Bosch Pro Tankless GWH-425-HNO-N Instructions For Use Manual page 15

Knob
clockwise
position
Degree rise 90°F
Activation rate 0.5 GPM
Max flow rate 2.0 GPM
Table 4 Clearances
As the temperature adjustment knob is turned counter-
clockwise, the output temperature will lower and the
activation rate will be raised. Turning the knob
clockwise will raise the temperature and lower the
activation rate.
Fig. 11
Gas control slide button
The gas control slide button adjusts temperature by
adjusting how much gas is allowed to flow to the
burners.
As the slide is adjusted to the left, the output
temperature will lower, with the lowest setting being the
one flame position . The hottest position is the three
flame position all the way to the right
8 716 473 148
counter-
clockwise
45°F
1.1 GPM
3.7 GPM
.
Operation instructions
15