Hydrotech PURA QCRO Series Quick Change Reverse Osmosis Drinking Water System User Manual
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1. Turn off incoming water supply
to RO.
2. Open RO Faucet and allow water
to drain from the tank until it is 
completely empty.
3. Check that air pressure is between
5-7 psi using an air pressure gauge.
4. If the pressure is low use a bicycle
pump to increase pressure to 5-7 psi.
5. Follow startup procedure.
1. Turn off incoming water supply
to RO.
2. Open RO Faucet and allow water
to drain from the tank until it is 
completely empty.
3. Check that air pressure is between
5-7 psi using an air pressure gauge.
4. If the pressure is low use a bicycle
pump to increase pressure to 5-7 psi.
5. Follow startup procedure.
Metal Tank Sanitization Procedure
Plastic Tank Sanitization Procedure
1. Turn off water supply to your RO
system by turning off the adapter 
valve. Open the faucet to drain the 
storage tank.
2. Once the tank has emptied. Discon-
nect the tube from the ball valve on 
the storage tank.
1. Turn off water supply to your RO
system by turning off the adapter 
valve. Open the faucet to drain the 
storage tank.
2. Once the tank has emptied. Discon-
nect the tube from the ball valve on 
the storage tank.
3. Using a clean eye dropper insert 1/2
teaspoon of hydrogen peroxide or 
common household bleach into the 
tube.
4. Reconnect the tube to the ball
valve. Follow the start up procedure 
and drain the first two full tanks of 
water.
3. Using a clean eye dropper insert 1/2
teaspoon of hydrogen peroxide or 
common household bleach into the 
tube.
4. Reconnect the tube to the ball
valve. Follow the start up procedure 
and drain the first two full tanks of 
water.
tank Pressure Check
tank Pressure Check
