Service maintenance contracts before and after the summer heat
Easy to adjust to reach correct pressure differential
Great way to increase business during the slow season
Field tested for accuracy
Description
The charging jacket is a reliable way to charge Txv systems in cold weather. Normally low temperatures remove too much heat from the condenser coils, so hvacr professionals should only work on Txv systems when the outside air temperature is 70°f or higher. made in United States. Manufactured by Fieldpiece instruments Inc.