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                DEFROST CONTROLS
 Model Description OEM Replacement
     • Simple time and temperature control
ICM300
ICM301 ICM302
ICM303
ICM304
ICM307
ICM315 • Time and temperature control   • Ranco: E-15
• Must Have external relays for Fan, Reversing Valve and Auxiliary Heat
• High installed base
  • Simple time and temperature control
• Must Have external relays for Fan, Reversing Valve and Auxiliary Heat
• High installed base
         • Time and temperature control with integral Anti-short Cycle Timer
 • Outdoor fan and Reversing Valve Relay integrated into design
  • Field wiring connections provided
 • Time and temperature control with integral Anti-short Cycle Timer
 • Outdoor fan and Reversing Valve Relay integrated into design
• Safety Switch Lockout function included
• Rheem: 47-21776-06 • ICM: DFOSP24A2
• White Rodgers: 90-621
• Therm-o-Disc: 26E-10
• Robertshaw: TD-10
ICM Control
  • Amana: C64301-1 C6431001
• Rheem: 47-21776-01
 • Artesian: 10321-00
• Arcoaire: 32312-00
• Carrier: 621
• Coleman: 3030A374
• Goodman: B12260-06 • Heil Quaker:
• Snyder General: 1395-329
HQ1052757
• ICP:1052757
• ICM: DFSOS24A2
• Intertherm: 6208800 • Lennox: 33G9501
• Honeywell: ST74A 1004 ST74A 1020 ST74A 1038
          • Nordyne: 621301A, 621579B, 621579C
• ICM: DFORB-AB1004
• York: 9218-3741 03101251000
• Evcon: 9218-374 • ICM: DFORF
                   • Outdoor Fan and Reversing Valve Relay integrated into design
 • Anti-banger feature energizes the Reversing Valve 10 seconds after the Outdoor Fan Relay allowing for pressure equalization
    • Simple time and temperature control • Integral short cycle protection
• High installed base
• ICP: 1069364
• ICM: AF1013 with reset
• Lennox: 86G16 • Ranco: DT2
• Fast: 1093410
    • Solid state replacement for Ranco       • Avion: DFT100
            E15 control
• ICM: AA1010-EI5
Prices subject to change without notice 323 © 1971 - 2018 w.d. armstrong corp.
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