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Dryer drum runs normally but produces no heat; the blown thermal cut-off fuse interrupts power to the heating element circuit.
Clothes require multiple cycles to dry due to insufficient heat caused by a partially failed high-limit thermostat.
Dryer motor or control circuit is disabled because the thermal fuse has opened, cutting all power to the heating system.
Dryer runs dangerously hot when the high-limit thermostat fails to interrupt the heating element at the 250°F cutoff threshold.
💡 Pro Tip: Is Your 279769 Thermal Cut-Off Kit the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ Dryer runs but produces no heat at all
⚠️ Dryer takes two or more cycles to dry a normal load
⚠️ Dryer gets excessively hot or trips the house circuit breaker
⚠️ Dryer drum spins but will not start a heated cycle
🔍 Use a multimeter to check each component for continuity. A blown thermal cut-off fuse will read open (no continuity) and must be replaced — it is a one-time-use safety device. Always check the exhaust vent for blockages before installing a new kit; a clogged vent is the #1 cause of repeat fuse failures.
📦 What's in the Box
✅ 1× High-Limit Thermostat (250°F / L250-80F)
✅ 1× Thermal Cut-Off Fuse (360°F)
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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