Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater
The Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater is cool, quiet and compact. It easily fits under a sink or in a sink cabinet or vanity. The installation is fairly easy and can be done inline on the hot water line so this becomes an preheating water heater to heat line water until the main water heater delivers hot water.

This unit only requires 120 volt electrical service and has a standard plug.

Read the rest of the Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater review:

Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater price

Table of Contents
(click a title to jump ahead!)

1. Price
2. Usage Considerations
3. Specifications & Regulations
4. Consumer Reviews
5. Pros & Cons
6. Summary

The electricity should be dedicated to this water heater and minimum 15 Amp service. The 4 gallon tank delivers hot water in 1 or 2 seconds to sinks. Not for use with showers.

Maintenance is simple and must be done yearly for the anode rod to avoid calcification. The heating element is good for 2 to 3 years and then can be replaced. If you have hard water you should consider using a water softener to avoid calcifying this water heater.

The unit has a white plastic cover and a red light that indicates when the unit is heating water. Adjustment of water temperature requires the unit to be opened up and trial and error adjustments. Once the temperature is set, it requires no more adjustment.

Also comes in 4 other sizes: 1.5 Gallon, 2.5 Gallons, 6 Gallons & 7 Gallons. Click link below.

2.5 Gallon & 6 Gallon Bosch Point-of-Use Electric Mini-Tank Water Heaters

Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater Price

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The Bosch GL4 Ariston 4-Gallon Indoor Electric Mini-Tank Water Heater is priced at $169.00 and ships free if you are qualified for Amazon’s Super Saver Shipping Program.

It is almost always in stock and ships within 2 days.

Usage Considerations

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The Bosch GL4 Ariston 4-Gallon Electric Water Heater is a point of use water heater. It can conveniently fit under a sink and can service one or two sinks at a time. It is not for showers or washing machines. Some people use for dishwashers, but is not recommended.

The electrical service is 110 volt standard plug in, but requires its own 15 or 20 Amp dedicated line.

There is a overflow valve that is best used when hooked up to a drain. The plumbing hookup can be done with stainless steal braided patch hoses.

Calcification can be avoided by regular yearly replacement of anode rod and replacement of electrical heating element every 2 or 3 years. Occasional checking the inside of the unit is helpful (every 6 to 8 months) to see if calcification is occurring. Use with hard water may require a water softener to be installed. Click link below for more information.

Water Softener Systems

Specifications & Regulations

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  • 14 inches tall x 14 inches wide x 12 ¼ inches deep
  • Weight: 17.3 lbs.
  • Glass lined tank
  • 6 year warranty on tank
  • Plugs into standard 120 volt outlet
  • Temperature/ pressure relief valve included
  • Meets ASHRAE 90.1 standard
  • Mounts on Wall or Floor
  • White plastic outer case
  • Draws 12.5 amps – Single Phase
  • Heating Capacity 1500 watts
  • Recovery at 90 degree F. rise 7 GPH
  • Temperature Range 65-145 degrees F.
  • Water Connections 1/2” NPT
  • Operating Pressure 150 PSI

Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater Customer Reviews

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“5 Star Consumer Review – I have not noticed a large spike in my electrical use, and it does not seem like this is going to cost me lots to use. Hopefully the savings from…(read more here: Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater Review)”

“5 Star Consumer Review – I mounted the water heater in a very restricted space under my kitchen sink so as to not impact my wife’s storage. I used flexable connection lines and an disposable aluminum roasting pan as a drip pan. I surface mounted my…(read more here: Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater Review)”

Amazon Rating: 4.2

 

Pros & Cons

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Pros: Compact, has 120 volt plug in electrical line, great for 1 or 2 sinks, easy installation, inline hot water installation works very well, well insulated (stays cool)

product name consCons: Requires yearly maintenance of anode rod, heating element lasts 2 to 3 years and then must be replaced, heating adjustments require the unit to be opened up and there is no dial for adjustment, can’t be used for a shower

Summary

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The Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater is easily installed, compact and runs with little heat build up under the sink where its installed.

This unit is excellent and durable for single sink or double sink applications. Not to be used with showers or hot water using appliances.

Maintenance is easy, but requires regular yearly service. Excellent for use as a pre-heating water heater inline on a hot water system. Can be used as a sole water heater for a sink that does not get heavy flow demand.

Check current pricing discounts:

Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater price

Features Overview:

Bosch GL4 Ariston 4-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater

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