1. Low/Slow production:
a) Low Incoming Water Pressure: Assure a minimum of 40 PSI of incoming water pressure. Watts Premier offers a booster pump if home water pressure is too low. Make sure water supply is fully open.
b) Crimps in tubing: Check tubing and straighten or replace as necessary.
c) Clogged pre-filters: Replace pre-filters (Typically every 6 months).
d) Fouled membrane: Replace the RO membrane (Typically every 1 to 2 years).

2. System constantly running and will not shut off:
a) Low Incoming Water Pressure: Assure a minimum of 40 PSI of incoming water pressure. Watts Premier Inc. offers a booster pump if home water pressure is too low. Make sure water supply is turned on and Adapt-a-Valve is fully open.
b) Crimps in tubing: Check tubing and straighten or replace as necessary.
c) High water pressure: Check incoming water pressure to make sure it does not exceed 80 psi. A pressure regulator valve may be necessary (Available at the online store).
d) High/Low pressure in Tank: Empty storage tank of water. Using a bicycle pump or a small compressor set the storage tank air pressure to 5-7 psi. Use a Digital Air Gauge for best results.