Feature

●Flexible, Weather and UV Resistant Polystyrene Card Material Tested 0°F-130°F, Three Cards Double Sided per Pack, HVAC Technician Resource


Description

These three HVAC quick reference polystyrene cards are double sided and designed to be used with Air Conditioners and Heat Pumps to measure the refrigerant level in a unit, charge refrigerant, troubleshoot refrigerant based problems, and measure heat transfer to determine if there is a problem.