Isotherm Replacement Overheat Thermostat for Basic and Slim Water Heaters – Reset Button 381668 (SEA00042LA)

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Isotherm Replacement Overheat Thermostat for Basic and Slim Water Heaters - Reset Button 381668 (SEA00042LA)

Original price was: $153.00.Current price is: $120.00.

Isotherm Overheat Thermostat for Basic and Slim Water Heaters -
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Isotherm Overheat Thermostat for Basic and Slim Water Heaters (SEA00042LA)

Over-Temp Reset Button

Replacing / re-setting thermostat:

Warning: Be sure to turn power off first!

The thermostat equipment has an integrated working thermostat and a double overheat protection thermostat. This is manually re-settable, by pushing the pin on the top of the thermostat (See fig. 10).

Also check why the  overheat thermostat initially tripped before re-connecting the power supply.

Reset Thermostat:

  • Turn off the power!
  • Pull out the cable plug.
  • Take off the front plastic cover (Basic and Slim 4 screws, Square 3 screws).
  • Reset overheat thermostat.

Replacing thermostats:

  • Pull off the cable shoes after having noticed their positions. 
  • Thermostat sensor ends are put into a tube on the heater element fastening flange.
  • Pull them out.
  • Unscrew fastening screws for the thermostats.
  • Mount new thermostats in opposite order.
  • Be sure sensor ends are properly put into the tube.

Always unplug the heater and/or turn off all circuit breakers and disconnect shore power connections before removing the connection cover . The electrical circuit is controlled by a service thermostat set to 75°C / 167°F and a double overheat  protector that is set to 96°C / 205°F. If the overheat protector trip, it has to be manually reset.

This is done by pressing the small knob on top of the overheat protector.

Additional information

Weight 0.1 kg
Dimensions 10 × 10 × 5 cm

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