Expansion Tanks
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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 -
1BN104LF Bell & Gossett WT-404 Domestic Well Tank
Bell & Gossett
1BN104LF Bell & Gossett WT-404 Domestic Well Tank. *Obsolete. Replaced by 1BN372LF WTA-404 ASME Domestic Well Tank. Bell & Gossett None-ASME Domestic Well Tanks. The Series WT expansion tank will help protect the pump and pressure switches...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 215.00 LBS
- Brand:
- Bell & Gossett
- Model Number:
- WT-404
- Part Number:
- 1BN104LF
- Style:
- Non-ASME Domestic Well Tank
- Vol/Tank Accept (gal):
- 66/34.3
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572018-004 Armstrong Diaphragm Expansion Tank 90
Armstrong
$552.95572018-004 Armstrong Diaphragm Expansion Tank 90, non-asme, 13.2 gallon tank, 8.2 acceptance volume. *Please note image is generic. Information: Armstrong NON-ASME Diaphragm Expansion Tank Submittal Sheet Armstrong Series SX Diaphragm Expansion...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 23.00 LBS
$552.95 -
2220300 Wessels Series NLA-300 Expansion Tank Bladder Only
Wessels
$2,952.002220300 Wessels Series NLA-300 Expansion Tank Bladder Only. Wessels bladder expansion tanks are required in a closed loop heating or chilled water HVAC system to absorb the expanding fluid and limit the pressure within a heating or cooling system. A...- Availability:
- Please Contact Us For Availability
- Weight:
- 25.00 LBS
$2,952.00 -
85-L Armstrong Expansion Tank 572006-198
Armstrong
$2,871.9585-L Armstrong Expansion Tank 572006-198. Armstrong 85-L Expansion Tank. Tank Volume Gal/L: 23 (87). Armstrong Series L Bladder Expansion Tanks. Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 90.00 LBS
$2,871.95 -
CBX254-125 Taco CBX Vertical Bladder Expansion Tank 67 Gal
Taco
$5,197.95CBX254-125 Taco CBX Vertical Bladder Expansion Tank 67 Gal. Tank Volume, Gal: 67, Liter: 254. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 290.00 LBS
$5,197.95 -
CBX130-125 Taco CBX Vertical Bladder Expansion Tank 34 Gal
Taco
$4,471.95CBX130-125 Taco CBX Vertical Bladder Expansion Tank 34 Gal. Tank Volume, Gal: 34, Liter: 130. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for...- Availability:
- Please Contact Us For Lead Time.
- Weight:
- 200.00 LBS
$4,471.95 -
PAX30-150 Taco Bladder Expansion Tank
Taco
$2,469.95PAX30-150 Taco Bladder Expansion Tank. 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 models to meet...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 95.00 LBS
$2,469.95 -
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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 2.00 LBS
$82.50 -
1BN334 Bell & Gossett HFT-110V Expansion Tank
Bell & Gossett
$1,058.001BN334 Bell & Gossett HFT-110V 62 Gallon Hydronic Heating Expansion Tank 1BN334. Information: Bell & Gossett Non-ASME Expansion Tanks Series HFT Pre-Charged Diaphragm Technical Brochure Bell & Gossett Diaphragm Expansion Tanks ASME And...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 94.00 LBS
$1,058.00 -
1BN322LF Bell & Gossett PT-60V Expansion Tank
Bell & Gossett
$494.951BN322LF Bell & Gossett PT-60V 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:
- 61.00 LBS
$494.95 -
FXA-200 Wessels Series Expansion Tank 21010200
Wessels
$3,587.00FXA-200 Wessels Series Expansion Tank 21010200. 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:
- 215.00 LBS
$3,587.00 -
BB-50-G Boiler Buddy Buffer Tank 50 Gal Geothermal W/Aquastat
Boiler Buddy
BB-50-G Boiler Buddy Buffer Tank 50 Gal Geothermal With 3 Aquastat Wells. 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 115.00 LBS
- Manufacturer:
- Boiler Buddy
- Model:
- BB-50-G
- Capacity U.S. Gallons:
- 50
- Geothermal Hydro Tank:
- 3 Aquastat Wells
- Max Pressure:
- 75
- Primary/Secondary Connections NPT Male:
- 1-1/2"
- Drain Connections NH(M):
- 3/4"
- Air Vent NPT:
- 1/2"
- Height:
- 72"
- Diameter:
- 19-1/4"
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113243 Bell & Gossett TPV-1.5FF Tank Purge Valve
