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CONTROL THERMOSTAT
The water heater is supplied with either a surface mounted or immersion thermostatic switch that is
installed and wired at the factory. 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
Immersion Thermostat
TEMPERATURE HIGH LIMIT SWITCH
As a safety device, either a surface mounted high temperature cut-off switch with manual reset, factory
set at 190° F, or an immersion high temperature cut-off switch with manual reset, factory set at 180° F,
is 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
Surface Mounted High
Temperature Cut-Off Switch Immersion High Temperature Cut-Off Switch
OUTER SHELL AND INSULATION
The tank is encapsulated in 2-inch thick polyurethane foam insulation. The insulation is protected by a
high impact non-corroding colorized composite protective jacket.