600-6289 Marquis Spa Circuit board. MQ2KUR1A. Balboa 53579. This Circuit Board Was Used Partially In Spas Up To 2006. You Will Need To Carefully Measure The Mounting Holes At The Bottom Of The Board. Lay A Tape Measure Across The Bottom, From Left To Right. The First Mounting Hole Is Located At 1/4 Inch, The Second Hole At 4 1/2 Inches, And The Third Hole At 10 Inches. If Your Mounting Holes Are Not At These Locations, Please See Circuit Board Number 600-6292. These Boards Are Identical, But The Mounting Holes Are Different.
This Circuit Board Is Typically Mounted In A Metal Control Box.
CAUTION! Electrical Item
If you install This Item, You WILL NOT Be Able To Return It. If Part Is Defective, It Can Be Exchanged For The Same Part Only.