SKU: 8734498306

2.1 Gal. Potable Hot Water Heater Thermal Expansion Pressure Tank

Sale price$55.20 Regular price$61.33
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

2.1 Gal. Potable Hot Water Heater Thermal Expansion Pressure TankThermal Expansion Tanks are designed for pressure control in potable water systems. The tank uses compressed air to maintain system pressures by accepting and expelling the changing volume of water as it heats and cools. It prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard. It is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a

Thermal Expansion Tanks are designed for pressure control in potable water systems. The tank uses compressed air to maintain system pressures by accepting and expelling the changing volume of water as it heats and cools. It prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard. It is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a pressure reducing valve. Measures: 11 in. L x 7.9 in. W x 11 in. H with 2.1 Gal. tank size, 6 lbs. weight and 3/4 in. connection size (NPT).
  • Protected pre-charge valve eliminates potential leak path
  • Prevents dangerous pressure build up, protects household appliances and fixtures
  • External baked epoxy-polyester coating provides a durable appliance finish
  • Exclusive polypropylene liner eliminates internal corrosion
  • MIG welding eliminates interior rough spots and sharp edges
  • All tanks are NSF61 certified
  • Each tank is factory leak tested
  • 150 PSI maximum pressure rating
  • Maximum operating pressure: 150 PSI
  • Operating temperature: 210°F
  • Factory pre-charge: 40 psi
  • Shell: carbon steel
  • Connection: stainless steel
  • Diaphragm: butyl
  • Color: almond
  • 1 Year Warranty


Features
Item Weight 6
Product Weight (lb.) 6
Finish Family Beige/Bisque
Material Carbon Steel
Pack Size 1
Compatible Brand/Model The Plumber's Choice
Returnable 180-Day
Product Height (in.) 11
Product Depth (in.) 11
Product Width (in.) 7.9
Manufacturer Warranty 1 Year

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 8734498306

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Turtle1
Carnegie, US
★★★★★ 5
Really good value
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Reviewed in the United States on April 27, 2026
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Eric Schneider
Fort Morgan, US
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Great for oil change for a Street Glide
Just what I needed to do the job.
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Reviewed in the United States on December 5, 2025
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Nicholas Dillard
Houston, US
★★★★★ 5
5/5
Does as intended. Easy to use and easy to drain once oil is changed.
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Reviewed in the United States on November 16, 2025
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Frank D
Cuba, US
★★★★★ 5
Works great
Exactly what I was looking for at a great price 👍
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Reviewed in the United States on November 5, 2025

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