Top 10 Water Heater Thermal Expansion Tank – Water Heaters

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1. Amtrol

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AMTROL ST-5 Thermal Expansion Tank

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Amtrol #ad - Inline thermal expansion tank. Returns water to the system when hot water is used. Returns water to the system when hot water is used. Prevents dripping faucets, intermittent toilet fill and pressure relief valve discharge. Accepts expanded water caused by thermal expansion. Prevents the relief valve from going off. Protects water heater, appliances and fixtures. Accepts expanded water caused by thermal expansion.
BrandAmtrol #ad
ManufacturerAMTROL #ad
Height13 Inches
Length8 Inches
Weight4.6 Pounds
Width8 Inches
Part NumberST-5
ModelST-5

2. Watts Water Technologies

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Stainless Steel Nipple, Model #Plt-5, WATTS WATER TECHNOLOGIES GIDDS-1030401 Potable Water Expansion Tank, 2.1 Gallon, Lead Free

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Watts Water Technologies #ad - This product adds a great value. This product is manufactured in United states. This product is highly durable.
BrandWatts Water Technologies #ad
ManufacturerWATTS WATER TECHNOLOGIES #ad
Height11 Inches
Length8 Inches
Weight5.4 Pounds
Width8 Inches
Part NumberGIDDS-1030401
ModelGIDDS-1030401

3. Amtrol

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Amtrol T-5 THERM-X-SPAN Expansion Tank

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Amtrol #ad - Prevents the relief valve from going off. Prevents a dangerous pressure build-up in the system. Eliminates the waste of energy and water, thus saving money. Protects the water heater and Plumbing Fixtures from premauture failure.
BrandAmtrol #ad
ManufacturerAPR Supply Co. #ad
Height8.3 Inches
Length13.5 Inches
Weight0 Pounds
Width8.4 Inches
Part NumberAX-120V
ModelT-5

4. Falcon Stainless, Inc.

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Falcon Stainless EXPT-2 Thermal Potable Water Expansion Tank 2.1 Gal with Butyl Bladder/Polypropylene Liner and Stainless Steel 3/4-Inch Male Thread Connection for up to 50-Gallon Water Heaters

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Falcon Stainless, Inc. #ad - 100% pressure tested and backed with a 5 year limited warranty. Series thermal expansion tanks 100% effectively eliminate built up system pressure. 16 gauge solid steel tank, finished with highest quality urothane paint. Stainless Steel water connection to reduce corrosion. Falcon stainless e. T. Steel clench ring regulates movement and prevents diaphragm from rubbing against tank wall.
BrandFalcon Stainless, Inc. #ad
ManufacturerFalcon Stainless, Inc. #ad
Height12.75 Inches
Length8 Inches
Weight4.9 Pounds
Width8 Inches
Part Number989

5. Apollo Valves

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Apollo Valves 69TANKTEE Tank Tee Expansion Tank Installation Device

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Apollo Valves #ad - Apollo tank tee for expansion tank installation. Quickly attach an expansion tank to the water heater with push to fit technology. Certifications: iapmo igc 128-2008; NSF approved. No tools needed, just pipe thread sealing tape. Easy to install; Lead free.
BrandApollo Valves #ad
ManufacturerConbraco #ad
Height2.13 Inches
Length7.13 Inches
Weight0.76 Pounds
Width1.25 Inches
Part Number69TANKTEE
Model69TANKTEE
Warranty2 Years

6. Eastman

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White, Eastman 60022 60022/DET-5 2 Gallon Expansion Tank

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Eastman #ad - 4-inches x 8. Factory precharged: the expansion tank is factory precharged at 40 psi, this setting can be adjusted during installation to match the water pressure of your home.

