Monoblock nozzle. Monoblock nozzle is not sold on standard filling machine.
1. Orange gasket for black plastic vent (leak will be from top of black plastic--bottom of spring--if this is bad). Keep larger diameter stainless tube well lubricated.
2. Oring for white plastic cylinder (if this is bad, bottle can overfill)
3. Flat gasket (seals top of bottle during filling)
4. Tip oring
The small diameter stainless tube is sealed with teflon tape or pipe compound at top end. There is no need to apply teflon tape on the tip end.
The large diameter stainless tube is sealed with teflon tape or pipe compound to the black plastic vent cylinder.
The hose nipple (threads into black plastic cylinder) is sealed with teflon tape or pipe compound.
A leak at connection of clear plastic tubing to hose nipple: Cut off end of clear tubing and reapply.
To remove the small diameter stainless tube. Hold the female part with channel locks. Grap stainless tube near the top end with pliers and unthread.
To remove the large diameter stainless tube. Slide a locking collar (not shown) over tube and tighten firmly. Grab the collar with pliers and unthread. This prevents damage to the tube