6700C Series
Sensor Operated Mixing Faucet
Solenoid Valve Cleaning
1. Turn off water supply at stop valve.
2. Remove control box (if possible) to gain access
to the solenoid valve.
3. Remove four Screws (#1) and separate the
valve from the box.
4. Remove four Coil Screws (#2) and separate Coil
(#3) from Valve Seat (#4).
5. Clean or replace Control Disc (#5), Disc Spring
(#6), Piston, Piston Spring, and check the Piston
Sleeve for corrosion.
6. Re-install all parts in same order as the diagram
below.
7. Re-install solenoid on the control box and re-
mount box in water line.
8. Check and clean Filter Screen (#24) in Filter
Body (#22).
9. Reset P.C. Board and make sure solenoid clicks
open and thumps closed.
10. Turn on water and check for leaks and proper
operation.
(For further questions, please call Hydrotek Tech
Support at 1-800-922-9883 ext. 103)
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6700C Series
Sensor Operated Mixing Faucet
Solenoid Valve Cleaning
