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  • MSRP: $256.00
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Today's Price: $182.95
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Bosch ES4

Tronic 3000T ES4 14" Point-of-Use Electic Mini-Tank Water Heater With 1440 Watts Heating Capacity, 98% Thermal Efficiency, Plug-In, 3.85 Gallons Tank Volume, 150 PSI, In White
★★★★★ ★★★★★

Tronic 3000T ES4 14" Point-of-Use Electic Mini-Tank Water Heater With 1440 Watts Heating Capacity, 98% Thermal Efficiency, Plug-In, 3.85 Gallons Tank Volume, 150 PSI, In White


Items that are currently in-transit to our warehouse, are currently in-stock at a drop-ship vendor’s, or manufacturer's warehouse will be marked as "Available". These products will ship once your order is processed (usually within 24-48 business hours). For any exceptions to this timeframe, an ETA (Estimated Time of Arrival) for your order will be emailed with accurate shipping dates in order to ensure that you are always updated and informed as to when your order will arrive at its final destination.

Quick Ship Eligible

Items labeled Quick Ship will ship within 2 business days from our East Coast warehouse. Actual delivery times will vary based on your location. If you are ordering multiple items and not all items qualify for Quick Ship, the order will ship when all items are available to ship. Quick Ship may not apply to multiple quantities of the same product.

Quick Specs: View More

  • Width: 14"
  • Height: 14"
  • Depth: 12.25"

Enter zip code for delivery ETA and promotions:


Capacity (Gallons) Options: 3.85 Gallons

Bosch ES4

ES4 3.85 Gallons $182.95

Bosch ES8

ES8 7 Gallons $257.00

The Bosch Tronic 3000T point-of-use electric mini-tanks can be wall-hung (bracket included) or floor-mounted. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water. It may also be installed in-line with a larger hot water source to eliminate the wait for hot water.   Available at AppliancesConnection


The Bosch Group has been a leading global supplier of technology and services in the areas of Automotive, Industrial Technology, Consumer Goods and Building Technology for over 100 years. The company was founded in Stuttgart, Germany, in 1886 and today has more than 300 subsidiaries in over 150 countries. Every Bosch product is built with one goal in mind; to enhance the quality of your life every day by providing solutions which are both innovative and truly beneficial.


  • Provides hot water quickly at point-of-use
  • Compact, lightweight, space saving
  • Temperature / pressure relief valve installed on ES4
  • Glass-lined tank for long service life
  • Model ES4 has a simple 120VAC plug-in connection (1440 Watts)

Common Applications

  • Sink located far from water heater
  • Kitchenettes
  • In-law suites
  • Half bathroom or powder room


Bosch Tronic 3000T Mini-Tank Series


Application Point-of-Use / Under Sink
Tank Volume 3,85 Gallons
Heating Capacity 1440 Watts
Recovery Rate @ 90°F Rise 6.8 GPH
Temperature Range 65 - 145°F
Max. Operating Pressure 150 psi
Thermal Efficiency 98%
Electrical Requirements (Amp/Volts) 12 A / 120 V
Dimensions 14" x 14" x 12¼"
Weight 17.3 lbs.
Water Fittings ½" Male NPT
Relief Valve Included
Wire Type Plug-In
Recommended Minimum Installation Clearances  
Top 0"
Bottom 0"
Sides 0"
Front 0"


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Overall Rating ☆☆☆☆☆ ★★★★★ 4.0
Ease of Use 4.3
Meet Expectations 5.0
Bang for Your Buck 4.7
Average rating out of 3 reviews

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Customer Reviews

 from Warrensville Heights, OH
Overall Rating: ☆☆☆☆☆ ★★★★★ 4
Ease of Use: 5
Meet Expectations: 5
Bang for Your Buck: 4

Recommended Product:

Just installed 2 of these in our vacation home this past month while on vacation for the holidays. They worked very well. The provide hot water very quickly. No wait time!

Was this helpful? 👍 0 👎 0

 from Newland, NC
Overall Rating: ☆☆☆☆☆ ★★★★★ 4
Ease of Use: 4
Meet Expectations: 5
Bang for Your Buck: 5

Recommended Product:

The price was great, the install of this water heater was easier than I expected it to be, the help from the customer service crew at your website was excellent.

Was this helpful? 👍 0 👎 0

 from Mineola, NY
Overall Rating: ☆☆☆☆☆ ★★★★★ 4
Ease of Use: 4
Meet Expectations: 5
Bang for Your Buck: 5

Recommended Product:

Installation was easy and straight forward with the use of the instruction's provided. I would highly recommend this unit to anyone with the need to heat water.

Was this helpful? 👍 0 👎 0

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  • Brand:Bosch
  • SKU:ES4
  • UPC:052575120331
  • Stock Id:345269
  • Product Number:ES4


  • Fuel Type:Electric
  • Capacity (Gallons):3.85 Gallons
  • Tankless:No


  • Width:14"
  • Depth:12.25"
  • Height:14"

    Technical Details

  • Color:White
  • Voltage:120 Volts
  • Usage:Residential
  • Weight:18.00 lbs