Consumer Contact:
Bosch Thermotechnology at 800-323-1943 from 8 a.m. to 6 p.m. ET Monday through Thursday and Friday from 8 a.m. to 5 p.m. ET, via email at
[email protected]; or online at https://www.bosch-thermotechnology.us/us/en/residential/home/ and click on the “Knowledge” tab, then click on “Product Approvals, Certifications & Regulatory Info” for more information.