john
molecules of 134 are smaller than r12 molecules. They can pass right thru most rubber hoses. If you convert to 134 you need hoses with a "barrier" built in to keep the 134 from passing thru. Most shops that build hoses only use barrier hose now-a-days.
rick
molecules of 134 are smaller than r12 molecules. They can pass right thru most rubber hoses. If you convert to 134 you need hoses with a "barrier" built in to keep the 134 from passing thru. Most shops that build hoses only use barrier hose now-a-days.
rick