White-Rodgers F91-3889

White-Rodgers F91-3889 is a 120V coil replacement designed for the 25M valve, sold as an individual pack. This secondary coil delivers reliable signal, fast response, and consistent operation for HVAC control systems, helping valves actuate accurately in heating and cooling cycles.

As a genuine White-Rodgers replacement part, it ensures electrical compatibility, rated performance, and dependable service life for your 25M valve. Ideal for service technicians and DIY enthusiasts, this compact coil minimizes downtime by letting you service the valve without replacing the entire control module.

• 120V coil compatible with standard HVAC control circuits
• Engineered for use with White-Rodgers 25M valve
• Individually packed coil for easy stocking and replacement
• Durable secondary coil built to withstand regular cycling
• Simple installation with standard wiring connections