AQUATECH 8800 RO Booster pump Assembly. **** PRODUCT MANUAL **** Includes: * AquaTech 8800 booster pump * transformer * pressure switch. Demand activated (When pressure decreases). For low pressure situations. Every reverse osmosis system requires a minimum of 35 psi to operate. Aquatec ® CDP-8800 Booster Pump For RO Systems Over 50 GPM - CDP-8800 Series High Flow). The CDP-8800 Series pumps are also compatible with most hydraulic shut-off valves with the optional PSW shut off tank controller switch. Distinguishing Features & Operating Benefits: Outstanding toughness, durability. Designed for 30,000+ operating hours. Adjustable pressure boost between 40-120 PSI. Outlet pressures up to 160 PSI. EMI/RFI electronic noise suppression. Extremely quiet operation, less than 45 DBA. Expels trapped air, eliminates air locks. Runs dry without damage. Pumphead can be mounted up or down. Self-priming, 60 inch lift. Improved venting system removes moisture. Low voltage (12-24V) for maximum safety. Corrosion resistant exterior. Technical Specifications: POWER: The CDP-8800 Series pumps operate safely with low energy (24 watts), low voltage (12-24V) motors. They can be used with compatible transformers offered in the most popular worldwide voltages (120 VAC, 230 VAC). 3/8" In / Out JG Fittings. Now all our Aquatec booster pumps come with a pressure switch, nothing extra to order!