Bosch has made other upgrades to the unit and some of the highlights of the new units are listed below.
- Provides endless hot water for 1-3 major applications at a time*
- 97 % efficiency rating
- Compact & lightweight
- Electronic flow sensor
- Element modulation provides a constant output temperature
- Filter screen on inlet
- Improved temperature stability & control
- Enhanced scale resistance
*Dependent on location and model used.
The Bosch WH17 needs to be wired in using 8 ga wire to 2 - double pole 40 amp breakers and the home should be equipped with at least a 150 amp panel box.
The Bosch WH27 needs to be wired in using 8 ga wire to 3 - double pole 40 amp breakers and the home should be equipped with at least a 200 amp panel box.
There is a 5 year warranty on the heating elements and 2 year warranty on all other parts.
Below is a sizing chart that may help determine which model electric tankless may be best for you in the area where you live.