The Kelly Valve is used in Air Flex I models from 2007 to 2018. The following revision numbers outline if the part is supported or not.
If the revision is not supported, you may send in your Kelly Valve to our factory for analysis and possible refurbishment. Please inquire with the Parts Department if your revision may be eligible.
Rev - = 2007 - Discontinued
Rev 0 = 2009 - Discontinued
Rev A = 2010 - Discontinued
Rev B = 2012 - Supported (Part# H7553)
Rev C = 2017 - Supported (Part# H7553)
To check what revision you have, observe the printed text on the PCB Board. In this example, this Kelly Valve is Revision A: "HILL LABS 1001A300 REVA"
