Check the listing for details. Reverse Osmosis RO 100 GPD Booster Pump + Transformer. Condition: New. Listed at 72.95 USD. Detailed Description: Reverse Osmosis 100 GPD Diaphragm Booster Pump 110 ACDC 24 V Transformer + 2 Pcs Connect Fittings (1/4 tube x 3/8 Threaded) Note: Using Booster pump is recommended for those who they have low incoming city water pressure less than 50 PSI or well water tank pressure 40 - 60 PSI. Buy this product only when your waste is not shutting off and/or the tank is not filling up after 2 hours. (do not buy this pump if you are on city water pressure is 55 PSI and up). Contact us first if you are not sure what you are buying. This pump will not increase the production volume or the pressure for those who they are on city water pressure 55 PSI and up. This pump will not help for those who would like to increase the water transfer volume to the ice maker or the fridge, that product named a demand pump or delivery pump which is completely different product. Reverse osmosis systems will increase your system input pressure then will increase the water production & purity as well if your city water pressure is lower than 50 PSI. Boost pressure 80 PSI Increases your membrane performance if your municipality water pressure (PSI) rated low. Using Booster pump for Reverse osmosis systems will increase your system input pressure then will increase the water production & purity as well. Boost pressure 80 PSI. High pressure switch for reverse osmosis booster pump (on - off) operation control is required to operate you RO system automatically. High pressure switch job is to turn off the booster pump when the tank is full. This auction includes: pump, transformer and two fittings only. Features: This 100 GPD booster pump is designed for membranes rated 100 GPD. It can be mounted in several positions Safe power operation with, low energy (low voltage - 24 volt). Transformer included. The motor of these boosters is Duty cycle will vary with load and ambient temperature; smoother running; longer life; and work with high efficiencies never Mind if its installed in warm, humid, hostile environment where other pumps can’t operate in such hard environments. Product total weight with transformer 6 Lbs - Booster dimensions 6.5 inch X 4 inch X 4 inch TransformerApproved. Detailed Description: All required fittings & instruction manuals are included to DIY your own installation. Warranty: One Year Limited Warranty. Pump Specifications Volts :24 VDC AMPS: 1.2A Open Flow: 60 L/H this pump is to be used with reverse osmosis systems only Transformer Specifications: Input 110 AC Output Volts :24 Volt DC