The White Rodgers 21D28-6 Evaporative Cooler Control System is a complete and reliable solution for managing residential or light commercial evaporative coolers. This all-in-one kit includes the 1D51W-632 wall-mounted thermostat and the 8A18Z-2 transformer relay control panel, delivering precise temperature control and dependable fan/pump operation.Kit Includes:

• Thermostat (1D51W-632):
  – Mechanical, non-programmable
  – Temperature range: 55°F to 95°F
  – Mounting orientation: Horizontal
  – System switch: Off-Cool-Vent
  – Fan switch: Hi-Lo
  – Voltage: 24V
• Relay Control Panel (8A18Z-2):
  – Input Voltage: 120V/240V
  – Output Voltage: 24V
  – Power Consumption: 6 Watts (nominal with all relays energized)
  – Electrical Ratings:
  • Fan: 12A @ 120V, 6A @ 240V
  • Pump: 10A @ 120V, 5A @ 240V
    – Locked Rotor Ratings:
  • Fan: 72A @ 120V, 36A @ 240V
  • Pump: 60A @ 120V, 30A @ 240V
    – Ambient Operating Temp: 40°F to 150°F
    – Dimensions: 6" W x 8" H x 3" D

Key Benefits:

• Comprehensive control for 2-speed and single-speed evaporative coolers
• Simplified wiring and installation
• Durable design with dependable performance in high-temperature environments
• Easy-to-use thermostat interface for precise control

Perfect for upgrades or new installations, the White Rodgers 21D28-6 system provides efficient and intuitive control over cooler operations. Available now from Beenimax.com – your trusted source for HVAC components.