It’s actually R600a (isobutane). However, looking at www.secop.com/sustainabili..., it appears UL is ok with flammability for commercial stuff because it’s hermetically sealed. Can’t do that for HP.
It’s actually R600a (isobutane). However, looking at www.secop.com/sustainabili..., it appears UL is ok with flammability for commercial stuff because it’s hermetically sealed. Can’t do that for HP.