Hydraulic Power Assist Unit - 12/24 Volt | SeaStar Solutions PA1200-2 SeaStar power-assisted steering uses an electronically controlled hydraulic pump to provide additional power for SeaStar branded hydraulic steering systems. Dramatically increases steering comfort Reduced wheel effort Easy installation Simple ‘add-on’ to existing SeaStar manual system (up to 2.0cu. in. helms) The number of turns lock to lock remains the same Compatible with SeaStar Power Purge system Compatible with autopilots Wiring harness included Ignition protected (SAE J-1171 Auto-sensing voltage system (12V or 24V) ABYC, CE, NMMA, ISO 10592 Approved Can be mounted on the floor or wall mount, no need to purchase extra kits