0052575600208

Ariston

Model # GL4.0

Internet # 100011293

Store SKU # 479071

Store SO SKU # 1000284685

4.0 gal. 6-Year 1500-Watt 120-Volt Point-of-Use Mini Electric Water Heater

  • Easy under-sink installation puts water right where you need it
  • Lightweight, compact design is easy to handle and install
  • Same-day installation in most areas. Call 1-855-400-2552 by noon.

Frequently Bought Together

Product Overview

The Ariston/Bosch 4 Gal. Electric Water Heater has a 4 Gal. mini tank that fits under your sink to provide hot water right where you need it. The heater plugs right into a 120-Volt outlet and has a lightweight, compact design that's easy to handle and install. A glass-lined tank offers great insulation, while the heater's fast recovery rate eliminates long waits for hot water. A temperature-and-pressure relief valve enhances your safety.

  • 4 Gal. mini tank fits under your sink to provide hot water right where you need it
  • Electric water heater is easy to maintain
  • Fast recovery rate eliminates long waits for hot water
  • 1 year warranty on the parts for your convenience
  • 98% thermal efficiency
  • Glass-lined tank offers great insulation
  • Plugs into a 120-Volt outlet
  • Installs independently or in-line with a large hot water source
  • Can be mounted on a wall

Info & Guides

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Specifications

Dimensions

Product Depth (in.) 
13.5 in 
Product Height (in.) 
13.75 in 
Product Width (in.) 
13.75 in 
Tank Valve Size (in.) 
0.0 
Water Connection Size (in.) 
1/2" 

Details

Application Type 
Point of Use 
Finish Family 
White 
Fuel Type 
Electric 
Indoor/Outdoor 
Indoor 
Maximum Temperature (F) 
145 
Minimum Temperature (F) 
65 
Product Weight (lb.) 
17 lb 
Returnable 
90-Day 
Tank Capacity (gallons) 
3.85 
Water Connection Location 
Top 
Water Heater Features 
Overheat Protection,Temperature Pressure Relief Valve 
Water Heater Profile 
Compact 
Wattage (watts) 
1500 

Warranty / Certifications

Certifications and Listings 
1-UL Listed,CSA Listed 
ENERGY STAR Certified 
No 
Labor Warranty 
No Warranty 
Part Warranty 
2 Year 

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Customer Questions & Answers

11 Questions12 Answers

Customer Questions & Answers

4.0 gal. 6-Year 1500-Watt 120-Volt Point-of-Use Mini Electric Water Heater
4.0 gal. 6-Year 1500-Watt 120-Volt Point-of-Use Mini Electric Water Heater

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2 answers

What is the amperage of this unit?

This question is from 4.0 gal. 6-Year 1500-Watt 120-Volt Point-of-Use Mini Electric Water Heater
Asked by
Colorado
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November 5, 2015
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Answers (2)

Asked by
Oregon, USA
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November 9, 2015
Answer: 
If you divide the wattage (1500) by the volts (120) you get the amperage (12.5). So you would probably want to provide a 15 Amp supply and breaker.
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November 7, 2015
Answer: 
12.5 amps
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1 answer

Whats the cost

This question is from 4.0 gal. 6-Year 1500-Watt 120-Volt Point-of-Use Mini Electric Water Heater
Asked by
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July 10, 2016
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Answer (1)

Asked by
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July 11, 2016
Answer: 
As the manufacturer, I cannot quote a cost. However, your question has brought to attention an error regarding availability at THD.com. I will bring this to their attention and have it corrected ASAP.
Thank you.
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1 answer

How much electricity used just to maintain water temperature, if no water drawn ?

This question is from 4.0 gal. 6-Year 1500-Watt 120-Volt Point-of-Use Mini Electric Water Heater
Asked by
Austin
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June 9, 2016
If I had this sitting at a sink that did not get used for a month, any idea how much current is used to maintain water temperature ?
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Answer (1)

