An Indeeco 1006981 Hi Limit Thermostat regulates temperature thresholds to protect the assembly from overheating during normal use.
The hi limit thermostat monitors operating temperature and opens the circuit when the system reaches its 170F limit, interrupting power to protect the heating and cooling unit from overheating. Its calibrated setpoint and safety-focused construction matter because they provide reliable temperature cutoff performance that supports consistent operation and protects surrounding components from excess heat.
The hi limit thermostat may be failing if the HVAC system shuts down unexpectedly, overheats or cycles irregularly as temperature protection becomes less consistent. Physical signs can include discoloration, wear or damaged terminals and you might notice a burnt smell or excess heat around the part during operation.
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Yes! Parts Town allows you to return most new, unopened real OEM HVAC replacement parts within 90 days of delivery, so head to our Returns page to see if your order qualifies. If the order came from a third-party seller, their return policy will apply.