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wow new line set sure its recommended but mandatory ? not sure why ? i surely hope Not ...hope if Thoroughly flushed with R11 & nitro & if proven leak free in an isolation test Ive herd from my Reps is standard protocol
R-454b is not “propane” based
R454B is 1234yf and R32. Not propane.
wow new line set sure its recommended but mandatory ? not sure why ? i surely hope Not ...hope if Thoroughly flushed with R11 & nitro & if proven leak free in an isolation test Ive herd from my Reps is standard protocol
R-454b is not “propane” based
R454B is 1234yf and R32. Not propane.