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open air over (OAO) enclosure to prevent overheating during continuous duty cycles
making it a versatile drop-in solution for legacy system repairs or modern high-efficiency upgrades
requiring a manual restart to maintain industrial combustion safety
the 8620-135 ensures proper air circulation and HVAC compressor protection by managing blower delay cycles
This momentary electronic switch is designed to interface with model 52SQC312-301AA
Trane SWT1614 Limit Switch 320720-756 open air over (OAO) enclosureFor mid to high efficiency residential and light commercial furnaces, the Trane SWT1614 Limit Switch is a critical safety component designed to manage thermal cycles and protect the heat exchanger. This high limit switch features a 220F Open 190F Close temperature rating, serving as an automatic reset limit switch that interrupts the burner circuit if the supply plenum temperature exceeds safe operating parameters. As an OEM Trane replacement part, it
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