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  • Bosch GL2.5 Ariston 2-1/2-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater
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Bosch GL2.5 Ariston 2-1/2-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater

by Bosch
| 34 answered questions

List Price: $188.00
Price: $169.00 & FREE Shipping. Details
You Save: $19.00 (10%)
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Ships from and sold by Amazon.com. Gift-wrap available.
  • Stores up to 2.5 gallons of water to supply hot water for a single sink
  • Easy, space-saving installation and draws power from standard outlet
  • Works independently or in line with a larger water-heating system
  • Glass-lined tank for longer life
  • Dimensions: 14-by-14 by-10-1/4-inches; Weight: 16 pounds; Electrical: 120 volts, 1500 watts
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28 new from $169.00 4 used from $157.17

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Frequently Bought Together

Bosch GL2.5 Ariston 2-1/2-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater + SHURFLO (255-313) 1/2" Twist-On Pipe Strainer + SHURflo 4008-101-E65 3.0 Revolution Water Pump
Price for all three: $249.95

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Product Information

Technical Details
Part Number GL2-5S
Item Weight20.2 pounds
Product Dimensions10.5 x 14 x 14 inches
Item model numberGL2.5
Item Package Quantity1
Warranty Description6-year warranty, 1 year on parts
  
Technical Specification
Additional Information
ASINB0006GVO12
Best Sellers Rank #16,253 in Home Improvement (See top 100)
Shipping Weight20.2 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Shipping Advisory:This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
Date First AvailableSeptember 14, 2004
  
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Product Description

From the Manufacturer

Installing an Ariston electric mini-tank water heater under the sink puts hot water right where you need it at the point-of-use. Lightweight and compact this heater is available in three space-saving sizes: 2.5, 4, and 6+ gallons. These heaters are aesthetic on the outside, glass-lined on the inside, and offer superior insulation for higher efficiency.

Customer Questions & Answers

Customer Reviews

Works great, easy to install.
Dwight Feryance
It's nice to have hot water right away, without running it for two minutes, then having a long line of heated water cool down again and be wasted.
mike m
The 2.5 gallon supply is plenty to handle dishes and hand washes.
G. Austin

Most Helpful Customer Reviews

247 of 257 people found the following review helpful By Keith M. on January 28, 2010
I bought two GL2.5 water heaters in 3/2006 & installed one for a master bedroom and the other for the kitchen sink w/a T to dishwasher. Very nice to have hot water fast. Otherwise have to wait for it to come from attic quite some distance. BUT the directions suggest CLEANING it out every year. This pretty much means uninstall it if in a tight location! Turn upside down to drain, descale element and REPLACE ANODE! Every YEAR! Have you ever done that with a water heater... and they last 10 yrs. no problem! Well here, I did not do that & the first started to fail in late 2007. The thermostat breaker would kick off & I would reset it. Then that stopped working and I ordered a replacement thermostat in 4/2008 from Grainger. That worked & then we had our main circuit breaker kicking off easy. I think it was shorting through the mineral deposits! Unknown to me at the time... Then the tank fails mid-2009. Soon in Fall 2009 the 2nd unit had a tank failure (fyi, it never had the breaker or thermostat trip first). Both units were a mess to clean up. Lucky we were home. These are not safe w/o access and the recommended pan. The pan should be deep and have a drain & water alarm. The yearly service MUST be done. Just not worth it so I put everything back the way it was originally. Why not use a better tank and design? How they are now is asking for trouble unless you are very good w/scheduled preventive maintenance.
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164 of 175 people found the following review helpful By Michael L. Wiersma on March 11, 2007
I live in the northeast. It gets cold here. My basement is warmer than outdoors, but, despite copiously wrapping my pipes in insulation, I get cold water in my kitchen sink for something like 8-9 seconds (at full blast) before the water becomes passably warm. Working from home, having rambunctious teenagers and more than a few dogs, I do a lot of cleaning and hand-washing. I wasted a lot of water (water which was previously heated at some expense) trying just to get a little warm water. Worse, the dishwasher didn't change water fast enough to keep the water in the line warm, so the dishes would get rinsed in cold water every time, even if you use the water heat option for the wash. Certainly this is not a big problem, but I lived with it for five winters and decided this was the time to do something about it.

I purchased this point-of-use water heater (the smallest of three versions) so that it would fit underneath my kitchen cabinet. I've been using it for a few days now, and am thrilled that I get warm water every time, day or night, whatever happens, in about 1-2 seconds, max.

Now the challenges. It was relatively easy to hook up, as long as you can, for instance, install a new faucet, and are passably familiar with plumbing sizes and patch cords, like between your water line and sink, or between the water line and toilet, etc. I bought a new one from the line to the heater, and another from the heater to the sink. The most time-consuming thing was the drive to the hardware store. Some relatively strong turns of the attaching points, a little contorting under the sink to reconnect the hot water faucet (and a little help from the "shop light",) and it's not an overwhelming task. Don't be shy or hesitant to look carefully for leaks.
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53 of 56 people found the following review helpful By J. Snavely on February 6, 2011
I purchased a Bosch GL2.5 Ariston 2-1/2-Gallon water heater 3 years ago from Amazon for placement under my kitchen sink. Prior to installing this heater, it took a long time and a serious waste of water before the water became hot, which is unacceptable for kitchen sink use.

I installed the unit myself which is very easy if you have even the slightest knowledge of plumbing and a few typical tools.

The heater worked great for about a year. Then one morning, I got out of bed and went to the kitchen to make coffee. My kitchen floor was flooded. The relief valve on the top of the heater was leaking badly. Fortunately, I have tile floor in the kitchen and after several hours of clean-up and cussing, the kitchen was usable again. My kitchen cabinets were soaked, so I left the doors open and used a fan to circulate air for drying purposes.

Can you imagine what would have happened if we had been gone on vacation when this happened?

I called Bosch customer service in Vermont and told them of the failure of the unit, and that my kitchen was a flooded disaster. I sent them pictures of the heater and the kitchen before cleanup to verify what had happened. They were very responsive and sent me another heater that day via FedEx.

I installed the new heater, and put a drain pan under it to catch any leaking water...lesson learned! Even if I had placed the drain pan under the first heater, there was way too much water for the pan to hold even one tenth of it.

So, I installed the new heater, but it wouldn't hold the set temperature. It was either cold or very hot. I again called customer service, and they sent me a new thermostat which is easy to install.
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45 of 47 people found the following review helpful By G. Austin on September 30, 2007
Verified Purchase
I hooked this up in the kitchen sink to avoid a 30 foot run from the main HWH. It took about 1 hour under the sink and another 30 minutes installing another power outlet. The heater works great. The 2.5 gallon supply is plenty to handle dishes and hand washes. I disconnected the main supply and have not missed it.
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