Used With:

• Hayward MaxFlo VS 500 Omni Pump - HL2350020VSP
• Hayward MaxFlo VS Pump - (W3)SP2303VSP, SP2315VSP, SP23520VSP, SP23510VSP, SP2300VSP, SP2302VSP, SP2302VSPND
• Hayward MaxFlo XL Pump - SP2305X7(EE)(SP), (W3)SP2307X10(2), (W3)SP2310X15(2), (W3)SP2315X20(2)

Might be compatible with older models as long as the part number is listed in the product manual