| Condition | Stock |
|---|---|
| As Removed | 1 Available |
The 67321-26-190 is a thermoswitch (overheat switch) for aircraft temperature detection and system protection. Installed in ducting or pack assemblies, it monitors thermal conditions and triggers overheat warnings or automatic system shutdown when temperature thresholds are exceeded. Commonly used in environmental control systems on Boeing 737 Classic aircraft.
Installation and testing must follow the aircraft Maintenance Manual and FAA AC 43.13-1B guidance. Verify compatibility with the aircraft Illustrated Parts Catalog before installation.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
The 67321-26-190 is a thermoswitch (overheat switch) for aircraft temperature detection and system protection. Installed in ducting or pack assemblies, it monitors thermal conditions and triggers overheat warnings or automatic system shutdown when temperature thresholds are exceeded.
Avionics compatibility depends on your aircraft model and existing installation. The SWITCH: is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.
Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.
We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.