WATER HEATER MAINTENANCE PROCEDURES (C0NTD)
Temperature Limit Controls Adjustment. It is safe to adjust the
operating control (1) to the limits of its dial.
If normal operation
does not correct temperature, notify direct support maintenance.
Do not adjust high limit control (2) while the control is
installed on the water heater.
Improper operation of
this control could cause the water heater to blow up.