Replacement High-Limit Switch Assembly for Jandy Legacy Pool/Spa Heater. Jandy High-Limit Switch Assembly for Legacy (R0457200). Works with the Jandy Legacy Pool/Spa Heater. View more great items. The Polaris P825 Robotic Pool Cleaner (WR000044). Len Gordon Pressure Switch Universal 21 Amps 1/8in. NPT SPDT Stainless Base Bulk. In The Swim Deluxe Swimming Pool Maintenance Kit? Garden Hose Vacuum Head. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.