HK 50 M – HK 10M – HK 100S SERVICE BULLETIN5.6.13. Dismounting the water pressure switchOPERATION ORDER COMPONENT REQUIRED TOOL KIT12 Turn the system power OFF and close the gas valve12.1 Remove the front cover. (Section 5.6.1)12.2 Remove the connection tube nuts (1) 2 screws 17 mm open mouth switch12.3 Remove the water pressure switch (2) Water pressure switchReassembly is the opposite of the disassembly phase.Service Administration 71 03/2010
