“COMPACT” series mini power unit with 1/4"G P-T ports – 12V DC motor – 1800W with contactor and thermal protection – 1P2.5 pump – check valve – adjustable pressure relief valve – No. 1 D.E. solenoid valve, “Y” center, with P closed and A and B to T – No. 1 lock valve – 90 dBA buzzer – SPIDER – UP-DOWN push buttons on the cover – 10 L plastic tank with lid – battery disconnect switch.