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Re: MACS Section 609 technician training updated for R-1234yf
Posted to HVAC Forum on 12/22/2014 8 Replies

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I guess I was not clear. The point is/was that if you are already EPA Section 609 Certified, you "ARE" covered by any determinations "as written" by the EPA. The EPA currently grandfathers per-say, w... Login to read more.

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