Top 8 Expansion Tank for Hot Water Heater – Water Heaters

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1. Watts Water Technologies

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

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

2. Amtrol

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AMTROL ST-5 Thermal Expansion Tank

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Amtrol #ad - Protects water heater, appliances and fixtures. 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. Returns water to the system when hot water is used. Inline thermal expansion tank. Returns water to the system when hot water is used. 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

3. 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

4. Amtrol

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Amtrol T-5 THERM-X-SPAN Expansion Tank

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

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

6. HIGHCRAFT

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

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HIGHCRAFT #ad - 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.

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. Low profile tank design with full Membrane Depth Eliminates Stretching of Diaphragm, Providing Increased Life Cycle.
BrandHIGHCRAFT #ad
ManufacturerHighcraft #ad
Height13 Inches
Length9 Inches
Weight4.6 Pounds
Width9 Inches
Part NumberGUI37
ModelGUI37
Warranty1 Year

7. Eastman

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

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Eastman #ad - 3-inches and it's indicated for use in water heaters and boilers with a capacity of 30-gallons to 50-gallons. 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.

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. Quality: eastman backs the unparalleled operation of this product with years of experience in manufacturing plumbing products. Design: this 2-gallon thermal expansion tank has a dimension of 12. 4-inches x 8. Connection: 3/4-inch MIP. Durability: manufactured with high-quality butyl rubber diaphragm and 304-stainless steel fittings for a long performance.
BrandEastman #ad
ManufacturerEZ-FLO International #ad
Height12 Inches
Length8 Inches
Weight5.2 Pounds
Width8 Inches
Part Number60022
Model60022

8. Falcon Stainless, Inc.

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Falcon Stainless EXPT-4 Thermal Potable Water Expansion Tank 4.8 Gal with Butyl Bladder/Polypropylene Liner and Stainless Steel 3/4-Inch Male Thread Connection for up to 120-Gallon Water Heaters

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Falcon Stainless, Inc. #ad - 16 gauge solid steel tank, finished with highest quality urothane paint. 100% pressure tested and backed with a 5 year limited warranty. Series thermal expansion tanks 100% effectively eliminate built up system pressure. Steel clench ring regulates movement and prevents diaphragm from rubbing against tank wall. Stainless Steel water connection to reduce corrosion. Falcon stainless e. T.
BrandFalcon Stainless, Inc. #ad
ManufacturerFalcon Stainless, Inc. #ad
Height15 Inches
Length11 Inches
Weight9 Pounds
Width11 Inches
Part NumberEXPT 4