Author: Maurice Savaryego, M.Sc.Eng. (Learn More)
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Compare Instant Hot Water Dispensers: InSinkErator or Waste King?
 (Photo Credits: InSinkErator)
If you wish to have near-boiling hot water at your fingertips for preparing quickly coffee, tea, hot chocolate, baby bottles and hot cereal or clean dirty pots and pans, blanch vegetables, prepare soup, etc., you might want to consider an instant hot water dispenser. No need to wait for the water to boil, no water waste, and no mess.
Instant hot water dispensers save time and add elegance to the kitchen. They're usually made of an insulated udersink hot water tank connected to an elegant faucet installed on your countertop next to your sink. They are also equipped with an easily adjustable thermostat that allows you to select the temperature that suits you best. Here is how it works: Water comes up from your supply line into the hot water tank, where it’s heated. As the water is used, more water replaces it in the tank. With a fast recovery system, depending on the brand used, these systems can deliver anywhere from 50 to 100 cups of near-boiling water per hour. While the instant hot water dispensing faucet sits elegantly on your sink, the hot water tank sits unseen below it. Instant hot water dispensers have become a favorite among homeowners for three main reasons:
Various studies have shown that with an instant hot water dispenser used to provide near-boiling water can save up to 75% of the energy normally required to heat water to near-boiling temperature. This article will compare InSinkErator Involve H-Wave and Waste King (Anaheim) H711-U instant hot water dispensers. These were not just the most popular among Amazon customers at the time this article was written, but they had also received excellent reviews from most Amazon buyers.
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Comparing InSinkErator and Waste King Instant Hot Water Dispensers
The following images show the water tanks and the faucets that come with the instant hot water dispensers:
(Photo Credits: InSinkErator)
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(Photo Credits: Waste King)
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The following table compares the various features that come with the two dispensers (please read the explanations to the table notes that follow for a better understanding of the features):
Table Notes 1 - 6 Explained
Note 1:
InSinkErator H-Wave can dispense up to 60 cups of hot water per hour.
Waste King H711-U can dispense up to 100 cups of hot water per hour.
Note that both the InSinkErator and Waste King faucets have an auto shut-off feature to save water: the lever is spring-loaded, so it snaps back to the off position when you let go of it.
Note 2:
InSinkErator Hwave dispenser's tank insulation meets UL 94HF-1 flammability specification.
Though it may conform to UL 94HF-1, there is no such specification in the product description of Waste King H711-U dispenser.
Note 3:
InSinkErator also makes the F-1000S filtration system designed for use with the InSinkErator hot water dispensers and that can be easily installed. When paired with the InSinkErator water tank, the F-1000S filtration system reduces particulates, chlorine taste and odor to ensure you have great tasting water. You can buy the F-1000S filtration system separately, and it is offered below in the Amazon products section.
Waste King does not make a special undersink filtration system for hooking up to its hot water dispenser's tank, but you can always use the 3M Filtrete water filtration system offered below in the Amazon products section.
Note 4:
These hot water dispensers fit a standard 1 to 1.5-inch hole on the sink or the countertop and require a grounded electrical outlet under the sink. The product manuals of both detail the installation procedures which are quite straightforward. The following pictures show the completed installations of the InSinkErator H-Wave and Waste King H711-U instant hot water dispenser systems:
Note 1:
InSinkErator H-Wave can dispense up to 60 cups of hot water per hour.
Waste King H711-U can dispense up to 100 cups of hot water per hour.
Note that both the InSinkErator and Waste King faucets have an auto shut-off feature to save water: the lever is spring-loaded, so it snaps back to the off position when you let go of it.
Note 2:
InSinkErator Hwave dispenser's tank insulation meets UL 94HF-1 flammability specification.
Though it may conform to UL 94HF-1, there is no such specification in the product description of Waste King H711-U dispenser.
