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featured image - Hot Water Dispensers
You're here: Home Kitchen Upgrade Your Kitchen With Under Sink Hot Water Dispensers

Upgrade Your Kitchen With Under Sink Hot Water Dispensers

  • Perla Irish
  • September 24, 2023
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Table of Contents Show
  1. The Benefits of Under-Sink Hot Water Dispensers
  2. Types of Under-Sink Hot Water Systems
  3. Top Models of Under-Sink Hot Water Dispensers
    1. 1. InSinkErator HWT-F1000S
    2. 2. Chronomite SR-20L
    3. 3. Ready Hot RH-200-F560-CH
  4. Installation Process for Under-Sink Hot Water Dispensers
  5. Maintenance and Safety Tips
  6. Frequently Asked Questions
    1. What is the difference between a tank and a tankless under-sink hot water dispenser?
    2. How do I choose the best under-sink hot water dispenser for my kitchen?
    3. Can I install an under-sink hot water dispenser myself or do I need a professional?
  7. Conclusion

Did you know that instant hot water dispensers can save up to 600 gallons of water a month that would otherwise go down the drain while waiting for the water to heat up? With this incredible water-saving capability, under-sink hot water dispensers are an efficient upgrade for any kitchen.

Read on to learn about the benefits of these handy devices, top models, installation considerations, and maintenance tips.

The Benefits of Under-Sink Hot Water Dispensers

Under-sink hot water dispensers provide instant access to steaming hot water right from your tap. Here are some of the key benefits:

  • Convenience – Hot water is available on demand, so no more waiting around for the tap to heat up. This makes tasks like preparing tea, instant meals, and washing dishes much faster.
  • Efficiency – By providing instant hot water, these dispensers can save over 500 gallons of water per month that would otherwise be wasted waiting for heat up.
  • Compact size – Under-sink units conveniently stay out of sight but are easily accessible. Countertop space is saved.
  • Energy savings – Tankless heat-on-demand models effectively use energy when dispensing water, unlike tanks which must maintain a constant temperature. This results in lower energy bills.
  • Precise temperatures – Many top-rated hot water dispensers and under-sink hot water dispensers allow you to adjust water to the perfect temperature for different uses like sanitizing dishes.

Types of Under-Sink Hot Water Systems

Undersink hot water dispensers come in two main types:

Tank Water Heaters: These contain a reservoir of pre-heated water ready for dispensing. They are capable of quick high-volume water flow. However, maintaining the tank temperature constantly uses energy even when not in use. Tank sizes range from 1.5 liters to 6 liters.

  • Smaller 1-2 liter tanks heat water faster but have less capacity between heating cycles. Larger 4-6 liter tanks provide more continuous flow but take longer to reheat.
  • Tanks are insulated to minimize standby heat loss.
  • Heating elements range from 600-1500 watts. Higher wattages reheat water faster.

Tankless Water Heaters: These instantly heat water on demand via burners or heating functions. They save energy by not maintaining standby temperature but may have limited flow rates. Flow is determined by heating element strength.

  • Flow rate ranges from 0.5 gpm for small units to over 1 gpm for larger models designed for whole-house use.
  • Tankless models use high-power burners from 6-12 kW for rapid heating. Electric models use up to 4 heating elements.
  • Many tankless heaters have an activation flow rate, so water flow must be high enough to trigger heating.

Other considerations include dispenser style (separate tap or integrated with the main faucet). An under-sink water filter can provide filtered hot water.

Top Models of Under-Sink Hot Water Dispensers

With many options on the market, here are three of the best under-sink hot water dispensers:


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  • Kitchen Sink Part and Accessories, Soap Dispensers, Faucets, Strainers, and Grids
  • Keep Your Drain Pipe Clean with a Good Kitchen Sink Strainer
  • The Pros and Cons of Stainless Steel Kitchen Sinks

1. InSinkErator HWT-F1000S

  • Style: Separate instant hot water tap
  • Type: Tankless, flow rate 1 GPM
  • Key Features: High efficiency up to 97%, precise temperature control, fast heating

2. Chronomite SR-20L

  • Style: Tank reservoir dispenser
  • Type: 2-liter capacity
  • Key Features: Energy efficient, compact 2-liter size, dispenses 50 cups before reheat

3. Ready Hot RH-200-F560-CH

  • Style: Separate instant hot water tap
  • Type: Tank, 5 liter capacity
  • Key Features: High capacity 5-liter tank, insulated tank design, 190°F max temp

The top models combine fast heat-up, energy efficiency, and high capacity for endless hot water. Tankless units like the InSinkErator excel at energy savings while tank models like the Ready Hot provide abundant continuous flow.

Installation Process for Under-Sink Hot Water Dispensers

Installing an under-sink hot water dispenser is a relatively straightforward plumbing job:

  • The unit mounts easily under the sink with basic tools and hardware included.
  • It connects to the main cold water supply line and power supply like an electric outlet or direct wiring.
  • A separate tap is mounted on the sink or countertop for instant hot water. Some systems integrate hot water through the main faucet.
  • If connecting to hot and cold lines for temperature adjustment, make sure to get the handles aligned correctly.

Overall, expect 1-3 hours for installation. Hiring a professional typically costs $200-$500 depending on site complexity. Make sure to get any necessary permits.

Maintenance and Safety Tips

Under-sink hot water dispensers require minimal maintenance but observing some best practices will keep them operating safely and efficiently:

  • Flush tank models every 6 months by dispensing until water flows cold to remove sediment buildup.
  • Check/replace filters on models with filtration based on manufacturer specs to maintain water quality and flow.
  • Clean the dispenser surface with a soft, damp cloth to prevent dirt, grime, and mineral buildup. Avoid abrasive cleaners.
  • Inspect for leaks around fittings and address any drips right away before major issues occur.
  • Use water softening if you have hard water issues to reduce scale buildup in pipes and components.
  • Keep flammables away from the under-sink area to prevent fire.
  • Take safety precautions like setting the dispenser at the lowest suitable temperature and teaching children proper dispenser use to avoid burns.

Following manufacturer maintenance guidelines and taking safety considerations into account will maximize the performance, safety, and longevity of your under-sink hot water dispenser.

Frequently Asked Questions

What is the difference between a tank and a tankless under-sink hot water dispenser?

Tank models keep a reservoir of pre-heated water ready for instant dispensing. Tankless units heat water on demand so don’t use standby energy, but may have lower flow rates.

How do I choose the best under-sink hot water dispenser for my kitchen?

Consider convenience features like separate tap vs. main faucet integration, tank capacity vs. tankless flow rate, filtration, and precise temperature controls for the best model for your needs.

Can I install an under-sink hot water dispenser myself or do I need a professional?

While the process is relatively straightforward, hiring a qualified plumber is recommended to ensure proper installation and permits. DIY is an option for those experienced in plumbing.

Conclusion

With the ability to deliver piping hot water instantly while conserving water and energy, under-sink hot water dispensers are an excellent addition to any kitchen. Choose between convenient tank models or energy-saving tankless units with the right features and capacity to suit your needs.

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Perla Irish

Perla Irish, who is more familiarly known as Irish, is the Content Manager at Dreamlandsdesign.com. She loves following trends around home and garden, interior design, and digital marketing. Through this blog, Irish wants to share information and help readers solve the problems they are experiencing.

Related Topics
  • flow
  • heating
  • kitchen
  • models
  • sink
  • tank
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