Top 10 Boosters for Water Heater
for December 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.9
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Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5)

Eliminate Time for Hot Water, Shelf, Wall or Floor Mounted

by BOSCH THERMOTECHNOLOGY
What We like

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

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Product Features

  • 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)
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (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
  • 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. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches

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. thermal efficiency is 98%. dimensions : 13.75 w x 13.75 h x 10.75 d inches Long lasting quality: this electric water heater is easy to maintain and has premium glass-lined material for a long service life. (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 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)

2
9.8
SCORE
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8)

Eliminate Time for Hot Water, Shelf, Wall or Floor Mounted

by Standard Plumbing Supply
What We like

EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included for vertical orientation only); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

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Product Features

  • CONVENIENT HOT WATER HEATER: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 17.5 W x 17.5 H x 14.5 D Inches
  • IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
  • RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
  • INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (7 gal. of water supply) or horizontally (5.1 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit

Important information: heating capacity of 1440 watts and a temperature range of 65-145f max. operating pressure-150 psi. water fittings-3/4 inch male npt. electrical requirements (amp 12a/volts 120) Convenient hot water heater: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. thermal efficiency is 98%. dimensions : 17.5 w x 17.5 h x 14.5 d inches Installed vertically or horizontally: this larger model can be mounted vertically (7 gal. of water supply) or horizontally (5.1 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit Reliable water source: easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs

3
9.4
SCORE
KOLERFLO 115V Water Recirculating Pump 3/4 Inch Circulating Water Pump for Water Heater System(RS15-6 Blue)

KOLERFLO 115V Water Recirculating Pump 3/4 Inch Circulating Water Pump for Water Heater System(RS15-6 Blue)

by KOLERFLO
What We like

The circulation water pump features high efficiency with low consumption. High temperature resistance, anti-fraying, high flow and leak-tightness. Super silent, environmental friendly,saving energy, running power, reducing the waste of cold water and waiting time, suitable for water scarce areas, such as desert areas.

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Product Features

  • Rated power: 93/67/46 W. NPT 3/4 inch (19.05 mm) inlet/outlet. Voltage/Frequency: 110-120V, 60Hz. Max pressure: 145 psi (10 bar),the circulation pump with three-speed control. Flow: 36/29/20 LPM (9.5/7.66/5.28 GPM). Max head: 6/4.9/4 m (20/16/13 ft);Pump housing: Aluminum. Impeller: Corrosion-resistant, composite, PES. Shaft: 45 # steel. Bearing: Carbon axia.
  • Easy installation, only need a wrench to connect the pump to the pipeline, saving you the cost of plumbers; Instant hot water, waiting for 2-3 minutes in the past, now it takes only 15 seconds to get hot water.
  • Prevent pipes from freezing in winter, especially for cold winter areas. In addition, if your pipes pass through the floor, the floor will also become warm.
  • KOLERFLO circulation water pump RS15-6 Used in Suitable for city buildings, suburban villas, houses, water and pressurized with industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm and so on.

Rated power: 93/67/46 w. npt 3/4 inch (19.05 mm) inlet/outlet. voltage/frequency: 110-120v, 60hz. max pressure: 145 psi (10 bar),the circulation pump with three-speed control. flow: 36/29/20 lpm (9.5/7.66/5.28 gpm). max head: 6/4.9/4 m (20/16/13 ft);pump housing: aluminum. impeller: corrosion-resistant, composite, pes. shaft: 45 # steel. bearing: carbon axia. Easy installation, only need a wrench to connect the pump to the pipeline, saving you the cost of plumbers; instant hot water, waiting for 2-3 minutes in the past, now it takes only 15 seconds to get hot water. Prevent pipes from freezing in winter, especially for cold winter areas. in addition, if your pipes pass through the floor, the floor will also become warm. KOLERFLO circulation water pump rs15-6 used in suitable for city buildings, suburban villas, houses, water and pressurized with industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm and so on.

4
9.3
SCORE
Apollo Valves 69 Tankmax Water Heater Tank Booster

Apollo Valves 69 Tankmax Water Heater Tank Booster

by Conbraco
What We like

Protects your family from scalding by allowing water to be 140 degrees (F) in the water heater while distributing 120 degree (F) water to Fixtures

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Product Features

  • ASSE 1017, NSF 61 & 372, IAMPO listed
  • Easy to install; Lead free; extend the life of the hot water in your water heater
  • Tools needed for installation: wrench, pipe thread sealing tape
  • Saves time and money - no solder or glue needed
  • 3/4" MNPT mixing outlet x 3/4" FNPT union fitting x 3/4" NPSH cold inlet

Saves time and money - no solder or glue needed 3/4" mnpt mixing outlet x 3/4" fnpt union fitting x 3/4" npsh cold inlet Tools needed for installation: wrench, pipe thread sealing tape Asse 1017, nsf 61 & 372, iampo listed Easy to install; lead free; extend the life of the hot water in your water heater

5
8.9
SCORE
240V 5.5KW 4.5KW Instant Electric Hot Tankless Water Heater 3 Power Levels for Bathroom Kitchen RV Camping

Dltsli 240V 5.5KW 4.5KW Instant Electric Hot Tankless Water Heater 3 Power Levels for Bathroom Kitchen RV Camping

by DLT
What We like

Important: This is good for shower, but don't provide multi-way hot water supply in the same time with this instant electric water heater..

