us For Lead Time &...- Availability:
- Please Contact Us For Availability
- Weight:
- 25.00 LBS
- Manufacturer:
- Bell & Gossett
- Series:
- "B" (ASME)
- Model No.:
- B-600
- Part Number:
- 189583
- Tank And Acceptance Volume Gallons (Liters):
- 158 (600)
- Type:
- Bladder Only
$4,530.00 -
572006-302 Armstrong AST-20 ASME Pre-Pressurized Expansion Tank
Armstrong
$1,871.95572006-302 Armstrong AST-20 ASME Pre-Pressurized Hydro-Pneumatic Expansion Tank. Volume Acceptance USGal (3.1) / Tank (8.0). Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs. Expansion tanks use...- Availability:
- This Item Usually Ships In 3-5 Days!
- Weight:
- 36.00 LBS
- Manufacturer:
- Armstrong
- Series:
- AST Series
- Model:
- AST-20
- Part Number:
- 572006-302
- Type:
- ASME Pre-Pressurized Hydro-Pneumatic and Drawdown Tanks For Booster Systems
- Volume Acceptance:
- 3.1
- Tank:
- 8.0
- Maximum Working Temperature:
- 240í«_F (115í«_C)
- Maximum Working Pressure:
- 125 psi (862 kPa)
- Shell:
- Steel
- Liner:
- Polypropylene
- System Connection:
- Stainless Steel
- Fixed Diaphragm:
- Heavy duty Butyl í_íÍ FDA approved
$1,871.95 -
CBX42-125 Taco CBX Vertical Bladder Expansion Tank 11 Gal
Taco
$2,973.95CBX42-125 Taco CBX Vertical Bladder Expansion Tank 11 Gal. Tank Volume, Gal: 11, Liter: 42. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for use...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 100.00 LBS
$2,973.95 -
573100-007 Armstrong A300-L Expansion Tank
Armstrong
$4,355.95573100-007 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...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 290.00 LBS
$4,355.95 -
PAX84-150 Taco Bladder Expansion Tank
Taco
$4,017.95PAX84-150 Taco Bladder Expansion Tank. Acceptance Volume: 12 gal, 45 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 150.00 LBS
$4,017.95
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.