Bell & Gossett
$254.95113243 Bell & Gossett TPV-1.5FF Tank Purge Valve, 2" female NPT System Connection x 2" Female NPT Tank Connection. Please note image is generic. The Bell & Gossett Tank Purge Valve (TPV) is a combination full port ball type isolation valve...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 6.00 LBS
$254.95 -
35-L Armstrong Expansion Tank 572006-196
Armstrong
$2,459.9535-L Armstrong Expansion Tank 572006-196. Armstrong 35-L Expansion Tank. Tank Volume Gal/L: 10(38). Armstrong Series L Bladder Expansion Tanks. Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 45.00 LBS
$2,459.95 -
572006-303 Armstrong AST-30 ASME Pre-Pressurized Expansion Tank
Armstrong
$2,861.95572006-303 Armstrong AST-30 ASME Pre-Pressurized Hydro-Pneumatic Expansion Tank. Volume Acceptance USGal (10.5) / Tank (15.0). 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:
- 67.00 LBS
- Manufacturer:
- Armstrong
- Series:
- AST Series
- Model:
- AST-30
- Part Number:
- 572006-303
- Type:
- ASME Pre-Pressurized Hydro-Pneumatic and Drawdown Tanks For Booster Systems
- Volume Acceptance:
- 10.5
- Tank:
- 15.0
- Maximum Working Temperature:
- 240*F (115*C)
- Maximum Working Pressure:
- 125 psi (862 kPa)
- Shell:
- Steel
- Liner:
- Polypropylene
- System Connection:
- Stainless Steel
- Fixed Diaphragm:
- Heavy duty Butyl FDA approved
$2,861.95 -
AX-180V Armstrong 572005-105 Pre-charged ASME Expansion Tank
Armstrong
$4,542.00AX-180V Armstrong 572005-105 Pre-charged ASME Expansion Tank. *Please note image is generic. Tank Volume 90.0 gal, (73.0 L). Armstrong Series AX & AX-V Diaphragm Expansion Tanks are designed to reduce tank sizes by up to 80% over standard...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 322.00 LBS
$4,542.00 -
PS030-125 Taco PS Expansion Tank 30 Gal
Taco
$1,279.95PS030-125 Taco PS Expansion Tank 30 Gal. Capacity (Gal) 30. 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:
- 108.00 LBS
$1,279.95 -
116310 Bell & Gossett Series D-280 ASME Expansion Tank
Bell & Gossett
$9,287.95116310 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 &...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 752.00 LBS
$9,287.95 -
CX300-125 Taco 79 Gal Diaphragm Expansion Tank
Taco
$4,459.95CX300-125 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 365.00 LBS
- Manufacturer:
- Taco
- Series:
- CX Expansion Diaphragm Tank
- Model:
- CX300-125
- Tank Volume:
- 79 Gal
- Working Pressure:
- 125 PSIG
- Diaphragm:
- Heavy Duty Butyl (Non Replaceable)
- Options:
- California Sight Glass / Seismic Clips (4)
$4,459.95 -
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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 310.00 LBS
$5,581.95 -
CA215-125 Taco CA Expansion Tank
Taco
$6,288.00CA215-125 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 300.00 LBS
$6,288.00 -
116305 Bell & Gossett Series D-144 ASME Expansion Tank
Bell & Gossett
$4,458.95116305 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 268.00 LBS
$4,458.95 -
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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 33.00 LBS
$2,403.95 -
PTA-12 Bell & Gossett 1BN347LF ASME Potable Expansion Tank
Bell & Gossett
$2,051.00PTA-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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 23.00 LBS
$2,051.00 -
116664 Bell & Gossett Compression Tank Model 40
Bell & Gossett
$1,242.00116664 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...- Availability:
- Please Contact Us For Availability
- Weight:
- 92.00 LBS
$1,242.00 -
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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 2.00 LBS
$94.50 -
572018-001 Armstrong Diaphragm Expansion Tank 15
Armstrong
$204.95572018-001 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 5.00 LBS
$204.95 -
1BN317LF Bell & Gossett PT-5 Expansion Tank
Bell & Gossett
$100.001BN317LF Bell & Gossett PT-5 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:
- 6.00 LBS
$100.00 -
