Good Evening Evros,
Once again a heartfelt thank you for the input you have put into this thread and these pictures which have illustrated the difference between the geometry of the compatible and incompatible connectors. Having the spare pipe parts I mentioned in post 1 I thought I would look at the connecting pipe side of the union your picture show on the dryer side. Pictures for everyone now or in the future.
The compressor to dryer pipe.
The pipe to dryer side connector and your dryer connector side
It does illustrate in importance of the curved faces but I must admit the seal ring does not sit where I expected.
Buoyed my enhanced understanding I thought I would look at the connector geometry of the connector at the pipe-to-condenser having both sat here. Unboxed my new NRF condenser and proceeded to remove the bolted transit seal for inspection and it hissed at me, this thing is alive made me jump! and quickly bolted it back up. Your earlier comment "Likewise, condensers sometimes come sealed and purged with nitrogen, says so on a sticker" came home, just never encountered the sticker, never mind still lots of nitrogen still in there. Regardless it looks like two flat surfaces with a the o-ring seal squashed between them by the connector bolt, I wonder why the dryer connector is so elaborate by comparison.
Some more tomorrow if I have time.
Andy
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