
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 DIY® installation will be faster, safer, and fully compliant with industry standards.
- DIY Valve Control Intertek Number: 5029890
- 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
- Works with R454B Refrigerants
- Backed by Intertek lab testing at Intertek Plano (TX) with full safety and pressure validation
- Patent-Protected Design: no other line set has this level of certification or innovation
