Replacement Instructions
PP-AS20 Replacement Instructions
1. Determine if equipment connected to your Product
Preservers System must be turned o before
shutting o water.
2. If bypass line is installed, bypass system during lter
change. Open bypass valve, close unit inlet valve,
and close unit outlet valve.
Figure A
3. If no bypass line is installed, turn o feed water.
4. Release pressure to system by pressing red button
on top of unit.
Figure B
5. Unscrew housing sump using included wrench if
necessary.
Figure C
6. Discard old cartridge. Retain spacer. Figure D
7. Insert new cartridge into sump. Re-use the spacer that
was included with the original unit.
Figure D
8. Inspect O-ring for any damage and replace if
necessary.
Figure E
9. Re-install lter housing sump. HAND TIGHTEN ONLY.
10. Pressurize system by slightly opening feed valve. Once pressurized, open valve fully.
Inspect seals for any leaks. If there is a leak, you may tighten the sump slightly more
with the wrench.
11. Flush system for 2 minutes with drain valve open. If no drain valve is installed
disconnect from equipment for ush cycle.
12. Turn on all equipment connected to system.
13. Record lter change date for replacement element scheduling.
OFF OFF
ON
A
B
C D
E
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