Ideal for replacing your electric storage tank water heater， the Bosch WH27 electric whole house tankless water heater is compact and powerful and can installed virtually anywhere inside the home. Advantages include endless hot water， reduced electricity costs and substantial space savings. Designed to replace a 40 Gal. electric tank， the Bosch WH27 electric tankless water heater is built to last with solid copper heat exchangers， and can help provide homeowners with a lower energy bill.

Compact， lightweight tankless electric water heater

Zero standby loss - only heat the water that you need

Solid copper heat exchanger

Built-in flow sensor ensures constant output temperature

External temperature control knob

Thermal cut-out for safety - protects elements from damage

Can be installed in several locations

Also requires 3 separate 40 Amp 2-pole circuit breakers and six #8 AWG wires plus ground， minimum 200 Amp breaker panel (not included)

Flow sensor to provide a constant output temperature

220/240-Volt - 120 Amp

Requires 3 double pole 40 Amp

See model WH17 for warmer climate applications and requires less Amp's than WH27