On this episode I speak about condenser flood back controls and how they work to maintain system head pressure in low ambient conditions. We cover the ORI, ORD and OROA valves. Housecall Pro https://www.housecallpro.com/hvacknowitall XOi Technologies http://www.xoi.io/hvac-know-it-all-demo/ Use Promo Code knowitall at https://www.trutechtools.com/ and save 8% on your purchase Check out https://www.hirago.com/ for skilled trade employment opportunities
