Lennox Y8726 Integrated Furnace Control Board Kit

Lennox Y8726 Replacement Part

Includes:

• (1) - Integrated Furnace Control Board (Y8726)
• (1) - 12-Wire Harness Assembly (-)
• (1) - 4-Wire Harness Assembly (-)
• (1) - Control Label (-)
• (2) - Black Zip Tie (-)
• (4) - Mount Standoffs (-)
• (1) - Installation Instructions (37-7616B)

Specifications

• Manufacturer: White-Rodgers
• Model # 50M56U-801
• Application: Single Stage
• Input Voltage: 25 VAC @ 60 Hz
• Max Input Current: 0.45 Amps @ 25 VAC
• Gas Valve Relay: 1.5 Amps 0.6 PF @ 30 VAC
• Ignitor Relay: 1.2 Amps @ 120 VAC
• Inducer Relay: 2.8 Amps @ 120 VAC
• Circulator Relay: 10 Amps FLA @ 120 VAC
• Circulator Relay: 25 Amps LRA @ 120 VAC
• Humidifier Load: 1.0 Amps @ 24 VAC or 120 VAC
• Electronic Air Cleaner: 1.0 Amps @ 120 VAC
• Minimum Current to Insure Flame Detection: 0.25 ua DC
• Maximum Current for Non-Detection: 0.1 ua DC
• Maximum Allowable Leakage Resistance: 100M Ohms
• Operating Temperature Range: -40°F to 175°F (-40° to 80°C)
• Humidity Range: 5% to 93% Relative Humidity (Non-Condensing)
• Flame Establishing Time: 0.8 Seconds
• Flame Failure Response Time: 2.0 Seconds
• Board Dimensions (LxW): 5 7/8" x 4 7/8"

Country of Origin: Mexico

Replaces Old Lennox Part Numbers

• X4459
• 56L85
• 12L42
• X445901
• 56L8501
• 12L4201

Replaces Old Allied, Armstrong, Concord, Ducane Part Numbers:

• X4459
• 56L85
• 12L42
• X445901
• 56L8501
• 12L4201

Other Part Numbers

Integrated Furnace Control, White Rodgers, OEM DIRECT, 150-1178, 11806510901832, 5189C, 5001 9033, 1810, EMERSON, 50M56U-801, 7 86710 55341 7, 0115 030300 REV B, 0115 030200 REV B, 0092 103800, 5001 9033, 1810, White-Rodgers 50M56U-801 Integrated Furnace Control, 120V HSI Ignition, Single Stage, 2 or 3 Speed PSC Blower Motor

Fits Models:

(Press ctrl + F to find model number below.)

Various. (Call 734-326-3900 with your model and serial number for more information.)

Fits Allied, Armstrong, Concord, Ducane, Magic Chef, and Magic-Pak Models:

(Press ctrl + F to find model number.)