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 -

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.

Weight 0.1 kg
Dimensions 10 × 10 × 5 cm

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