Hubbell Electric Heater Company E - Manual (Page 6)

6
CONTROL THERMOSTAT
The water heater is supplied as standard with a surface mounted thermostatic switch that is installed
and wired at the factory. As an option an immersion thermostat is available. See drawing for specific
details. The surface mounted thermostat can be adjusted through a range of 110° - 170° F. The
immersion thermostat can be adjusted through a range of 100° - 190° F. Both thermostats are adjustable
with a flat tip screwdriver.
Surface Mounted Thermostat
(Standard)
Immersion Thermostat
(Optional)
TEMPERATURE HIGH LIMIT SWITCH
As a safety device, a surface mounted high temperature cut-off switch with manual reset, factory set at
190° F, is supplied. As an optional, an immersion high temperature cut-off switch with manual reset,
factory set at 180° F, may be provided. In the event of an over-temperature condition, the thermostat
will disengage the power from the system. The high limit must be manually reset thereafter to restart
the heater.
Manual Reset
Immersion High Temperature Cut-Off Switch
(Optional)
Surface Mounted High
Temperature Cut-Off Switch
(Standard)