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Hot Water Where You Need It Point-of-Use Electric Mini-Tank Water Heaters
The Bosch Tronic 3000T point-of-use electric mini-tanks are
available in three sizes which can be wall-hung (bracket included)
or floor-mounted and come with a temperature/pressure relief
valve. Simply tap into the cold water line, provide electrical
connection and install the water heater directly at the sink to
provide hot water. They may also be installed inline near the point-
of-use to eliminate waiting for hot water from the primary source.
Features
u Supplies up to 2 sinks at a time (ES8 model)
u Provides hot water quickly at point-of-use
u Compact, lightweight, space saving
u Units can be wall / floor mounted (bracket included)
with multi-directional mounting available (ES8 model only)
u Temperature / pressure relief valve included
u Glass-lined tank for long service life
u Models ES2.5 and ES4 have a simple 120 VAC plug-in connection
u 8 year limited warranty§
Bosch Tronic 3000T Series Models ES8, ES4, ES2.5Note: All Tronic 3000T models are sold in the U.S. only.
§ Copies of original warranties in their entirety are available at www.bosch-climate.us
Common Applications
u Sink located far from water heater
u Kitchenettes
u In-law suites
u Half bathroom or powder room
Bosch Tronic 3000T Point-of-Use Electric Mini-Tank Water Heaters
Bosch Thermotechnology Corp.
Londonderry, NH • Ft. Lauderdale, FLGeneral Inquiries: 1-866-330-2725Technical Support: 1-866-330-2730 www.bosch-climate.us
Copyright© 2013 Bosch Thermotechnology Corp. All rights reserved. 73H991002 3/2013
Note: All Tronic 3000T models are sold in the U.S. only.
Easy Installation
Simply tap into cold water line, provide electrical connection and install
the water heater directly at the sink. Can be used alone to provide a small
volume of water or installed inline near the point-of-use with a larger hot
water source to eliminate the wait for hot water.
Technical Specifications ES8 ES4 ES2.5
Part Number 7736500902 7736500901 7736500900
Thermal Efficiency 98% 98% 98%
Tank Volume (gal) 7.1 4 2.7
Heating Capacity, Watts 1440 1440 1440
Recovery Rate @ 90°F Rise, GPH 6.8 6.8 6.8
Temperature Range (°F) 65 - 145 65 - 145 65 - 145
Max Operating Pressure (psi) 150 150 150
Weight (lbs) 29.5 17.3 15.5
Dimensions (in) 17½ x 17½ x 14½ 14 x 14 x 12¼ 14 x 14 x 10¼
Water Fittings ¾" Male NPT ½" Male NPT ½" Male NPT
Relief Valve Included Installed Installed
Electrical Requirements
Volts (VAC) 120 120 120
Amps 12 12 12
Wire Type Hard Wired Plug-In Plug-In
IMPORTANT Do not install the unit in an area where leaks will damage the surrounding area. If this is not possible, a suitable drain pan must be utilized as required by most plumbing codes.
Relief valve is required; however it is not shown in above photo for clarity.
No more waiting for hot water. Ideal for stand-alone use or recirculation systems.
Bosch 3000T Mini-Tank
hot cold
Engineering Submittal Sheet
Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 723008301 A | 12.2013
Bosch Thermotechnology Corporation Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA
Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us
TRONIC ES2.5, ES4, ES8Point-of-Use Electric Mini-Tank Water Heaters
1 of 5
ES2.5-ES4 Dimensions
ES8 Dimensions
10 ¾”
6 ¼”
3 ½”
13 ½”
9”
3 ½”
2 ½”2 ½”
3 ¾”
13 ¾”
½ NPT male
”¾
31
5”
38
”1
4SE5.2SE
Models ES8 (Vertical installation)
Models ES8 (Horizontal installation)
14 ½”
4 ½”
8 ½”
17.6”
MIN
OFF
MAX
IDE AL
”6.71”1
11.4”
¾ NPT MALE
2½””½
6
14 ½”
4 ½”
8 ½” 17.6”
”6.71
MAX
MIN
OFF
IDE AL
”3”4.11
E LA
MTPN
¾”
1”
Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 723008301 A | 12.2013
Bosch Thermotechnology Corporation Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA
Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us
TRONIC ES2.5, ES4, ES8Point-of-Use Electric Mini-Tank Water Heaters
Engineering Specifi cations
Water heater shall be a Model TRONIC ES2.5, ES4 or, ES8
Installation shall consist of ___Model TRONIC ES2.5 electric mini-tank water heaters as distributed by Bosch Thermotechnology Corp. and 98% thermal effi ciency. Supply voltage shall be 110 - 120VAC with a heating capacity of 1440 Watts.
