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Electric Tankless Water Heaters Stiebel Eltron DHC-3-2
Electric Tankless Water Heaters Stiebel Eltron DHC-3-2

Electric Tankless Water Heaters Stiebel Eltron DHC-3-2

SKU: DHC-3-2
Mfg Number:
  • Fuel Type: Electric
  • Volts: 208 / 240 V
  • Dimensions: 14 3/16 x 7 7/8 x 4 1/8
  • Color: White
Availability: In Stock Usually ships In 4-6 Business Days

Product Information
Retail: $196.90 Price: $179.00
 
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Description

Stiebel Eltron DHC 3-2 Technical Data

Model   DHC 3-2
Phase   1 1
Voltage V 208 240
Wattage kW 2.5 3.3
Amperage A 12 14
Min. required circuit breaker size A 15 20
Recommended wire size AWG COPPER 14 12
Min. water flow to activate unit GPM / Lmin 0.32 / 1.2
Weight lbs. / kg 5.3 / 2.4
Dimensions (H / W / D) in. / cm 14 3/16 (36.0) / 7 7/8 (20.0) / 4 1/8 (10.4)
Nominal water volume Gal / L 0.13 / 0.51
Working pressure PSI / bar 150 / 10
Tested to pressure PSI / bar 300 / 20
Water connections   1/2" NPT

The Stiebel Eltron DHC 3-2 Tankless Water Heaters are designed for installation at the point of use. They heat water instantaneously as it flows through the unit. Stand-by losses are completely eliminated.

The heating elements are controlled by a flow switch and by an exclusive scald-guard thermostat, which keeps the water temperature within safe limits at all times. In addition, the DHC water heaters are equipped with a safety high-limit with manual reset. The rugged all copper design ensures many years of reliable service.

The models DHC 3-1, DHC 3-2 and DHC 4-2 are shipped with 0.5 GPM pressure compensating flow reducer / aerators that fit on most faucets. Flow controls and faucet aerators are highly recommended in conjunction with tankless water heaters.

Stiebel Eltron DHC Series Interior Cutaway View

This product is also available
with different Voltages and Wattages. For Residential and Commercial Use.

240V Residential and 208V Commercial

Stiebel Eltron DHC 3-1 Tankless Water Heater
120V - 3.0kW

Stiebel Eltron DHC 4-2 Tankless Water Heater
208V / 240V - 2.9kW / 3.8kW

Stiebel Eltron DHC 5-2 Tankless Water Heater
208V / 240V - 3.6kW / 4.8kW

Stiebel Eltron DHC 6-2 Tankless Water Heater
208V / 240V - 4.5kW / 6.0kW

Stiebel Eltron DHC 8-2 Tankless Water Heater
208V / 240V - 5.4kW / 7.2kW

Stiebel Eltron DHC 10-2 Tankless Water Heater
208V / 240V - 7.2kW / 9.6kW

277V Commercial // Office Buildings

Stiebel Eltron DHC 4-3 Tankless Water Heater
277V - 4.5kW

Features:

  • Up to 50% less power consumption compared to storage type heaters
  • Hot water instantly
  • Exclusive built in scald guard thermostat
  • Lower installation costs compared to tank type units
  • Available in many different kW sizes
  • Available for 120v, 208v, 240v, and 277v

The Stiebel Eltron DHC tankless water heaters are ideal for restrooms or kitchenettes in an office or commercial / industrial setting:

  • Office Buildings
  • Gas Stations
  • Stores
  • Schools
  • Malls
  • Hotels / Motels
  • Warehouses
  • Commercial Condominiums
  • Restaurants
  • Manufacturing Facilities

In a residential setting, they are suited for the following applications:

  • Bathroom Sinks
  • Kitchen Sinks
  • Laundry Areas
  • Small Cabins
  • Boats / RVs
Specifications

Heater-Store or any of it's affiliates are not responsible for damages or injury caused by wrongful installation or application of this product.

Product PDF's and Other Resources

Stiebel Eltron DHC Series Resources

Stiebel Eltron DHC Series Sizing Chart
Stiebel Eltron DHC Series Technical Data
Stiebel Eltron DHC Series Brochure
Stiebel Eltron DHC Series Installation Manual
Stiebel Eltron DHC Series Parts Diagram
Stiebel Eltron DHC Series Parts List
How to select the correct model of Stiebel Eltron DHC Tankless Water Heater?
  1. Stiebel Eltron Tankless Water heaters come in different voltages (separate models - Voltage: 120V - 208V - 240V - 277V).

  2. Voltage = Power consumption by the unit. The higher the voltage the more heat the unit can deliver. In the USA, installers often install the 120V unit hard wired to deliver 240V (depending on availability of power source).

  3. Units with 208V are designed for Commercial and/or Office Buildings. The power source in the USA for Commercial buildings is different than Residential; the units hard wired in this case can only deliver 208V. Units operating at 120V are also available for Commercial use. All units running on 120V will have a temperature rise vs. flow rate lower than the other units.

  4. Please refer to the resources above and check out the temperature rise chart. Basically the bigger the unit and the more GPM (gallons per minute) it will run through will mean LOWER temperature rise. For example model Stiebel Eltron DHC 10-2 heater is a 2 GPM unit. Because of its high GPM capacity it MUST be hard wired for Commercial and Residential use. Thus the unit will run at 240V Residential and 208V Commercial.

  5. The water temperature rise chart calculated at 240V shows that when the unit delivers 2 GPM from the faucet, the max temperature rise above ambient water temperature will be approx 33F. But when this unit delivers 0.75 GPM (means the faucet is not fully open) the max temperature rise above ambient water temperature will be almost 90F. So if ambient water temperature is 35F and the unit has a demand output of 0.75 GPM the water temperature out of the faucet will be approx 125F.

  6. The 277V units are only for specific installations, please refer to the documentation above.
Dimensions
14 3/16 x 7 7/8 x 4 1/8
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