Description
Stiebel Eltron DHC-E 12-2 Classic Tankless Water Heater
Brand: Stiebel Eltron SKU: DHC-E 12-2 Classic
Product Overview
The Stiebel Eltron DHC-E 12-2 Classic, item number 203672, is a compact electric tankless water heater designed for point-of-use hot water applications. It provides electronically controlled hot water without storing water in a tank, making it a practical choice for sinks, small fixtures, and other localized hot water needs where the electrical and flow requirements match the application.
Key Features:
- Compact point-of-use design: Small wall-mounted dimensions make it easier to install near the fixture, helping reduce the wait for hot water in suitable applications.
- Tankless electric operation: Heats water on demand instead of storing hot water in a tank, which saves space and avoids standby heat loss from a storage tank.
- Electronically controlled temperature: The unit is designed to control outlet temperature electronically, helping provide more consistent hot water than basic non-controlled heaters.
- 208/240V flexibility: Can be used on compatible 208V or 240V single-phase electrical service, with output varying by voltage.
- Adjustable temperature range: The source lists an adjustable outlet temperature range of 86°F to 140°F for matching the water temperature to the application.
Technical Specifications:
- Manufacturer: Stiebel Eltron
- SKU: DHC-E 12-2 Classic
- Item Number: 203672
- Product Type: Electric tankless water heater
- Control Type: Electronically controlled
- Application Type: Point-of-use hot water
- Voltage: 208/240 V
- Phase: Single-phase
- Rated Output: 9.0 kW at 208 V; 12.0 kW at 240 V
- Rated Current: 43.3 A at 208 V; 50.0 A at 240 V
- Recommended Circuit Breaker: 50 A double-pole
- Recommended Wire Size: 6 AWG copper
- Temperature Range: 86°F to 140°F
- Minimum Flow to Activate: 0.26 gpm
- Maximum Working Pressure: 150 psi
- Water Connections: 1/2 in. NPT
- Dimensions: 14 3/16 in. H x 7 7/8 in. W x 4 1/8 in. D
- Dimensions, Metric: 360 mm H x 200 mm W x 105 mm D
Installation & Versatility:
- Mounting: Install as a compact wall-mounted point-of-use electric tankless water heater according to the Stiebel Eltron technical documentation and local code.
- Electrical: Requires compatible 208V or 240V single-phase power. The source lists a 50 A double-pole breaker and 6 AWG copper wire for this model.
- Plumbing: Connect using the listed 1/2 in. NPT water connections. Verify flow rate and application sizing before installation.
- Professional installation recommended: Electric tankless water heaters require proper electrical capacity, wire sizing, grounding, plumbing, and code compliance. Installation should be performed by qualified professionals where required.
Common Applications:
- Bathroom sink: Suitable for point-of-use hot water where the fixture demand and incoming water temperature match the heater’s capacity.
- Kitchen or utility sink: Can serve localized sink applications when properly sized for the desired flow rate and temperature rise.
- Remote fixture: Useful where a fixture is far from a central water heater and a compact on-demand unit is preferred.
- Commercial handwashing station: May be used for single or limited fixture handwashing applications when local codes and sizing requirements are met.
Frequently Asked Questions:
- Q: Is this draft for the DHC-E 12-2 Classic item number 203672 only?
- A: Yes. The specifications in this draft are limited to the Stiebel Eltron DHC-E 12-2 Classic, item number 203672.
- Q: What are the dimensions of the DHC-E 12-2 Classic?
- A: The listed dimensions are 14 3/16 in. high x 7 7/8 in. wide x 4 1/8 in. deep.
- Q: What voltage does this unit use?
- A: The DHC-E 12-2 Classic is listed for 208/240V single-phase power. Output is 9.0 kW at 208V and 12.0 kW at 240V.
- Q: Can this heater run an entire house?
- A: It is described as a point-of-use electric tankless water heater. Whole-house use is not assumed; sizing depends on flow rate, inlet water temperature, and required temperature rise.
- Q: What breaker and wire size are listed?
- A: The source lists a 50 A double-pole breaker and 6 AWG copper wire for the DHC-E 12-2 Classic.
The Stiebel Eltron DHC-E 12-2 Classic is a compact, electronically controlled electric tankless water heater for properly sized point-of-use applications, with 12 kW output at 240V and space-saving dimensions for tight installation areas.






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