Top 10 Demand Hot Water Systems
for December 2021

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

1
9.8
SCORE
InSinkErator H-HOT100SN-SS Instant Hot Water Dispenser System with Stainless Steel Tank, 1, Satin Nickel

InSinkErator H-HOT100SN-SS Instant Hot Water Dispenser System with Stainless Steel Tank

1, Satin Nickel

by InSinkErator
What We like

STYLISH DESIGN & EASY TO INSTALL: This stylish system not only pairs well with main kitchen faucets that feature modern or transitional design lines, it is also easy to install with a single hole in your counter top and electricity under your sink.

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Product Features

  • INSTANT HOT WATER DISPENSER: This instant hot water system features a compact, push-button activated side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water.
  • A HISTORY OF INNOVATION FOR THE SINK: We invented garbage disposals in 1927, & we're the worlds largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use.
  • HOT WATER ON DEMAND: Whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. Save time, space & energy in the kitchen.115 volts
  • FASTER, CLEANER, SMARTER: From meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers.

Faster, cleaner, smarter: from meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers. Hot water on demand: whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. save time, space & energy in the kitchen.115 volts A history of innovation for the sink: we invented garbage disposals in 1927, & we're the worlds largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use. Instant hot water dispenser: this instant hot water system features a compact, push-button activated side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water.

2
9.6
SCORE
Watts Premier Instant Hot Water Recirculating Pump System with Built-In Timer

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

by Watts
What We like

Easily installs to existing plumbing and is maintenance-free

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Product Features

  • Provides hot water at every faucet or shower when needed and helps eliminate wasted water
  • Kit includes a pump with timer with 10' cord, 2 adapters with rubber washers, valve mounting screws, sensor valve, and two 12-inch supply lines
  • Voltage: 120 volts, Item Weight: 8.5 pounds. Overall Dimension: 6.2 x 6 x 5 inches
  • 24-hour programmable timer activates pump when you need it

24-hour programmable timer activates pump when you need it Kit includes a pump with timer with 10' cord, 2 adapters with rubber washers, valve mounting screws, sensor valve, and two 12-inch supply lines Provides hot water at every faucet or shower when needed and helps eliminate wasted water Voltage: 120 volts, item weight: 8.5 pounds. overall dimension: 6.2 x 6 x 5 inches

3
9.3
SCORE
Tankless Water Heater Electric 240V, On Demand Hot Water Heater Digital Display 5.5kW,Electric Instant Hot Water Heater,Overheating Protection, Black

ECOTOUCH Tankless Water Heater Electric 240V

On Demand Hot Water Heater Digital Display 5.5kW, Electric Instant Hot Water Heater, Overheating Protection, Black

by ECOTOUCH
What We like

SAFE and DURABLEApplied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.

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Product Features

  • SMART SELF ADJUSTMENTThe hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • CONVENIENT USEThe tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you neednt go through hard lesson about temp setting by a mixer tap without any hint. This Black model does not comes with Remote control, useful for installation under sink.
  • INSTANT & SUFFICIENT HOT WATERApplied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
  • POINT of USEThe sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: [email protected]; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.

Instant & sufficient hot waterapplied with 5.5kw heating system, the electric water heater supplies instant, consistent and endless hot water of 116or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. time to get rid of those "lukewarm" toys. Smart self adjustmentthe hot water heater adjusts power input based on flow rate and temp setting in real time. for example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. optimal energy efficiency of 98% saves considerable electric charge. Point of usethe sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. it can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. please verify it is the right size for you: [email protected]; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" npt. Convenient usethe tankless water heater comes with digital display & touch control panel so temp setting is easy job. now turn on the tap and let the smart unit do the rest, you neednt go through hard lesson about temp setting by a mixer tap without any hint. this black model does not comes with remote control, useful for installation under sink.

4
9.3
SCORE
InSinkErator H-Wave-SN Involve Wave Instant Hot Water Dispenser System with Stainless Steel Tank, Satin Nickel

InSinkErator H-Wave-SN Involve Wave Instant Hot Water Dispenser System with Stainless Steel Tank

Satin Nickel

by InSinkErator
What We like

STYLISH DESIGN & EASY TO INSTALL: This stylish system not only pairs well with main kitchen faucets that feature transitional design lines, it is also easy to install with a single hole in your counter top and electricity under your sink.

more infoarrow_drop_down

Product Features

  • FASTER, CLEANER, SMARTER: From meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers.
  • INSTANT HOT WATER DISPENSER: This instant hot water system features a compact, lever activated side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water.
  • A HISTORY OF INNOVATION FOR THE SINK: We invented garbage disposals in 1927, & we're the worlds largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use.
  • HOT WATER ON DEMAND: Whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. Save time, space & energy in the kitchen.

Hot water on demand: whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. save time, space & energy in the kitchen. Faster, cleaner, smarter: from meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers. Instant hot water dispenser: this instant hot water system features a compact, lever activated side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water. A history of innovation for the sink: we invented garbage disposals in 1927, & we're the worlds largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use.

