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The ICM2808 is a low cost fit, form and functional replacement for the York S1-331-03010000 and S1-331-02956000 furnace control boards.
Features:
- Controls gas valve, Ignitor, blower motor, Inducer, humidifier, and air cleaner.
- Microprocessor-based precision
- Designed for 100% gas shutoff in case of ignition failure
- Twinning compatible with another ICM2808 control
- Reverse polarity protection
- Secondary brownout voltage protection
- Compatible with 24 VAC standard thermostat
- Provides dual-color diagnostic LED to aid in troubleshooting
Product Features
- Universal Furnace Electronic Fan Timer control for single stage furnaces with PSC inducer and blower motors
- Works with non-integrated furnace controls or intelligent gas valves
- Six mounting hole options
- Harnesses with terminal flags for easy wiring
- Terminals are labeled to match multiple existing boards
- Transformer connections offer 1/4" and 3/16" terminals
- Tri-Color LED displays status and fault codes
- Exclusive fault recall button
Product Specifications
- Stages: Single Stage
- Operating Voltage: Input 24 Vac, 60 Hz
- Line Voltage: 115-230 Vac, 60 Hz
- Inducer Motor/Blower Motor: PSC
- Ambient Operating Temperature: -40 to 175°F (-40 to 80°FC)
- Humidity Range: 5% to 95% relative humidity (non-condensing)
Product Specifications:
- Description: 1/2 in. NPT x 1/2 in. NPT Intermittent Hot Surface Pilot Ignition SmartValve Control with fast-fast opening and 3.4 in. wc pressure regulator setting
- Flame Sense: Electrode
- Type of Gas: Natural
- Ignition System Type: Intermittent Hot Surface Pilot Ignition
- Ignition Sequence: Intermittent Pilot
- Ignition Source: Pilot
- Ignition Trials To Lockout: Continuous Retry
- PrePurge: None
- Body Pattern: Straight-through
- Opening Characteristics: Fast-Fast Opening
- Ignition Trial Time (sec): 90 sec
- Electrical Ratings: 24 Vac
- Frequency: 60 Hz; 50 Hz
- Flame Failure Response Time (sec): 1.6 sec @ 3 µA
- Ambient Temperature Range (F): -40 F to +175 F
- Ambient Temperature Range (C): -40 C to +79 C
- Pressure Regulator Setting (psi): 3.4 in. wc
- Pressure Regulator Setting (kPa): 0.87 kPa
- Pressure Ratings (psi): 1/2 psi
- Pressure Ratings (kPa): 3.45 kPa
- Inlet/Outlet Size (in.): 1/2 in. NPT x 1/2 in. NPT
- Maximum Capacity (ft³/hr): 200 ft³/hr
- Maximum Capacity (m³/hr): 5.7 m³/hr
- Minimum Capacity (ft³/hr): 20 ft³/hr
- Minimum Capacity (m³/hr): 0.6 m³/hr
- Maximum Capacity at 1 in. P.D. (ft³/hr): 150 ft³/hr
- Maximum Capacity at 1 in. P.D. (m³/hr): 4.2 m³/hr
- Pilot Gas Outlet: Yes
- Typical Ignition Hardware: Q3450
- Approvals, American Gas Association IAS: IAS Design Certified: C2030017
Maintenance & Troubleshooting:
- This capacitor is typically replaced when diagnostics indicate a run capacitor is out of specification or when motor operation issues are traced to the dual run capacitor (diagnostic procedures are not provided in the supplied sources).
- If issues persist after replacement, confirm the installed capacitor matches the required MFD and voltage ratings and that all connections are correct per the equipment documentation.
Certifications & Compliance:
- Manufacturer listing states UL & cUL for these capacitors.
User Reviews & Q&A Summary:
- Review themes commonly describe it as a correct replacement capacitor that restores cooling operation when a failed capacitor is replaced.
- Many comments focus on getting the right part quickly and returning equipment to service, with frequent notes about straightforward replacement once the correct rating is confirmed.
Product Highlights
Intermittent Hot Surface Pilot   
2Â Â Â 
8" Height   
1-1/4" DepthSpecs
| Product Type: | Control Board |
|---|---|
| Operating Temp Range: | -40° to 176°F |
| Humidity Range: | 5% to 95% Relative Humidity (Non-Condensing) |
| Voltage Range: | Line (98 - 132 VAC) @ 60Hz |
| Control Voltage: | 18-30 VAC |
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