Direct Replacement: Seamlessly replaces the Honeywell RDS-18 18-inch round damper models

While the 12V DC coil is standard for this model

The Functional Devices RIB2421C is a contractor-grade enclosed pilot relay designed for seamless integration into building automation systems (BAS) and HVACR control circuits

600 BTU on liquid propane

This size 8 elastomeric coupling element features a single piece solid design that simplifies installation and provides consistent torque distribution across the drive system

Johnson Controls V46BA-2 Regulating Valve THPU32HP7Y Direct Replacement: Seamlessly replaces theThe Johnson Controls V46BA 2 is a heavy duty, direct acting water regulating valve engineered for precision head pressure control in maritime and salt water applications. Built with a 3 8" NPT connection and a maritime type cast naval bronze body, this valve features Monel interior parts to resist the corrosive effects of sea water and harsh environments. Designed for use with non corrosive refrigerants, it operates on a wide 70 to 260 PSI opening