2.1 Gal. Non-Potable Hot Water Hydronic Expansion Tank
SKU: 59257095273

2.1 Gal. Non-Potable Hot Water Hydronic Expansion Tank

Sale price$26.99 Regular price$29.99
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

2.1 Gal. Non-Potable Hot Water Hydronic Expansion TankHydronic Expansion Tanks are designed to keep system pressures below relief valve settings. Low profile tank design with full membrane depth which eliminates stretching of diaphragm and providing increased life cycle. It absorbs all the expansions of water in residential and commercial hydronic heating and cooling systems. Protects safety valves from failing or wearing out quickly. Avoids valve stem and ball seal leaks which prevents from wasted BTUs

Hydronic Expansion Tanks are designed to keep system pressures below relief valve settings. Low profile tank design with full membrane depth which eliminates stretching of diaphragm and providing increased life cycle. It absorbs all the expansions of water in residential and commercial hydronic heating and cooling systems. Protects safety valves from failing or wearing out quickly. Avoids valve stem and ball seal leaks which prevents from wasted BTUs and vastly extends water heater life. Measures 11.6 in. L x 8.7 in. W x 11.6 in. H, tank size 2.1 Gal. and tank weight 4.6 lbs.
  • All diaphragms designed to maximize drawdown
  • Low profile tank design with full membrane depth eliminates stretching of diaphragm, providing increased life cycle
  • Protected pre charge valve eliminates potential leak path
  • External baked epoxy-polyester coating provides a durable appliance finish
  • MIG welding eliminates interior rough spots and sharp edges
  • Certified synthetic SBR rubber diaphragm
  • Each tank is factory leak tested to ensure tank integrity
  • Welded side outlet allows easy and quick installation
  • Maximum operating pressure 2.1 Gal. 75 psi
  • Operating temperature: 210°F
  • Factory pre-charge: 12 psi
  • Shell: carbon steel
  • Connection: carbon steel
  • Diaphragm: SBR synthetic rubber
  • Color: gray
  • 1 Year Warranty


Features
Item Weight 4.6
Material Shell made of carbon steel, Connection with Stainless steel
Product Weight (lb.) 4.6
Finish Family Gray
Pack Size 1
Compatible Brand/Model The Plumber's Choice
Returnable 180-Day
Product Height (in.) 11.6
Product Width (in.) 8.7
Product Depth (in.) 11.6
Manufacturer Warranty 1 Year Warranty

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: 59257095273

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 935 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
G
Verified Purchase
G123
Chelsea, US
★★★★★ 5
It works well.
Size: 8 Fl Oz (Pack of 1)
Great product that delivers on what it says it does. This won’t fix a mechanical problem or damaged component, but it will fix a stuck float, varnished tank, gummed up jet, or partially blocked emulsion tube.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
R
Verified Purchase
R Duke, Texas
Louisville, US
★★★★★ 5
It Works
Size: 8 Fl Oz (Pack of 2)
This stuff works. I added it to my four 5 gallon gas cans before filling them up. I’ve used 10 gallons of gas in my lawn tractor so far and can tell it likes it. I do annual maintenance before summer and check or change the spark plug so it performs the best it can. I have 508 hours on it and with this it seems like it idols smoother, which indicates it has helped in the carburetor since I haven’t had to remove it and clean it. Works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
D
Verified Purchase
Dennis
Cuba, US
★★★★★ 5
Great product
Size: 4 Fl Oz (Pack of 1)
Used this stabil in my rider after first start of the season. Machine running rough and uneven. Drained old fuel and added it. Within 15 minutes at full throttle it began to run normal. No back fires and engine back to normal. There will always be a bottle of this in my garage.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
S
Verified Purchase
Snowbutch1
Houston, US
★★★★★ 5
Works Great
Size: 8 Fl Oz (Pack of 1)
I"ve used Stabil gas treaments for year but never this particular type. With gas the way it is, I decided to see how it might help my mower and also my older truck. My older push mower which admittedly doesn't get pampered and petted seems to love it. Either it's grateful to get anything special or this stuff really has helped. The first tank seemed a little smoother but by the second I could hear the difference and feel it with the smoother sound and seems more power. It's easy to mix and use and Stabil is a well known reputable company.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
I
Verified Purchase
IRL
Birmingham, US
★★★★★ 5
Easy and worked seamlessly with the new Apple MacBook Pro
Style Name: MacBook Pro 14" (M4), Configuration: 3 years
This was our first (Apple MacBook Pro M4) and big purchase directly on Amazon. I was not concerned about the order and product, but more concerned about the AppleCare+ not being connected directly to the device (after reading some reviews). However, I am happy to report that this was the first thing I checked as soon as we set up our computer. We are set for 3 years ... so thank you, Amazon and Apple, for working out the backend stuff and making our lives easier. It worked for us. It was easy, and I am happy with the overall quality of the process. Oh, don't forget it was cheaper than buying yearly from Apple directly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 16, 2025

recommand products