PSAM line sets are engineered to withstand typical operating pressures of high‑efficiency R410A heat pumps

https://cruzfyfs879.nexorafield.com/posts/mini-split-line-set-precharged-vs-standard-what-s-the-difference

PSAM line sets are engineered to withstand typical operating pressures of high‑efficiency R410A heat pumps and ductless mini split systems.