I believe Jandy uses what are called "Riacon" terminal blocks. It is a bit difficult to locate the
exact version because most of the Digikey listings, for example, lack pictures.
These look awfully similar, but I don't have a spare connector to measure to compare to the datasheet and I don't really want to rip my panel apart at the moment.
Order today, ships today. 31007110 – 10 Position Terminal Block Plug for Unshrouded Header 0.197" (5.00mm) 90° Free Hanging (In-Line) from METZ CONNECT USA Inc.. Pricing and Availability on millions of electronic components from Digi-Key Electronics.
www.digikey.com
This appears to be the vendors page for them:
Our core offering of direct solder terminal block versions can accommodate wires ranging in size from twenty-eight up to and including twelve gauge
www.metz-connect.com
Here's an fleabay listing for ones that look similar:
Find many great new & used options and get the best deals for LOT OF 10 RIACON connector Terminal Blocks Single Row at the best online prices at eBay! Free shipping for many products!
www.ebay.com