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Holmes HEH8031 Thermostat Replacement

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This guide shows step by step instructions for replacement of the thermostat assembly in the Holmes HEH8031 heater.

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  1. Holmes HEH8031 Thermostat Replacement, Housing: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Ensure the device is unplugged from the wall outlet.

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  2. Holmes HEH8031 Thermostat Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove eight 12-mm Phillips #2 screws from the back cover.

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  3. Holmes HEH8031 Thermostat Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Holmes HEH8031 Thermostat Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Turn heater over so the controls are facing up.

    • Lift the front housing away from the back of the fan and slowly fold the front housing back down to the floor.

    • Internal wires are connected to both halves of the housing. Be careful when separating the housing.

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  4. Holmes HEH8031 Thermostat Replacement, Circuit Board Removal: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove four 12mm Phillips #2 screws from the circuit board.

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  6. Holmes HEH8031 Thermostat Replacement, Fan: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove two Phillips #2 12mm screws from housing

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  7. Holmes HEH8031 Thermostat Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove zip tie from wire with pliers

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  8. Holmes HEH8031 Thermostat Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Separate fan assembly from heating coil

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  9. Holmes HEH8031 Thermostat Replacement, Thermostat: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove 1 Phillips #2 screw

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  10. Holmes HEH8031 Thermostat Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove thermostat from rear housing

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  11. Holmes HEH8031 Thermostat Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • remove solder from thermostat wire on circuit board

    • Soldering iron will be hot

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To reassemble your device, follow these instructions in reverse order.

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