The relay monitors the back-EMF generated by the motor

With the inducer running and a manometer connected

Key Benefits for the Technician Environmental Resilience: NEMA 4 enclosure provides superior protection against wash-down and harsh weather conditions

Built with a SPDT (Single-Pole Double-Throw) switch configuration

Sporlan 903072P Control 30067439-890 The relay monitors the back-EMFWhen you're dealing with air cooled condensing units in regions with fluctuating temperatures, maintaining a consistent head pressure is a requirement, not an option. The Sporlan 903072P, also known as the LAC 5 210, is a heavy duty, three way modulating head pressure control valve designed specifically for low ambient conditions. This valve utilizes a 5 8" ODF connection and features a factory preset 210 PSI setting to ensure your system maintains a