![Amazon.com : Trane Kit - (1) R22 & (1) R410 Slide Charging Calculator with Graphs & (1) PT Chart : Office Products Amazon.com : Trane Kit - (1) R22 & (1) R410 Slide Charging Calculator with Graphs & (1) PT Chart : Office Products](https://m.media-amazon.com/images/I/61fkxrjTxZS._AC_UF894,1000_QL80_.jpg)
Amazon.com : Trane Kit - (1) R22 & (1) R410 Slide Charging Calculator with Graphs & (1) PT Chart : Office Products
![Made a chart to calculate how much refrigerant to add for systems that don't have the correct liquid line size per the instructions. : r/HVAC Made a chart to calculate how much refrigerant to add for systems that don't have the correct liquid line size per the instructions. : r/HVAC](https://preview.redd.it/f4e81kaeb0181.jpg?width=640&crop=smart&auto=webp&s=4eab215697e8c1f1ab989eb8818ca183381e3c7a)
Made a chart to calculate how much refrigerant to add for systems that don't have the correct liquid line size per the instructions. : r/HVAC
![Refrigerant line sizing – Part I: general principles and liquid lines | UNILAB - Heat Transfer Software Refrigerant line sizing – Part I: general principles and liquid lines | UNILAB - Heat Transfer Software](https://www.unilab.eu/wp-content/uploads/2018/01/unilab_heat_transfer_software_blog_refrigerant_line_3.jpg)