5
8.9
SCORE
InSinkErator Contour Instant Hot Water Dispenser System - Faucet & Tank, Chrome, H-CONTOUR-SS

InSinkErator Contour Instant Hot Water Dispenser System

Faucet & Tank, Chrome, H-CONTOUR-SS

by InSinkErator
What We like

ORIGINAL DESIGN & EASY TO INSTALL: Our original dispenser style not only features a twist top handle for effortless use, it is easy to install with a single hole in your counter top and electricity under your sink.

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Product Features

  • A HISTORY OF INNOVATION FOR THE SINK: We invented garbage disposals in 1927, & we're the worlds largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use.
  • FASTER, CLEANER, SMARTER: From meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers.
  • HOT WATER ON DEMAND: Whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. Save time, space & energy in the kitchen.
  • INSTANT HOT WATER DISPENSER: This instant hot water system features a chrome side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water.

A history of innovation for the sink: we invented garbage disposals in 1927, & we're the worlds largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use. Instant hot water dispenser: this instant hot water system features a chrome side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water. Faster, cleaner, smarter: from meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers. Hot water on demand: whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. save time, space & energy in the kitchen.

6
8.7
SCORE
InSinkErator View Instant Hot Water Dispenser System - Faucet & Tank, Satin Nickel, H-View-SN

InSinkErator View Instant Hot Water Dispenser System

Faucet & Tank, Satin Nickel, H-View-SN

by InSinkErator
What We like

STYLISH DESIGN & EASY TO INSTALL: This stylish system not only pairs well with main kitchen faucets that feature traditional design lines, it is also easy to install with a single hole in your counter top and electricity under your sink.

more infoarrow_drop_down

Product Features

  • FASTER, CLEANER, SMARTER: From meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers.
  • HOT WATER ON DEMAND: Whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. Save time, space & energy in the kitchen.
  • A HISTORY OF INNOVATION FOR THE SINK: We invented garbage disposals in 1927, & we're the worlds largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use.
  • INSTANT HOT WATER DISPENSER: This instant hot water system features a compact, lever activated side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water.

A history of innovation for the sink: we invented garbage disposals in 1927, & we're the worlds largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use. Faster, cleaner, smarter: from meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers. Instant hot water dispenser: this instant hot water system features a compact, lever activated side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water. Hot water on demand: whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. save time, space & energy in the kitchen.

7
7.5
SCORE
KOLERFLO 3/4

KOLERFLO 3/4" NPT Hot Water Circulation Pump Stainless Steel Recirculating Water Pump for Portable Water System(RS15-6 SS Green)

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

  • 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.
  • 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.
  • 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.

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. 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. 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. 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.

8
7.4
SCORE
Grundfos 99452459 (old part number 595916) UP15-10SU7P/LC Instant Hot Water Comfort Recirculation System 9H with NEW Digital Timer

Variety Home Supply Grundfos 99452459 (old part number 595916) UP15-10SU7P/LC Instant Hot Water Comfort Recirculation System 9H with NEW Digital Timer

by Grundfos
What We like

Battery back up to maintain settings if power is lost

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Product Features

  • Can save up to 12,000 gallons of year in a typical household
  • Includes timer, 10ft line cord, thermal bypass valve and hose kit
  • Installs in less than two hours
  • Retrofit solution- no return line required. Compatible with all Grundfos line cord products

Includes timer, 10ft line cord, thermal bypass valve and hose kit Retrofit solution- no return line required. compatible with all Grundfos line cord products Installs in less than two hours Can save up to 12,000 gallons of year in a typical household

9
7.4
SCORE
APEC Water Systems FAUCET-HC-WST-CM Instant Hot and Cold Reverse Osmosis Drinking Water Dispenser Faucet Chrome

APEC Water Systems FAUCET-HC-WST-CM Instant Hot and Cold Reverse Osmosis Drinking Water Dispenser Faucet Chrome

by APEC Water Systems
What We like

Premium dual temperature designer faucet

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Product Features

  • Featuring a 360 swivel spout for ease of use
  • Lead-free water dispensing faucet for use with apec's instant hot and reverse osmosis systems
  • Input and turn ceramic disc valve

Lead-free water dispensing faucet for use with apec's instant hot and reverse osmosis systems Input and turn ceramic disc valve Featuring a 360 swivel spout for ease of use

10
7.4
SCORE
Coleman Hot Water on Demand H2Oasis Portable Water Heater

Coleman Hot Water on Demand H2Oasis Portable Water Heater

by The Coleman Company, Inc.
What We like

Portable camping water heater provides easy access to hot water

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Product Features

  • High power submersible electric pump provides reliable, strong water flow
  • Dispenses hot water up to 125 degrees Fahrenheit in as little as 30 seconds
  • Shower head with 6 foot, non kinking silicone hose facilitates outdoor showering
  • Includes convenient mesh storage bag and 5 gallon collapsible water carrier

High power submersible electric pump provides reliable, strong water flow Dispenses hot water up to 125 degrees fahrenheit in as little as 30 seconds Shower head with 6 foot, non kinking silicone hose facilitates outdoor showering Includes convenient mesh storage bag and 5 gallon collapsible water carrier

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