Note 3:
InSinkErator also makes the F-1000S filtration system designed for use with the InSinkErator hot water dispensers and that can be easily installed. When paired with the InSinkErator water tank, the F-1000S filtration system reduces particulates, chlorine taste and odor to ensure you have great tasting water. You can buy the F-1000S filtration system separately, and it is offered below in the Amazon products section.
Waste King does not make a special undersink filtration system for hooking up to its hot water dispenser's tank, but you can always use the 3M Filtrete water filtration system offered below in the Amazon products section.
Note 4:
These hot water dispensers fit a standard 1 to 1.5-inch hole on the sink or the countertop and require a grounded electrical outlet under the sink. The product manuals of both detail the installation procedures which are quite straightforward. The following pictures show the completed installations of the InSinkErator H-Wave and Waste King H711-U instant hot water dispenser systems:
(Photo Credits: InSinkErator)
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(Photo Credits: InSinkErator)
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(Photo Credits: Waste King)
Note 5:
InSinkErator H-Wave faucet is offered in either chrome or satin nickel finish.
Waste King H711-U faucet is offered in satin nickel.
Note 6:
InSinkErator dispenser comes with a 3-year parts and in-home service warranty. This warranty includes free house calls (including parts and labor) for the entire warranty period.
Waste King dispenser comes with a 1-year replacement warranty.
So which of the two instant hot water dispensers is best for you?
The two instant hot water dispensers considered here are excellent products as shown by the average rating each of them had received from Amazon customers at the time this article was written. Indeed, InSinkErator had received 4.5 stars (out of 5 stars) and Waste King has received 4 stars. There is a good chance that you would be quite happy with either of the two instant hot water dispensers.
As you can tell from the above comparison table, InSinkErator H-Wave and Waste King H711-U are quite similar, except for the following differences:
As you can tell from the above comparison table, InSinkErator H-Wave and Waste King H711-U are quite similar, except for the following differences:
- InSinkErator can reach a higher water temperature (219°F vs. 190°F for the Waste King).
- InSinkErator also makes the F-1000S filtration system designed for use with the InSinkErator hot water dispensers.
- InSinkErator's tank insulation meets UL 94HF-1 flammability specification. Though it may conform to UL 94HF-1, there is no such specification in the product description of Waste King H711-U dispenser.
- InSinkErator comes with a better warranty (3 years vs. 1 year for Waste King).
- On the other hand, Waste King dispenser claims to produce more cups of hot water per hour (100 cups/hour vs. 60 cups/hour for the InSinkErator). Though Waste King has a slighly smaller tank, this can be explained buy its more powerful heating system (1300W vs. 750W for the InSinkErator).
Compared Instant Hot Water Dispensers on Amazon
Please click the Amazon US link image below for the product of your choice to see exact price information or to purchase (prices will be shown when you click the Amazon links shown below).
Please Note: For non-US customers, when you click the links below, you will be provided with the Amazon links for your country (such as Canada or UK), if the product is available in your country.
Please Note: For non-US customers, when you click the links below, you will be provided with the Amazon links for your country (such as Canada or UK), if the product is available in your country.
InSinkErator
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InSinkErator
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Waste King (Anaheim)
Hot Water Dispenser
Undersink Water Filtration Systems for the InSinkErator and Waste King Instant Hot Water Dispensers
Note that even though the Waste King does not make a special filtration system, you could consider buying the 3M Filtrete water filtration system shown below for hooking up to its hot water dispenser's tank:
InSinkErator
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3M Filtrete 3US-PS01
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Are you rather looking for a countertop Instant Hot Water Dispenser?
In case you have no place to install the water tank under your sink, you may want to consider countertop instant hot water boiler & warmers. Please click below for a comparison of the three most popular countertop water warmers and boilers:
Note: InSinKErator and Waste King also make Home Garbage Disposal Systems. For a comparison of their best home garbage disposal systems, please click:
A Comparison InSinKErator and Waste King Home Garbage Disposal Systems
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