Appli Parts APT Pierce Valve
Used a saddle pierce valve in suction line. Never did braze in a service port, the needle held its seal well. Topped it off with 410a twice This lesson discusses the differences between series (pressure) and parallel (volume) modes, and how the pump operates in Appli Parts APT-PV310 1/2, 5/8 in Bullet Piercing Valve kit with tube size adapters and o ring seal ...