How do i get in contact with karcher? Email: [email protected] Email: [email protected] Email: [email protected] For queries related to our Full Control Plus Cashback offer please email [email protected] or call 0800 098 8292. Please do not use any other contact details regarding the Cashback offer.How do i contact karcher center chemtec? Phone: 0345-890 3600 (8.00am - 5.00pm) Address: Karcher Center Chemtec, 901 Honeypot Lane, Stanmore, HA7 1AR, . Alternatively, use this contact form and we will get back to you as soon as possible.Where is kärcher located in aurora co? 6398 N. Kärcher Way Aurora, CO 80019 FAQs, Local Retailers & Dealers, and Service Centers