Not exactly a full fledged training video but I feel that low pressure switches in a pump down circuit are extremely important. #teachme Here is an article on pump down as well. (and I'm not crazy, that link I'm pointing at was for YouTube haha) https://www.hvacknowitall.com/blogs/blog/186960-rerigerant-pump-down-explained#.YFnTzFNE2DY

Posted by HVAC Know It All at 2021-03-23 11:44:09 UTC