Without knowing which specific unit you purchased, it is a little difficult to give you exact answers. You can go here, however, and download diagrams:
AQUATEC Permeate
Pump Reverse Osmosis System ERP1000 BONUS U CLIP ELBOW FITTING, Reverse Osmosis System 6 Stage 100 150 gpd
RO UV Permeate
Pump Water Filter, Reverse Osmosis Permeate
Pump For
RO Water Filter 50GPD, PERMEATE
PUMP 90 SHUTOFF REVERSE OSMOSIS WATER FILTER, 6 STAGE REVERSE OSMOSIS WATER FILTER WITH PERMEATE
PUMP, Oceanic Reverse Osmosis Drinking Water Filter System Permeate
Pump 100 GPD USA, Oceanic 6 stage Reverse Osmosis Water Filter Alkaline with Permeate
Pump 100 GPD, Oceanic Reverse Osmosis Drinking Water Filter System Permeate
Pump 75 GPD USA, Reverse Osmosis System 6 Stage 80g
RO DI UV Booster Permeate
Pump Water Filter, 6 Stage Reverse Osmosis System 100 150gpd
RO UV Permeate
Pump White Water Filter, Reverse Osmosis System 4 Stage 24 35 50 gpd Booster Permeate Pumps
RO, 6 Stage
RO 24 35 50 gpd UV Permeate
Pump Reverse Osmosis System Water Filter, Reverse Osmosis System 6 Stage UV Permeate
Pump Tank, Reverse Osmosis System
RO 5 Stage 100 150gpdPermeate PumpTank Water Filter, Reverse Osmosis System 5 Stage 100 150 gpd
RO DI Permeate
Pump Water Filter, Oceanic Reverse Osmosis Drinking Water Filter System Permeate
Pump 50 G with UV, Oceanic Reverse Osmosis Dual Drinking Aquarium Filter System w Permeate
Pump, Oceanic Reverse Osmosis Drinking Water Filter System Permeate
Pump UV 5 Stage, Oceanic Reverse Osmosis Drinking Water Filter System Permeate
Pump Alkaline 75 G, 5 Stage Reverse Osmosis System 24 35 50 gpd ROPermeate
Pump Water Filter, Reverse Osmosis 4 Stage System
RO 80 gpd membrane Permeate
Pump Water Filter, 6 STAGE REVERSE OSMOSIS WATER FILTER REMINERALIZER PERMEATE
PUMP 100GPD, 6 STAGE REVERSE OSMOSIS WATER FILTER ALKALINE SYSTEM PERMEATE
PUMP 100GPD, Oceanic 6 stage Reverse Osmosis Water Filter REMINERLIZER Permeate
Pump 100 GPD, Premier Reverse Osmosis Drinking Water Filter System Permeate
Pump 100 GPD USA, REVERSE OSMOSIS WATER FILTER WITH PERMEATE
PUMP DI 6 STAGE 100GPD GOOD DEAL, 5 stage Reverse Osmosis Water Filter with Permeate
Pump, 6 stage Reverse Osmosis Water Filter with Permeate
Pump, 5 STAGE REVERSE OSMOSIS WATER FILTER WITH PERMEATE
PUMP, 100 GPD
RO Reverse Osmosis 6 Stage Permeate
Pump 3 NEW,