22010300 Wessels Series NLA-300 Expansion Tank
Wessels
$4,761.9522010300 Wessels Series NLA-300 Expansion Tank. Wessels bladder expansion tanks are required in a closed loop heating or chilled water HVAC system to absorb the expanding fluid and limit the pressure within a heating or cooling system. A properly...- Availability:
- Please Contact Us For Availability
- Weight:
- 225.00 LBS
$4,761.95 -
116481 Bell & Gossett B130 ASME Bladder Expansion Tank
Bell & Gossett
$3,914.00116481 Bell & Gossett B130 ASME Bladder Expansion Tank. Tank And Acceptance Volume Gallons: 34 Gallons (130) liters. Bell & Gossett Expansion Tank Information: Bell & Gossett Series B ASME Expansion Tank Brochure Bell & Gossett...- Availability:
- Please Contact Us For Availability
- Weight:
- 125.00 LBS
$3,914.00 -
PAX170-150P Taco Bladder Expansion Tank Potable Water
Taco
$4,357.00PAX170-150P 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 240.00 LBS
$4,357.00 -
BB-119-3W Boiler Buddy Buffer Tank 119 Gal W/3 Aquastat Wells
Boiler Buddy
$4,216.95BB-119-3W Boiler Buddy Buffer Tank 119 Gal W/3 Aquastat Wells. 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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 133.00 LBS
- Manufacturer:
- Boiler Buddy
- Model:
- BB-119-3W
- Capacity U.S. Gallons:
- 119
- Buffer Tank:
- 3 Aquastat Wells
- Max Pressure:
- 75
- Primary/Secondary Connections NPT Male:
- 2-1/2"
- Drain Connections NH(M):
- 3/4"
- Air Vent NPT:
- 1/2"
- Height:
- 72-1/2"
- Diameter:
- 27"
$4,216.95 -
PAX30-125 Taco Expansion Tank Bladder Only 600-2065RP
Taco
$2,557.95600-2065RP Taco PAX30-125 Expansion Tank Bladder Only. 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...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 55.00 LBS
$2,557.95 -
CBX130-125B Taco CBX Vertical Bladder Expansion Tank W/Sight Glass
Taco
$4,658.95CBX130-125B Taco CBX Vertical Bladder Expansion Tank W/Sight Glass, 34 Gal. Tank Volume, Gal: 34, Liter: 130. *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and...- Availability:
- Please Contact Us For Lead Time.
- Weight:
- 200.00 LBS
$4,658.95 -
573001-008 Armstrong A300-L Expansion Tank Replacement Bladder
Armstrong
$3,208.95573001-008 Armstrong A300-L Expansion Tank Replacement Bladder Only. 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...- Availability:
- Please Contact Us For Lead Time!
- Weight:
- 70.00 LBS
$3,208.95 -
572006-304 Armstrong AST-42 ASME Pre-Pressurized Expansion Tank
Armstrong
$3,157.95572006-304 Armstrong AST-42 ASME Pre-Pressurized Hydro-Pneumatic Expansion Tank. Volume Acceptance USGal (15.5) / Tank (22.0). 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:
- 92.00 LBS
- Manufacturer:
- Armstrong
- Series:
- AST Series
- Model:
- AST-42
- Part Number:
- 572006-304
- Type:
- ASME Pre-Pressurized Hydro-Pneumatic and Drawdown Tanks For Booster Systems
- Volume Acceptance:
- 15.5
- Tank:
- 22.0
- Maximum Working Temperature:
- 240F (115C)
- Maximum Working Pressure:
- 125 psi (862 kPa)
- Shell:
- Steel
- Liner:
- Polypropylene
- System Connection:
- Stainless Steel
- Fixed Diaphragm:
- Heavy duty Butyl FDA approved
$3,157.95 -
572006-301 Armstrong AST-12 ASME Pre-Pressurized Expansion Tank
Armstrong
$2,463.95572006-301 Armstrong AST-12 ASME Pre-Pressurized Hydro-Pneumatic Expansion Tank. Volume Acceptance USGal (3.1) / Tank (5.0). 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:
- 30.00 LBS
- Manufacturer:
- Armstrong
- Series:
- AST Series
- Model:
- AST-12
- Part Number:
- 572006-301
- Type:
- ASME Pre-Pressurized Hydro-Pneumatic and Drawdown Tanks For Booster Systems
- Volume Acceptance:
- 3.1
- Tank:
- 5.0
- 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
$2,463.95 -
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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 245.00 LBS
$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...- Availability:
- This Item Usually Ships The Same Day!
- Weight:
- 223.00 LBS
$2,461.95
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.
