here's hoping my A/C does not fail on the NUK when we get the hot boiling weather later this year
photo's say it all.
1st pic shows joints broken open.
2nd & 3rd close up of the O-rings
4th close up of old O-rings removed large black one seems damaged maybe by inserting the connection dry ?
5th the new O-rings
6th & 7th rubber grease added