H21 ENGINE SERVICE BULLETIN

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There is a potential manufacturing issue for the Mini (13mm) engines with a Lot Code that begins with ‘H21’. The potential affected products are listed below.
PRODUCT NAMELOT CODE
A10-0TH21 1021
A3-4TH21 0921
A3-4TH21 0821
½A3-4TH21 1021
A10-3TH21 1021
¼A3-3TH21 1021
Estes is committed to ensure safety for all customers. Please refer to the National Association of Rocketry for a complete list of safety procedures that are required for safe model rocket use. You can learn more by reading the Model Rocketry Safety code, found here:

   https://www.nar.https://www.nar.org/safety-information/model-rocket-safety-code/org/safety-information/model-rocket-safety-code/

Please fill out the following form to contact customer service for replacement product.

Get in Touch if You Have Purchased These Engines

Please contact us as soon as possible if you have recently purchased these products: A10-0T, A3-4T, A3-4T, 1 ½A3-4T, A10-3T