Top off with R-32 if needed. It’s 70% of R-454B anyway. Remove the R-454B charge and replace it with R-410A. That’s what our rep told us to do. Mix your own R-454B in the field using 70% R-32 and 30% ...
Trane recently sent customers a notice stating that, beginning May 7, it will temporarily increase the factory pre-charge of refrigerant in all vertical-discharge split air conditioner and heat pump ...
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