Asked by
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June 10, 2016
Answer: 
A lot of assumptions would need to be made but to arrive at a general conceptual amount here is my take:
• There is 1 degree per hour of heat loss.
• I assuming a 10 degree drop, and no overshoot, so based upon this assumption the tank would need to recover once every 10 hours or 2.4 cycles every day or 72 cycles in a month with no draw on the tank.
• Electrical draw per cycle. The tank has a 1440
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A lot of assumptions would need to be made but to arrive at a general conceptual amount here is my take:
• There is 1 degree per hour of heat loss.
• I assuming a 10 degree drop, and no overshoot, so based upon this assumption the tank would need to recover once every 10 hours or 2.4 cycles every day or 72 cycles in a month with no draw on the tank.
• Electrical draw per cycle. The tank has a 1440 watt/hr element which means it consumes 24 watts/minute.
• The ES 4 contains 3.8 gallons x 8.33 lbs/gal x 10 degrees = 316.54 btu to recover 10 degrees. Divide by 3412 btu/kW to convert to kW which equals 0.0928 kW x 1000 watts/kW = 92.77 watts to recover the tank 10 degrees.
• 92.77 watts per cycle x 72 cycles a month = 6,680 watts/month or 6.68 kW/month. Multiple this value by your electrical rate and you will have the $ cost.
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1 answer

We have Model No.GL 4Ti,how does this compare. There is an apparent switch on the side.

This question is from 4.0 gal. 6-Year 1500-Watt 120-Volt Point-of-Use Mini Electric Water Heater
Asked by
Plymouth NH
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April 20, 2016
Can we get a manufacturer phone number or manual for our model?
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Answer (1)

Asked by
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April 21, 2016
Answer: 
This is essentially the same item, just a different brand name. Contact information and web sites are not allowable responses in this forum. However, if you were to search bosch-climate.us you will find the site. At the top of the page is a link to "Contact Customer Service". You can also, go to Product, then Electric Water Heaters, then Tronic 3000T.
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Customer Reviews

Rated 3.5 out of 5 by 59 reviewers.
Rated 5.0 out of 5.0 by Review Update August 2014 to May 2016 I've now had 2 units for almost 2 years and I have never had any issue with them at all. For better or worse, I haven't looked into maintenance at all (which of course I don't recommend), but each still provides hot hot water, one at the kitchen sink and dishwasher, and the second under the bathroom sink. May 9, 2016
Rated 5.0 out of 5.0 by easy to install and seems to be working great this product was easy to install I couldn't hide it but it still looks good it seems to be working great if you need hot water somewhere I recommend this product it's been a few weeks and is doing the job I needed it to do June 22, 2014
Rated 5.0 out of 5.0 by Great Little Water Heater Installed under the counter for the source of an instant hot water tap. Used quick-connect fittings so removing the lines to drain it & change the element when necessary will be quite simple (it has no drain valve). Will install one in a bathroom remodel that's at the other end of the house from the water heater so no waiting for a hot shower. January 20, 2014
Rated 3.0 out of 5.0 by This is a replacement. It was easy to install because I was replacing one that failed. It was 4 1/2 years old. I hope this one last longer. May 13, 2014
Rated 1.0 out of 5.0 by Nearly useless It heats a VERY small amount of water to wash a few dishes then it turns cold. One would assume that I could actually get 4 gallons of hot water but it mixes with the incoming cold and it becomes lukewarm quite quickly. If you are using water that comes from a well and it's cold this will take forever to get it hot. I regret that I threw away the box as I would have surely returned it. July 23, 2015
Rated 1.0 out of 5.0 by Unreliable The first one had a six year warranty. I have just requested the fourth (4th) water heater, since the first three failed during the last five years. At $200 per removal and installation, the cost is excessive. Very unreliable. July 23, 2015
Rated 3.0 out of 5.0 by Does not last long This unit heats fast and provides a good amount of water for light jobs. We bought it to replace a tankless natural gas water heater that failed due to cold air coming down the flu pipe causing the tankless heater to freeze and rupture. We thought that having a small electric unit like this would be more reliable but still sufficient for our sink water and dishwasher. It works fine for that and we rarely run out of hot water. We also love the instant hot water since it could not be any closer to the faucet. However after 4 years we've had to replace this Ariston unit twice due to leaking tanks ( we're on number 3 now) so it is NOT hassle free. Not sure on what planet will the tank last 6 years per the warranty. I've had water damage twice now due flooding. Although not called for in the instructions, this time I've placed the unit in a water heater pan with a drain! March 31, 2015
Rated 4.0 out of 5.0 by Great little water heater! We have had an issue with waiting for hot water at the kitchen sink for years. Recently I purchased and installed this unit in-line with my household water heater under the kitchen sink. It works fantastic! Easy to install, no leaks, hot water when we need it. It also looks to be very economical. I've had it on a KWH meter for a few days and it looks like it will only use about 50KWH per month which equates to less than $5 per month in my area. Worth every penny! The only reason I didn't give 5 stars is that the manual doesn't give any information about how to plumb the pressure relief drain but I was able to figure it out myself. August 15, 2013
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