Manufacturer Part #: G4361 Manufacturer: Balboa Water Group SKU: 58-138-3220 - Balboa BP7 Control System Only FEATURES: * 7 relays allow BP7 to operate in 32 different setups, which can power a spa with 1-4 pumps * BP7 can replace any Balboa BP System while using the existing topside that is already installed on the spa (some exceptions may apply) * BP7 can replace any Balboa VS or EL System when you match it with any TP or SpaTouch topside panel (some exceptions may apply) * BP7 can replace any Balboa or other brand's non-low flow system when you match it with amy TP or SpaTouch topside panel (some exceptions may apply) * Supports - ControlMySpa, Balboa Bluetooth Audio, Chromozon3, and Status Pro * Dimensions: 17"L x 4.75"W x 11.5"H Compatible topsides for this system can be found in the 'Commonly Replaced Items' tab and to the right of the screen as a 'Recommended Item'