Programmable Thermostat

The Resideo R841C1227 is a single pole single throw (SPST) electric heat relay designed for precision control of electric heating equipment in commercial and residential applications. This switching relay operates seamlessly with two-wire, 24 VAC thermostats to manage loads up to 5,000 watts per relay, making it ideal for controlling baseboards, ceiling cable systems, and duct heaters. The unit cycles 4 to 6 times per hour in response to thermostat demands, with contacts engaging and disengaging in approximately 75 seconds for smooth, efficient operation. Built-in transformer technology eliminates the need for external components, simplifying installation and reducing system complexity. The relay operates quietly and mounts in any position, offering flexibility for various installation configurations. Engineered for reliability in demanding heating applications, the R841C1227 provides dependable switching performance that maintains consistent temperature control. This replacement unit is suitable for both new installations and retrofit applications where reliable electric heat management is essential. Its robust construction ensures long service life in industrial and commercial HVAC systems.