Top 10 Expansion Tank 3 Gallon – Under-Sink & Countertop Filtration

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1. tankRo

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TankRO – RO Water Filtration System Expansion Tank – 3 Gallon Water Tank -– Compact Reverse Osmosis Water Storage Pressure Tank with Free 1/4" Tank Ball Valve

#adtankRo #ad - Reverse osmosis tank: made from 100% food grade materials, this RO water tank stores and keeps your water free from any impurities and harsh chemicals. Durable water storage tank: this RO water tank is rigorously tested for quality and durability and includes a 1-year warranty.

Easy to install water tank: ro tank replacements include free tank ball valve for easy set-up and replacement with 1⁄4” quick connect design. Water tank dimensions: this compact water tank is designed 14 x 9 x 9 to fit under most kitchen sinks. The perfect addition to any RO water system. High quality water tank: this water storage tank is made from durable deep-drawn steel domes with precision welding to ensure long lasting value for your RO water system. Stores up to 2. 2 gallons of water for on-demand filtered drinking water.

Brand	tankRo #ad
Manufacturer	tankRo #ad
Height	14 Inches
Length	9 Inches
Weight	6 Pounds
Width	9 Inches
Part Number	GTS3
Model	GTS3

2. APEC Water Systems

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APEC Water Systems TANK-3 3 Gallon Residential Pre-Pressurized Reverse Osmosis Water Storage Tank , White

#adAPEC Water Systems #ad - Food grade bladder to ensure quality, safety and durability. Pre-pressurized 3 gallon water storage tank holds up to 2. 4 gallon of water. Inlet/outlet connection: 1/4 inch male pipe thread. Discharge efficiently in a vertical or horizontal position with tank stand. Special designed for ro application.

Brand	APEC Water Systems #ad
Manufacturer	APEC Water Systems #ad
Height	14.5 Inches
Length	9.5 Inches
Weight	2 Pounds
Width	9.5 Inches
Part Number	TANK-3
Model	TANK-3

3. APEC Water Systems

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APEC Water Systems TANK-4 4 Gallon Residential Pre-Pressurized Reverse Osmosis Water Storage Tank,White

#adAPEC Water Systems #ad - Food grade bladder and certified to ensure quality, safety and durability. Inlet/outlet connection: 1/4 inch male pipe thread. Pre-pressurized 4 gallon water storage tank holds up to 3. 2 gallon of water. Discharge efficiently in a vertical or horizontal position with tank stand. Special designed for ro application.

Brand	APEC Water Systems #ad
Manufacturer	APEC Water Systems #ad
Height	14.5 Inches
Length	11 Inches
Weight	1.98 Pounds
Width	11 Inches
Part Number	TANK-4
Model	TANK-4

4. iSpring

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4 Gallon, iSpring T32M Pressurized Water Storage Tank with Ball Valve for Reverse Osmosis RO Systems, 1/4" Tank Valve Included

#adiSpring #ad - Discharges effectively in both vertical and horizontal position. Tested by independent third-party to meet NSF/ANSI Standard. Stainless steel 1/4" npt valve thread, 1/4-inch tank valve Included. Pre-pressurized between 7-10 psi for common use. Metal pressurized tank with up to 3. 2 gallon holding capacity. Made from food grade butyl diaphragm with post-cure procedures provides a tasteless and odorless water chamber.

Brand	iSpring #ad
Manufacturer	iSpring Water Systems #ad
Height	14 Inches
Length	11 Inches
Weight	8 Pounds
Width	11 Inches
Part Number	T32M
Model	T32M

5. Holdrite

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HoldRite QuickStrap Universal Expansion Tank Water Heater Wall Mounting Bracket, Stainless Steel, QS-U

#adHoldrite #ad - 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. Material: galvanized and Stainless Steel construction support heated water tanks. Safe: straps secure water tank to wall and takes weight load off thermal pipes.

Brand	Holdrite #ad
Manufacturer	HoldRite #ad
Height	4.75 Inches
Length	4.63 Inches
Width	8.13 Inches
Part Number	QS-U
Model	QS-U

6. PAE

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White, PAE Machinery Industrial CO. RO-122 RO Water Storage Tank for RODI System, 3.2 Gallon

#adPAE #ad - Diameter: 9” inches 230 mm nsf approved, food grade, post-cured diaphragm Virgin polypropylene liner Pre-pressurized pressure. Connector: ¼” npt stainless steel height: 14 inches 353 mm diameter: 9” inches 230 mm NSF approved, food grade, post-cured diaphragm Virgin polypropylene liner Pre-pressurized pressure Max. Working pressure: 100 psi. Working pressure: 100 psi. Max. Stainless steel Height: 14 inches 353 mm. Material: Steel Total tank.

Brand	PAE #ad
Manufacturer	PAE #ad
Height	14 Inches
Length	9 Inches
Weight	6 Pounds
Width	9 Inches
Part Number	RO-122
Model	RO-122

7. Zurn

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Zurn XT-8, Thermal Expansion Tank

#adZurn #ad - Diaphragm style tank for residential applications. Steel shell protected with polypropylene liner. Pre-charge is field adjustable. Low-lead law compliant. 1 gal. Water thermal expansion tank - 2.

Brand	Zurn #ad
Manufacturer	Zurn Industries #ad
Height	13 Inches
Length	8.13 Inches
Width	8.13 Inches
Part Number	XT-8
Model	XT-8

8. Amtrol

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Amtrol ST-12 Thermal Expansion Tank

#adAmtrol #ad - Eliminates the waste of energy and water, thus saving money. Prevents a dangerous pressure build-up in the system. Protects the water heater and plumbing fixtures from premauture failure. Prevents the relief valve from going off. Eliminates the waste of energy and water, thus saving money.

Brand	Amtrol #ad
Manufacturer	AMTROL #ad
Height	15 Inches
Length	8 Inches
Weight	2.2 Pounds
Width	11 Inches
Part Number	ST-12
Model	ST-12

9. WECO FILTERS CHANGING THE COURSE OF WATER PURIFICATION

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Total Capacity 3.0 Gal & appx. 1.8 gal Usable Capacity ROT-3-W, Pressurized RO Water Storage Tank

#adWECO FILTERS CHANGING THE COURSE OF WATER PURIFICATION #ad - High grade butyl diaphragm. Triple coated for years of rust free service. Fda grade polypropylene liner. Pre-charged to 7 psi. 304 stainless steel connection. Cold rolled carbon steel shell for durability.

Brand	WECO FILTERS CHANGING THE COURSE OF WATER PURIFICATION #ad
Manufacturer	Water Engineering Corporation #ad
Height	16 Inches
Length	9 Inches
Width	9 Inches
Part Number	ROT-3-W
Model	ROT-3-W

10. Amtrol

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Amtrol T-5 THERM-X-SPAN Expansion Tank

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

Brand	Amtrol #ad
Manufacturer	APR Supply Co. #ad
Height	8.3 Inches
Length	13.5 Inches
Weight	0 Pounds
Width	8.4 Inches
Part Number	AX-120V
Model	T-5