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Our most popular aftermarket accessory.  We manufacture these heater kits here, for installation on the 503 (and 447 with slight modification) engines.  Includes the heat collector, butterfly apparatus, cockpit control, ducting for the cockpit and all hardware necessary for installation.  These heaters are complete kits and ready to install on your aircraft. 


Rotax 447/503 Cabin Heater Kit




Quick Release Hardware Kit.  This kit replaces the standard rivets to attach the collector to the engine shroud with plate nuts and stainless machine screws, allowing you to easily install or remove the heater with the change of seasons.


Bulkhead Flange.  This aircraft grade aluminum flange is installed at the point where the heater duct enters the cockpit and includes the required stainless clamps.  Recommended if you have an aluminum bulkhead or other rigid surface where the duct enters the cockpit.



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