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G. Push the upper part of the cartridge through the lock-pin till tight.
H. Lock the cartridge with the lock-key to the notch on the look-pin.
I. Pressure Relief: Open venting ball valve connected with air outlet; then
turns the tap water on gently to flush out air in PreFilter Cartridge. Close
venting ball valve after degassing.
Cartridge
lock-pin and
notch location
Insert the lock-key
into the notch on
the lock-pin
