If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Honeywell 2MLL‑CH2B Relay / Control Module Introduction The Honeywell 2MLL‑CH2B is a control/relay module designed to interface with Honeywell logic and safety systems, providing reliable switching, contact outputs, and relay-based control for various automation and safety functio *Your Name: *Your Email: *Your Name: *Vdcode: Submit