When you are upgrading an older Nordyne furnace for air conditioning or heat pump compatibility

this precision HVAC sensor offers the durability needed for demanding mechanical room environments without unnecessary complexity

these Spence valve parts ensure a leak-free seal and optimal fluid dynamics across the pilot circuit

protecting the motor shaft and extending the service life of the drive assembly

Always verify your motor's lead orientation before installation

Emerson Alco 097993 Control 30067439-890 When you are upgrading anThe Emerson Alco 097993 Control (Model FSX 42S) is a high performance electric fan speed control designed to optimize head pressure in air cooled condensers. Engineered for 230Vac systems, this pressure actuated controller modulates fan speed between 190 360 PSI, maintaining stable refrigeration cycles even as ambient temperatures fluctuate. Built with a 1 4" flare connection (7 16" 20 UNF), the unit mounts directly to the system, facilitating a