Description

Emerson 21M51U-843 Integrated Furnace Controls Universal Replacement

Replaces:

• Lennox
• 18M3401, 46M9901, 83L9301
• White-Rodgers
• 21M51U-843, 50M61-843, 50M61-288, 50M61-289, 50M61-120, 50M61-495, 50M61-242, 50M61-495
• Trane
• KIT15943, CNT03077, CNT6424, D344301P01, X13650839010
• Goodman
• 20300001, 20300003, PCBBF120S, PCBBF125

Features:

• Reduces inventory by providing maximum control replacement coverage
• Models include a universal 120V nitride ignitor to allow replacement of 80V and 120V controls
• Diagnostic LED indicators streamline installation and system troubleshooting
• 120V air cleaner output and 120V humidifier output up to 1 Amp max
• Factory standard safety timings and adjustable fan delay options
• Replaceable automotive style fuse

Specifications:

• Multiple Input Voltages – 24 Vac, 120 Vac, 50/60 Hz
• Amp Rating – 14.5 FLA-25.0 LRA @ 120 Vac (Circulator Relay)
• Ambient Operating Temperature 
• Operating Humidity – 5% to 93% relative humidity (non-condensing)
• Accessories – Includes Ignitor
• Approvals – CSA (Canada & US)

Documents

Instructions