Annex LL of UL 60335-2-40 / CSA C22.2 No. 60335-2-40 | Fact Sheet

Recent updates to Annex LL in UL 60335-2-40 / CSA C22.2 No. 60335-2-40 introduce important changes to testing requirements for refrigerant detection systems and sensors. These updates may impact existing certifications and require additional evaluation or testing. Intertek offers expert support to help HVAC/R manufacturers understand these changes, maintain compliance, and ensure continued market access. Fill out the form below to download our fact sheet to learn more.