Service manual
  ALWAYS INSTALL NEW “O” RING, (S-13). 
  5. Assemble check valves together as shown. 
  6. Connect water inlet line to double check valve assembly. 
  7. Activate the system as outlined in CHAPTER III. 
S-15
S-13
S-11
S-12
S-10
S-9
S-16
S-6
S-11
S-12
S-13
S-10
S-22 GAS CHECK
   VALVE
S-9
 S-20 WATER
CHECK VALVE
S-14
S13
S-11
S-12
S-10
S-9
S-6
CHECK VALVES 
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