Top 10 3 Gallon Water Heater Expansion Tank – Replacement Under-Sink Water Filters

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1. 3M-Aqua Pure

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3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers

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3M-Aqua Pure #ad - Nsf standard 42 certified: tested by nsF International to NSF/ANSI Std; 42 for material and structural requirements only. Helps protect hot water heaters: polyphosphates, help to inhibit scale build up in hot water heaters both standard gas or electric and tank less styles and boilers; Helps extend the life of hot water heaters and hot water using appliances, pipes, included in this product, and downstream plumbing fixtures such as faucets and shower heads.

High flow rates: 3/4 inch npt inlet/outlet connections for easy installation and high flow rates rated for up to 10 GPM; System to be installed on cold water line feeding the water heater. Product specifications: system has a pressure range of 25 to 125 PSI 862 kPa and operating temperature of 40 to 100F 4.

4 to 37. 8c. Maintains efficiency: By inhibiting scale build up on heating elements, helps maintain water heater efficiency. Ideal for any size home. Corrosion resistance: 304 stainless steel head can be installed on existing copper pipes in the home; It consists of a corrosion resistant material that provides long service life. Easy to replace: easy change out of the 3M Aqua-Pure AP431 replacement water cartridge makes system maintenance easier.
Brand3M-Aqua Pure #ad
Manufacturer3M #ad
Height10.2 Inches
Length2.8 Inches
Weight1.9 Pounds
Width2.8 Inches
Part NumberAP430SS
Model70020003060

2. Bosch Thermotechnology

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Shelf, Wall or Floor Mounted, Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon ES2.5, Eliminate Time for Hot Water

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Bosch Thermotechnology #ad - Convenient hot water heater: 2. 5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Long lasting quality: this electric water heater is easy to maintain and has premium glass-lined material for a long service life.

Thermal efficiency is 98%. Fast recovery rate: eliminates long waits for hot water at your sink, get on demand hot water at your every need supplies up to 2 sinks at a time. Easily mounted: can be shelf, wall or floor mounted bracket included; simply tap into the cold water line and install the water heater directly at the sink to provide hot water. Amps 12a, volts VAC 120 Independent installation: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source. Dimensions : 13. 75 w x 13. 75 h x 1075 d inches.
BrandBosch Thermotechnology #ad
ManufacturerBOSCH THERMOTECHNOLOGY #ad
Height13.75 Inches
Length13.75 Inches
Weight15.5 Pounds
Width10.75 Inches
Part Number7738004996
Model7738004996
Warranty6 year warranty on unit, 2 year warranty on parts

3. APEC Water Systems

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

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APEC Water Systems #ad - 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. Pre-pressurized 4 gallon water storage tank holds up to 3. 2 gallon of water. Food grade bladder and certified to ensure quality, safety and durability.
BrandAPEC Water Systems #ad
ManufacturerAPEC Water Systems #ad
Height14.5 Inches
Length11 Inches
Weight1.98 Pounds
Width11 Inches
Part NumberTANK-4
ModelTANK-4

4. 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

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tankRo #ad - 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. Stores up to 2.

2 gallons of water for on-demand filtered drinking water. 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. 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. 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.
BrandtankRo #ad
ManufacturertankRo #ad
Height14 Inches
Length9 Inches
Weight6 Pounds
Width9 Inches
Part NumberGTS3
ModelGTS3

5. Watts Premier

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Watts Premier Instant Hot Water Recirculating Pump System with Built-In Timer 6" X 6"

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Watts Premier #ad - Voltage: 120 volts, item weight: 8. 5 pounds. Easily installs to existing plumbing and is maintenance-free. Provides hot water at every faucet or shower when needed and helps eliminate wasted water. Kit includes a pump with timer with 10' cord, sensor valve, 2 adapters with rubber washers, valve mounting screws, and two 12-inch supply lines.24-hour programmable timer activates pump when you need it. Overall Dimension: 6. 2 x 6 x 5 inches.
BrandWatts Premier #ad
ManufacturerWatts #ad
Height8.3 Inches
Length7.6 Inches
Weight6.4 Pounds
Width7.6 Inches
Part Number0955800
ModelInstant
WarrantyWatts (the "Company") warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment. In the event of such defects within the warranty period, the Company will, at its option, replace or recondition the product without charge

6. Bosch Thermotechnology

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Eliminate Time for Hot Water, Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon ES4, Shelf, Wall or Floor Mounted

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Bosch Thermotechnology #ad - Independent installation: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source. Fast recovery rate: eliminates long waits for hot water at your sink, get on demand hot water at your every need supplies up to 2 sinks at a time.

Dimensions : 13. 75 w x 13. 75 h x 13. 5 d inches. Thermal efficiency is 98%. Amps 12a, volts VAC 120 Convenient hot water heater: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Long lasting quality: this electric water heater is easy to maintain and has premium glass-lined material for a long service life. Easily mounted: can be shelf, wall or floor mounted bracket included; simply tap into the cold water line and install the water heater directly at the sink to provide hot water.
BrandBosch Thermotechnology #ad
ManufacturerBOSCH THERMOTECHNOLOGY #ad
Height13.75 Inches
Length13.75 Inches
Weight17.3 Pounds
Width13.5 Inches
Part Number7738004997
ModelES4 Tronic 3000 T
Warranty6 year warranty on unit, 2 year warranty on parts

7. Holdrite

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Stainless Steel, Holdrite QS-U Expansion Bracket

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

8. Watts Water Technologies

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

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

9. BURCAM

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BURCAM 600541B 2.1 Gal Inline Pressure Tank, Blue

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BURCAM #ad - Connection 1'' npt through-tank connection, easy hook up with tee. Tough, epoxy-baked finish. Made from butyl rubber to increase reliability and life span. No waterlogging, eliminates the need for air volume control. Designed for water systems equipped with a jet pump. No water to metal contact, rust free operation. Pressure tested to 100 psi. Factory pre-charged at 28 psi. No water-tank contact, eliminates seeping. Maximum operation pressure 75 psi. Replaceable bladder.
BrandBURCAM #ad
ManufacturerBURCAM PUMPS INC. #ad
Height15 Inches
Length8 Inches
Weight5 Pounds
Width8 Inches
Part Number600541B
Model600541B
Warranty2 year warranty

10. Amtrol

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AMTROL ST-5 Thermal Expansion Tank

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Amtrol #ad - Protects water heater, appliances and fixtures. 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. Accepts expanded water caused by thermal expansion. Inline thermal expansion tank. Returns water to the system when hot water is used.
BrandAmtrol #ad
ManufacturerAMTROL #ad
Height13 Inches
Length8 Inches
Weight4.6 Pounds
Width8 Inches
Part NumberST-5
ModelST-5