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Product Features

  • Power setting and constant temperature function with the mini size water heater, 3 power levels(5.5KW 4.5KW 3.5KW), 10 power settings per level
  • Super low water pressure start-up, and microcomputer memory, anti-dry functionality, water leakage and earth leakage prevention.
  • Digital LCD temperature dispaly with touch control in 1-degree increments allows control of hot water
  • Request Breaker: 30A and Standard Pipe Section G1/2" water connection (Very important: You must run this heater on 240V Voltage)

Digital lcd temperature dispaly with touch control in 1-degree increments allows control of hot water Request breaker: 30a and standard pipe section g1/2" water connection (very important: you must run this heater on 240v voltage) Super low water pressure start-up, and microcomputer memory, anti-dry functionality, water leakage and earth leakage prevention. Power setting and constant temperature function with the mini size water heater, 3 power levels(5.5kw 4.5kw 3.5kw), 10 power settings per level

6
8.9
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POWERENG 110V Automatic Booster Pump 120W NPT 3/4

POWERENG 110V Automatic Booster Pump 120W NPT 3/4" Domestic Hot Water Recirculating Pump Solar Heater Circulation System Shower&Tap (RS15/9 BLUE)

by POWERENG
What We like

4.120W Powerful motor, the Most powerful Type of this boost pump. It Can be used with water heater or hot water pressurization system, but not for potable water system.

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Product Features

  • 2.No leakage,low noise,environmental protection,aesthetics,ease of installation and so on.
  • 1.Rated Power: 120W; Max flow: 30L/min; Rated Head: 25.9FT; Liquid Temperature range -10-+110; Voltage: 110V/120V, Frequency: 60Hz; Inlet/Outlet: 3/4 inch;Power Cord: 4.1ft.
  • 3.Liquid temperature range -0 - 212 ; Maximum working pressure 10bar.
  • 5.High temperature resistance, anti-fraying ,high efficiency, high flow.

1.rated power: 120w; max flow: 30l/min; rated head: 25.9ft; liquid temperature range -10-+110; voltage: 110v/120v, frequency: 60hz; inlet/outlet: 3/4 inch;power cord: 4.1ft. 5.high temperature resistance, anti-fraying ,high efficiency, high flow. 3.liquid temperature range -0 - 212 ; maximum working pressure 10bar. 2.no leakage,low noise,environmental protection,aesthetics,ease of installation and so on.

7
7.9
SCORE
Rheem RTEX-AB Water Heater Booster

Rheem RTEX-AB Water Heater Booster

by RHEEM
What We like

Item Dimensions: 6.75"L x 10.3"W x 14.0"H

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Product Features

  • Country of Origin: United States
  • Brand name: Rheem
  • Item Weight: 8.5 lb

Country of origin: united states Item weight: 8.5 lb Brand name: RHEEM

8
7.8
SCORE
Hatco 208/3 Phase C-15 Compact Booster Water Heater 15 kW

Hatco 208/3 Phase C-15 Compact Booster Water Heater 15 kW

by Hatco
What We like

C-15 208/3

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Product Features

  • Compact Booster Heater - 15 KW - 208 Volt/3 Phase
  • Hatco
  • Hatco - C-15 208/3 - Compact Booster Heater - 15 KW - 208 Volt/3 Phase

Hatco Hatco - c-15 208/3 - compact booster heater - 15 kw - 208 volt/3 phase Compact booster heater - 15 kw - 208 volt/3 phase

9
7.8
SCORE
Cash Acme 24644 Water Heater Tank Booster

Cash Acme 24644 Water Heater Tank Booster

by Cash Acme
What We like

COST EFFECTIVE: Adding a Tank Booster Pro Thermostatic Mixing Valve to an existing water heater allows water to be stored at a higher temperature

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Product Features

  • PROTECTION: Controls hot water to prevent injury from scalding when showering, bathing or washing by ensuring water is delivered at a safe temperature to all fixtures
  • SAFETY: Reduces the risk of Legionella bacteria growth by enabling hot water to be stored at a germ killing 140 degrees Fahrenheit (60 degrees C), while ensuring that water is delivered at a safe temperature to outlets
  • SHARKBITE: Use with SharkBite Flexible Water Heater Connectors and Ball Valves for easy installation in systems using copper, CPVC or PEX tubing
  • COMFORT: Thermostatic mixing valve increases usable hot water on existing water heaters and new NAECA compliant water heaters

Comfort: thermostatic mixing valve increases usable hot water on existing water heaters and new naeca compliant water heaters Safety: reduces the risk of legionella bacteria growth by enabling hot water to be stored at a germ killing 140 degrees fahrenheit (60 degrees c), while ensuring that water is delivered at a safe temperature to outlets Sharkbite: use with sharkbite flexible water heater connectors and ball valves for easy installation in systems using copper, cpvc or pex tubing Protection: controls hot water to prevent injury from scalding when showering, bathing or washing by ensuring water is delivered at a safe temperature to all fixtures

10
7.8
SCORE
Eemax HATB007240 Tank Water Heater Booster 7.2 kW 240V

Eemax HATB007240 Tank Water Heater Booster 7.2 kW 240V

by EEMax
What We like

Easy installation on new or existing tank water heater, field replaceable element

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Product Features

  • ETL certified for USA and Canada
  • Increase deliverable hot water up to 45%
  • Compact design with zero clearance requirements, digital user interface,
  • Temperature accuracy +/- 1 degree F, external controls for adjustable settings

Compact design with zero clearance requirements, digital user interface, Temperature accuracy +/- 1 degree f, external controls for adjustable settings Increase deliverable hot water up to 45% Etl certified for usa and canada

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