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Model#: BWHNUS7

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Bosch 7736500684 30 Amp 7.2kW Under-Sink Tankless Water Heater

  • Bosch 7736500684 30 Amp 7.2kW Under-Sink Tankless Water Heater
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Designed to provide an endless supply of hot water to kitchen, bathroom, and handwashing sinks. Electric heater eliminates long waits for hot water by using a dual-chambered copper heat exchanger. The unit runs at 99% thermal efficiency, so stand-by loss is minimal. Plus, it mounts on the wall in any direction and is compact and lightweight, making it a great choice for a variety of spaces. Requires professional installation and hardwiring. With its top performance specifications and versatility, this item is a great way to get the hot water going in kitchens, offices, at warehouses, service stations, stores, and concession stands.
  • Tankless electric water heater eliminates long waits for hot water at point-of-use
  • Easy to position for installment under bathroom or kitchen sink
  • Mounts on wall in any direction and is space saving, ultra-compact, and lightweight
  • 99% efficient with minimal stand-by loss
  • Copper heat exchanger with copper-sheathed heating elements for dependable and superior quality
  • Unit requires professional installation to guarantee safety and longest life
  • Measures 12 3/4 in. W x 3 in. D x 6 1/2 in. H and weighs just 5 lbs
Compliance and Restrictions
warning: Cancer and Reproductive Harm --


Length: 15 in.
Width: 3 in.
Height: 7 in.
Weight: 6 lbs.
Application Type: Point of Use
CSA Safety: Yes
ETL Safety: No
Features: Wall Mountable
Finish: White
Flow Rate@35 F Rise(Gallons/Min): 1.1
Flow Rate@45 F Rise(Gallons/Min): 1.1
Flow Rate@55 F Rise(Gallons/Min): 0.8
Flow Rate@65 F Rise(Gallons/Min): 0.8
Fuel Type: Electric
Heat Exchanger Warranty: 5 Year
Indoor/Outdoor: Indoor
Max. Temperature(F): 131
Min. Activation Rate(gpm): 0.75
Required Volt Connection: Yes
UL Safety: Yes
Uniform Energy Factor: 0.8



5.0 / 5.0
1 Review
5 Stars
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3 Stars
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1 Star
Extremely efficient.
Amazing! I've installed many of these units and they work very well and efficient; the electrical consumption is barely observed but the time to have hot water in the kitchen sink, for example, is dramatically reduced.
December 17, 2018

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