Top 10 Thermal Expansion Tank – Water Heaters

As an Amazon Associate I earn from qualifying purchases.

1. Amtrol

#ad

AMTROL ST-5 Thermal Expansion Tank

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

2. Amtrol

#ad

Amtrol ST-12 Thermal Expansion Tank

#ad
Amtrol #ad - Eliminates the waste of energy and water, thus saving money. Eliminates the waste of energy and water, thus saving money. Prevents the relief valve from going off. Prevents a dangerous pressure build-up in the system. Protects the water heater and plumbing fixtures from premauture failure.
BrandAmtrol #ad
ManufacturerAMTROL #ad
Height15 Inches
Length8 Inches
Weight2.2 Pounds
Width11 Inches
Part NumberST-12
ModelST-12

3. Watts Water Technologies

#ad

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

#ad
Watts Water Technologies #ad - This product is manufactured in United states. This product adds a great value. 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

4. Flexcon Industries

#ad

4.8 Gallon, Flexcon Industries PH12 FLEX2PRO Thermal Expansion Tank

#ad
Flexcon Industries #ad - Ph tanks feature a 100% butyl diaphragm and plastic liner to separate the system water from the tank’s air precharge. Volume: 4. 8 gallons. Ph tanks are comprehensively tested and backed by Flexcon’s 1 year limited warranty. The system connection has a stainless steel nipple to prevent corrosion, something so other manufacturer offers. Tanks are finished with appliance quality paint which helps prevent external corrosion.
BrandFlexcon Industries #ad
ManufacturerFlexcon Industries #ad
Height15.1 Inches
Length11.2 Inches
Width11.1 Inches
Part NumberPH12
ModelPH12
WarrantyOne-year warranty

5. Amtrol

#ad

Amtrol T-5 THERM-X-SPAN Expansion Tank

#ad
Amtrol #ad - Protects the water heater and Plumbing Fixtures from premauture failure. Prevents a dangerous pressure build-up in the system. Eliminates the waste of energy and water, thus saving money. 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

6. ProFlo

#ad

PROFLO PFXT12I PROFLO PFXT12I 4.8 Gallon Thermal Expansion Tank

#ad
ProFlo #ad - Capacity: 4. 8 gallons. Constructed of steel ensuring durability and dependability. High quality finish will resist rust and corrosion through everyday use. Width: 11". Depth: 11".
BrandProFlo #ad
ManufacturerPROFLO #ad
Weight5.5 Pounds
Part NumberPFXT12I
ModelPFXT12I

7. ProFlo

#ad

PROFLO PFXT5I PROFLO PFXT5I 2.1 Gallon Thermal Expansion Tank

#ad
ProFlo #ad - Capacity: 2. 1 gallons. High quality finish will resist rust and corrosion through everyday use. Width: 8". Depth: 8". Constructed of steel ensuring durability and dependability.
BrandProFlo #ad
ManufacturerPROFLO #ad
Weight9.75 Pounds
Part NumberPFXT5I
ModelPFXT5I

8. HIGHCRAFT

#ad

4.8 Gallons, HIGHCRAFT GUU34 Thermal Expansion Tank for Hot Water Heater Carbon Steel Almond Color Holds 4.8 Gal

#ad
HIGHCRAFT #ad - Protects your water heater; Prevents Dangerous Pressure Build up; Eliminates Potential Leak Path. Features a solid carbon steel construction with an Exclusive Polypropylene Liner, MIG Welding, and External Baked Epoxy-Polyester Coating for Superior Performance. Saves energy and Water. Each tank is factory Leak Tested and NSF61 Certified. Max operating pressure 150 PSI; Temperature 210°F.
BrandHIGHCRAFT #ad
ManufacturerHighcraft #ad
Height11 Inches
Length16 Inches
Width11 Inches
Part NumberGUU34
ModelGUU34
Warranty1 Year

9. Flexcon Industries

#ad

FLEXCON PH5 2 GAL FLEX 2 PRO POTABLE WATER WELL/THERMAL EXPANSION VFD PRESSURE TANK

#ad
Flexcon Industries #ad - Or use as a heating system expansion tank. Drawdown @ 30-50 setting : 07 gallons drawdown @ 40-60 setting : 06 gallons. Tank volume: 2 gallons. Use as a water well constant pressure vfd tank. Factory pre-charged pressure: 40 PSI;.
BrandFlexcon Industries #ad
ManufacturerFLEXCON INDUSTRIES #ad
Part NumberPH5
ModelPH5

10. Watts

#ad

Watts DET-5-M1 2.1 Gallon Potable Water Expansion Tank for Water Heaters and Hot Water Supply Systems For Water Heaters up to 50 Gallons

#ad
Watts #ad - Rugged flexible butyl diaphragm ensures long and trouble-free life. Field adjustable precharge. In-line and free standing models. Use with water heaters up to 50 gallons. Has a 3/4 in. Can be used with most standard water heaters and storage tanks. Male connection and 2. 1 gallon tank volume.
BrandWatts #ad
ManufacturerWatts #ad
Height8.8 Inches
Length13 Inches
Width9.2 Inches
Part NumberDET-5
ModelDET-5-M1