i learned SH & SC at school. the things i suck at are velocity and static pressure. now if only people would take time to teach me maybe i could get as good as some of you guys. and to the original poster. Your gages and your meter in the field are your most important tools. besides common sense. shraeders at condenser are usually only access point. the gage reading on suction side tells what evap is doing. welcome to the field newbie
Originally Posted by garya505
Ah, sorry I thought that's what he meant. An inch shouldn't make that much difference (at least that's what I always tell my wife).