A.W. HAYDON Propeller Repeat Cycle Timer / De-Ice ControllerPart Number: A43420-P3Manufacturer: A.W. Haydon CompanyVoltage: 28V DCCycle Time: 2 minutes (repeat cycle)Condition: Tested / Certified Working (please verify your own aircraft logs and requirements)
Genuine A.W. Haydon mechanical repeat-cycle timer designed specifically for propeller de-ice boot systems on general aviation aircraft. This precision timer automatically controls the on/off cycling of the propeller de-icing boots, ensuring proper ice removal while preventing overheating or excessive power draw.
- Exact OEM part number A43420-P3 clearly marked on unit
- Rugged aviation-grade construction – built for reliable operation in harsh flight environments
- 28 Volt DC operation (standard for most piston twins and many singles)
- Repeat cycle timing optimized for propeller de-ice boots
- Direct replacement for many Cessna, Piper, Beechcraft, and other GA aircraft
Compatibility (common applications):
- Cessna 310 series (and many other Cessna twins)
- Piper PA-34 Seneca, PA-44 Seminole, PA-32 Saratoga/Cherokee Six
- Beechcraft and other light twins equipped with propeller de-ice systems
This is a hard-to-find genuine A.W. Haydon timer that is no longer in production. Perfect for restorers, mechanics, or aircraft owners maintaining original equipment.
Important: This is an aircraft component. Installation must be performed by a qualified A&P mechanic.
THANKS FOR LOOKING
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