Durability: manufactured with high-quality butyl rubber diaphragm and 304-stainless steel fittings for a long performance. Quality: eastman backs the unparalleled operation of this product with years of experience in manufacturing plumbing products. 3-inches and it's indicated for use in water heaters and boilers with a capacity of 30-gallons to 50-gallons. Design: this 2-gallon thermal expansion tank has a dimension of 12. Reliable protection: eastman thermal expansion tanks are designed with quality to prevent hot water from backflowing into the cold water line, they also avoid pressure build-ups that can be dangerous for your water heater. Connection: 3/4-inch MIP.
BrandEastman #ad
ManufacturerEZ-FLO International #ad
Height12 Inches
Length8 Inches
Weight5.2 Pounds
Width8 Inches
Part Number60022
Model60022

7. HIGHCRAFT

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210 Degrees Fahrenheit, Carbon Shell, Stainless Steel 3/4'' MIP Connection, Almond Color, 2.1 Gallons, HIGHCRAFT GUU7 Thermal Expansion Tanks-for Hot Water Heaters, Butyl Diaphragm, 150 PSI

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HIGHCRAFT #ad - Protect safety valves from Failing; Save Energy and Water. Prevent dangerous pressure Build Up & Protect 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; High Grade Steel Construction; Made in Italy; All Tanks Are NSF61 Certified. Thermal expansion tanks are used to prevent plumbing System And/or Water Heater Damage and Unnecessary Relief Valve Discharge Caused by Excessive Pressure from Thermal Expansion.
BrandHIGHCRAFT #ad
ManufacturerHighcraft #ad
Height9 Inches
Length13 Inches
Width9 Inches
Part NumberGUU7
ModelGUU7
Warranty1 Year

8. Watts

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Watts DET-5 2.1 G Potable Water Expansion Tank for 50-Gallon Water Heaters

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Watts #ad - Protects the water heater from thermal expansion^absorbs the increased volume of water created when water is heated^For water heaters up to 50-Gallon^Contains a durable membrane to prevent contact of water with air in the tank^Pre-pressurized steel tank at 20 psi.
BrandWatts #ad
ManufacturerWatts #ad
Height8.8 Inches
Length13 Inches
Width9.2 Inches
Part NumberDET-5
ModelDET-5

9. Holdrite

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Holdrite QS-U Expansion Bracket, Stainless Steel

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Holdrite #ad - Material: galvanized and Stainless Steel construction support heated water tanks. Size: supports 5-gallon hot water tanks up to 13 inches in diameter. Rated: heater is compliant with Uniform Plumbing Code and International Plumbing Code requirements. Safe: straps secure water tank to wall and takes weight load off thermal pipes.
BrandHoldrite #ad
ManufacturerHoldRite #ad
Height4.75 Inches
Length4.63 Inches
Width8.13 Inches
Part NumberQS-U
ModelQS-U

10. HIGHCRAFT

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75 PSI, HIGHCRAFT GUI37 FTH15 Flextrol Hydronic Expansion Tanks-For Hot Water Heaters, 2.1 Gallons, 210 Degrees Fahrenheit, SBR Synthetic Rubber, Carbon Steel Shell 3/4 Inch MIP Connection, Gray Color

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HIGHCRAFT #ad - Low profile tank design with full Membrane Depth Eliminates Stretching of Diaphragm, Providing Increased Life Cycle. Hydronic non-potable expansion Tank for Closed Hot Water Heating Systems, Boilers.

Mig welding eliminates interior rough spots and Sharp Edges; High Grade Steel Construction; Made In Italy; Certified Synthetic SBR Rubber Diaphragm. Hydronic expansion tanks are diaphragm Type Tanks Designed to Keep System Pressures Below Relief Valve Settings. Hydronic forced hot water expansion Tanks Absorb the Expansion of Water in Residential or Commercial Hydronic Heating and Cooling Systems.
BrandHIGHCRAFT #ad
ManufacturerHighcraft #ad
Height13 Inches
Length9 Inches
Weight4.6 Pounds
Width9 Inches
Part NumberGUI37
ModelGUI37
Warranty1 Year