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Old 08-18-2016, 03:13 PM
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DeliveryValve DeliveryValve is offline
Chairman of my Benz
Join Date: Jun 2006
Location: Central California
Posts: 4,105
Originally Posted by funola View Post
The 2 evaporators in the pic are both Siemens? P/n of the unit on the right is legible but I can't make out the p/n of the unit on the left, can you? They both have the same p/n?

I believe an all aluminum evaporator of the same size and shape is more efficient than a copper/ aluminum one.

Yes, they both have the 123 830 14 58 part number on them.

Here is a close up picture. The rust covers the part number pretty well.

I have to agree with you on the efficiency between copper tubes and aluminum tubes. Although, I did get a good 32 degree vent temps performance out of this copper tubed evaporator even with it clogged.

Attached Thumbnails
'85 w123 Complete AC system rebuild-siemensevap2.jpg  
1983 123.133 California
- GreaseCar Veg System

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