Carrier 317659-402 Filter (Fan Coil Filter 16.5" x 21.5" x 1")
An official OEM fan coil air filter used in compatible Carrier HVAC equipment to trap airborne pollutants and help maintain proper airflow and system performance.
Key Features:
- Official OEM Filter 317659-402 for Carrier HVAC equipment
- Filter dimensions: 16.5" x 21.5" x 1"
- SupplyHouse notes this item replaces KFAFK0201MED
Compatibility & Applications:
- Listed for Carrier HVAC equipment
- Intended as a fan coil filter in the listed size
- Must only be used where the manufacturer specifies this exact part number: 317659-402
Installation & Operation Notes:
- Installation should be performed by a qualified HVAC technician or a homeowner following the equipment manufacturer's instructions for filter access and orientation.
- Refer to the unit's service/installation manual for the correct filter location, airflow direction, and cabinet/duct fit requirements.
- The provided sources do not include model-specific installation steps beyond size identification; follow the unit documentation.
Maintenance & Troubleshooting:
- Carrier explains that air filters are typically located in or near the air handler and are used to trap airborne pollutants, helping keep system components cleaner and maintain airflow.
- Carrier notes a dirty or clogged filter can restrict airflow, which can reduce performance, increase energy use, and place additional strain on components.
- If comfort or airflow issues persist after replacement, confirm the filter is correctly seated and that the correct size/part number is installed per the equipment documentation.
Certifications & Compliance:
- No separate certifications or listings are explicitly stated for this filter in the provided sources.
User Reviews & Q&A Summary:
- Reviews commonly describe it as exactly as advertised and the correct filter for the application, with multiple comments noting careful packaging and that it arrived in good condition.
- Several reviewers mention buying spares for convenience and note that it can be hard to find locally.
- Q&A guidance includes confirmation that 317659-402 / KFAFK0201MED corresponds to a Carrier fan coil filter with dimensions 16.5" x 21.5" x 1".