
Intertek-Tested &
Certified
When it comes to easy installation and peace of mind, MRCOOL® stands alone as the ONLY company with patented pre-charged line set valves that have been tested and certified by Intertek.
With the Intertek stamp of approval, homeowners and contractors alike can be sure that their pre-charged installation will be faster, safer, and fully compliant with industry standards.
Pre-Charged Valve Control Intertek Number
5029931
Certified Under
UL STD 207 | CSA STD C22.2 # 140.3

Rated to Handle 921 PSI
Built to last and tested for strength and leakage

Patent-Protected Design
No other line set has this level of certification or innovation

Versatile Usage
Works with R454B refrigerants

Intertek Certified
Backed by Intertek lab testing at Intertek Plano (TX) with full safety and pressure validation