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Operation instructions
B Turning the flow control knob clockwise restricts
water flow. This provides higher temperature
because the water is moving slower, spending more
time over the burner flames. Turning flow control
knob fully clockwise also lowers the activation rate
(water flow needed to turn the heater on) to 0.5 gpm.
B Turning the flow control knob counter-clockwise
increases water flow. This provides lower tempera-
ture because the water is moving faster, spending
less time over the burner flames. Turning flow control
knob fully counter-clockwise also increases the acti-
vation rate of the heater to 1.1 gpm.
4.5 Power adjustment knob
The power adjustment knob (see Fig. 20 & 22) adjusts
temperature by adjusting the amount of gas supplied to
the burners.
(note: change in flame height not always visible with
knob adjustment).
B Turning the power adjustment knob clockwise sup-
plies less gas to the burners and lowers the water
temperature.
Fig. 22
B Turning the power adjustment knob counter-clock-
wise supplies more gas to the burners and raises the
water temperature.
Fig. 23
Maximum temperature
The maximum temperature is achieved by turning the
(left) power adjustment knob fully counter-clockwise
and the (right) flow control knob fully clockwise.
4.6 Draining the appliance
If there is a risk of freezing, proceed as follows:
B Remove the retaining clip from water valve (pos. 1).
B Remove bushing and filter (pos. 2) from water valve.
B Empty the appliance of all water.
Fig. 24 Draining
1 Retaining clip
2 Threaded bushing
3 Filter
Knob position Clockwise
Counter-
clockwise
Degree rise 90°F 45°F
Activation rate 0.5 GPM 1.1 GPM
Max flow rate 2.0 GPM 4.3 GPM
Table 4 Flow control knob settings
Warning: To prevent any freeze dam-
age, introduce short bursts of com-
pressed air (20-40psi) through the
outlet water connection to remove the
residual water in the horizontal pipes
and water valve.
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