Installation shall consist of ___Model TRONIC ES4 electric mini-tank water heaters as distributed by Bosch Thermotechnology Corp. and 98% thermal effi ciency. Supply voltage shall be 110 - 120VAC with a heating capacity of 1440 Watts.
Installation shall consist of ___Model TRONIC ES8 electric mini-tank water heaters as distributed by Bosch Thermotechnology Corp. and 98% thermal effi ciency. Supply voltage shall be 110 - 120VAC with a heating capacity of 1440 Watts.
The electric mini-tank water heaters shall be UL listed for the US and Canada and UPC certifi ed.
CONSTRUCTIONWater heater shall be electrically powered with compact mini-tank design for point-of-use operation and an effi ciency rating of 98%. Tank shall be glass-lined and insulated for thermal retention. Unit shall be protected by a tough plastic housing. Tank shall be rated for maximum working pressure not less than 150 psig. Water heater shall be equipped with a pressure relief valve and a magnesium anode rod for protection against tank corrosion. Water connections for inlet and outlet shall be ½” NPT male for ES2.5 and ES4. Water connections for inlet and outlet shall be ¾” NPT male for ES8.
The controls shall be a wired thermostat with temperature selector and a high temperature safety cut-out. A red light shall indicate when the unit is powering the heating element.
INSTALLATIONAll aspects of installation of electric mini-tank water heater shall be in strict accordance with manufacturer’s instructions. Materials shall conform to all manufacturer’s recommendations including electrical connections and wiring.Water heater piping shall be fi eld constructed of materials as specifi ed. Water heater shall be installed with water shutoff valves for service and maintenance.
MODE OF OPERATIONThe heater shall include integral factory wired thermostat to control all operation and energy input. Control of outlet water temperature shall be set through an internal set point with a fi eld adjustment of 65 to 145 degrees F. Heater shall be capable of maintaining the temperature set point +/- 3 degrees F by supplying power to the 1440 Watt heating element.
WARRANTYThe inner tank shall carry a 8 year warranty. All other parts and components shall carry a 1 year warranty against defects in materials or workmanship.
2 of 5
Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 723008301 A | 12.2013
Bosch Thermotechnology Corporation Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA
Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us
TRONIC ES2.5, ES4, ES8Point-of-Use Electric Mini-Tank Water Heaters
Technical Data
Description Unit ES8 ES4 ES2.5
Part number − 7736500902 7736500901 7736500900
Thermal Effi ciency % 98 98 98
Volts VAC 110 - 120 110 - 120 110 - 120
Amps Ω 12 12 12
Wire Type − Hard Wired Plug-In Plug-In
Tank Volume GAL 7.1 4 2.7
Heating Capacity Watts 1440 1440 1440
Recovery Rate @ 90°F Rise GPH 6.8 6.8 6.8
Temperature Range ° F 65 - 145 65 - 145 65 - 145
Max Operating Pressure psi 150 150 150
Weight lbs 29.5 17.3 15.5
Water Fittings ° F ¾” Male NPT ½" Male NPT ½” Male NPT
Relieve Valve − Included Installed Installed
Certifi cations −U P C
NSF/ANSI 61
®
3 of 5
Installation Example 1 - Booster Application
Front view
Hot Cold
MIN
OFF
MAX
IDE AL
Hot Cold
Water Heater
Hot
Long pipe run from hot water source to faucet
Instant hot water to faucet
Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 723008301 A | 12.2013
Bosch Thermotechnology Corporation Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA
Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us
TRONIC ES2.5, ES4, ES8Point-of-Use Electric Mini-Tank Water Heaters
4 of 5
Installation Example 3 Domestic Hot Water Recirculation Application
MIN
OFF
MAX
IDE AL
Hot
Sensor
Cold
Installation Example 2 - Point-Of-Use Application
Front view
Hot Cold Hot Cold
MIN
OFF
MAX
IDE AL
Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 723008301 A | 12.2013
Bosch Thermotechnology Corporation Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA
Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us
TRONIC ES2.5, ES4, ES8Point-of-Use Electric Mini-Tank Water Heaters
5 of 5
ES2.5 & ES4 Components
1 Temperature & pressure relief valve, ¾ NPT male2 Cold water inlet ½ NPT male3 Thermostat4 Temperature & pressure relief valve discharge line to drain5 ¾ NPT female tapping for relief valve6 Hot water outlet ½ NPT male
Components Legend
1
MAX
MIN
OFF
IDE A
L
2
4
5
6
3
ES8 Components
1 Temperature & pressure relief valve, ¾ NPT male2 Cold water inlet ¾ NPT male3 Thermostat4 Temperature & pressure relief valve discharge line to drain5 ¾ NPT female tapping for relief valve6 Hot water outlet ¾ NPT male
Components Legend
MAX
MIN
OFF
IDE AL
1
2
4
5 3
6
7
8
7 ¾ NPT male plug8 ¾ NPT female tapping for tap