White-Rodgers W8A18Z2

Grey Evaporative Cooling Control Panel

Item # BCI2138401   |   Model # W8A18Z2   |  Non-Programmable Single Stage Thermostats Collection

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Evaporative Cooling Control Panel

The 8A18Z-2 is designed to work with the 1F51N-619 thermostat, which together are the components of the 21D28-6, found elsewhere on these pages.


  • Designed to operate with White-Rodgers 1F51N-619 thermostat
  • Integral transformer for 120 VAC or 240 VAC to 24 VAC
  • Relay panel removable for field wiring
  • Separate fan and pump relays
  • High or low fan speed selection
  • Lightweight, weather-resistant plastic case meets all code requirements


  • Secondary Voltage: 24 VAC
  • Combined Relay Loads (Full Load)
  • 16.0 A @ 120 VAC
  • 8.0 A @ 240 VAC
  • Combined Relay Loads (Locked Rotor)
  • 48.0 A @ 240 VAC
  • 96.0 A @ 120 VAC
  • Fan Relay (Full Load)
  • 12.0 A @ 120 VAC
  • 6.0 A @ 240 VAC
  • Fan Relay (Locked Rotor)
  • 36.0 A @ 240 VAC
  • 72.0 A @ 120 VAC
  • Pump Relay (Full Load)
  • 10.0 A @ 120 VAC
  • 5.0 A @ 240 VAC
  • Pump Relay (Locked Rotor)
  • 60.0 A @ 120 VAC
  • 30.0 A @ 240 VAC

White-Rodgers, a recognized leader in climate control solutions, celebrates 75 years of business in 2012. Experience, integrity and customer service are still the tenets that mark this great company. From the humble beginnings of two engineers collaborating to solve the control problem of the day, to being the answer for your climate control needs, White-Rodgers is the respected name among industry professionals and home owners alike.

Additional White-Rodgers Links

This White-Rodgers item can also be referenced by the following color/finish specific model #:

  • White-Rodgers W8A18Z2

*Discontinued model or finish

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