3 ©2025 Johnstone Supply, LLC Have questions about the 2025 refrigerant changes and how they’ll impact your business? Find all the latest updates on new equipment installation, regulatory information, A2L trainings, and other contractor resources on our A2L Resources page. JohnstoneSupply.com/A2L R-32 & R-454B Refrigerants Find it in-store or online Available Now B66-856 B64-386 56999 H28-709 Mfg. #743-203-HFC Inficon LDM150R Refrigerant Monitor For standalone constant monitoring of refrigerant gas Remote sensor 5499 H28-091 Mfg. #DP-1 Diversitech Nitrogen Purge Tool Quick and easy way to purge copper pipes with nitrogen 31499 H28-848 Mfg. #SR47 Fieldpiece Wireless Refrigerant Scale Large and durable 13" platform Load capacity up to 252 lbs 22299 H28-730 Mfg. #MG44 Fieldpiece Wireless Vacuum Gauge A2L compatible Easy-to-read backlit LCD with bar graph Measurement range 50 to 25,000 microns A2L Tools A2L Tools
RkJQdWJsaXNoZXIy MTUzOTk4Ng==