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Re: MACS Section 609 technician training updated for R-1234yf
Posted to HVAC Forum on 12/26/2014 2 Replies

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Hi Peter. I believe you meant Section 609; or did you?

Nevertheless, now that you mentioned Section 608, the USA EPA did not like changes with Section 608 back in the initial start of the R-410A tr... Login to read more.

2 Replies Received (View Replies)