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White-Rodgers 48C21-707 Goodman Two-Stage Time Delay Relay Air Handler Control


  • Locke Part #: L2188
  • Mfg. Part #: 48C21-707
  • Manufacturer: White-Rodgers

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  • 48C Goodman style two stage control designed for variable speed inducers and blowers on communicating or legacy systems
  • 57T Trane style single stage blower time delay relay designed for PSC inducer and blower and allows residual cooled air to be blown into the controlled space, increasing the efficiency of the system in cooling
  • Frequency: 60 Hz
  • Input Voltage: 24 VAC
  • Number of Stages: 2
  • Power Source: Electric