Replacement 8-pin intake/exhaust keypad for compatible Maxxair MaxxFan Deluxe roof vent fan controllers.
The Maxxair 10-21299K is a replacement 8-pin keypad used on compatible MaxxFan Deluxe roof vent fan controllers. If the original keypad is worn, cracked, unresponsive, damaged, or no longer registering button presses correctly, replacing the keypad may help restore normal fan control.
This keypad is commonly listed for MaxxFan Deluxe 5100K and 6200K roof vents. It provides control for fan operation, vent lid position, intake/exhaust direction, auto mode, and thermostat set temperature.
Replacement keypad for compatible Maxxair vent fan controller assemblies
Includes IN/OUT direction control for compatible reversible airflow fans
Supports automatic fan operation through thermostat-based control
Commonly listed for MaxxFan Deluxe 5100K and 6200K roof vents
This keypad is not universal for every Maxxair roof vent. It is specifically identified as an 8-pin intake/exhaust keypad and is commonly listed for MaxxFan Deluxe 5100K and 6200K roof vents. Before ordering, confirm your existing keypad uses an 8-pin connection and compare your roof vent model number.
Before Starting: Disconnect 12V power to the roof vent fan before servicing keypad or controller components. Basic Replacement Steps: 1. Confirm Fit: Verify your MaxxFan model and confirm the existing keypad uses an 8-pin connection. 2. Disconnect Power: Turn off power to the fan circuit to prevent electrical damage or accidental operation. 3. Access Keypad: Remove the existing keypad or control face as needed to access the connector. 4. Document Connection: Take a photo of the existing keypad and connector orientation before removal. 5. Remove Old Keypad: Disconnect the old keypad carefully without damaging the controller connector or wiring. 6. Install New Keypad: Connect the replacement keypad and seat it in the correct position. 7. Restore Power: Reconnect power and test fan operation, direction, lid control, and auto mode.
Package Contents: • Maxxair 10-21299K 8-pin replacement keypad NOT Included — May Also Need: • Wall control panel • Roof vent circuit board • Fan motor • Lift motor or operator parts • Wiring harness or connector repair parts • Complete roof vent assembly This listing is for the replacement keypad only. If the fan still does not respond after replacement, inspect the controller board, wiring, power supply, and fan components.
To confirm compatibility before ordering, have the following ready: • Roof vent / fan model number • Existing keypad pin count • Photos of the old keypad and connector, if available • Description of the fan/control issue being diagnosed Why this matters: Maxxair keypads can vary by fan model and connector style. Matching the fan model and 8-pin keypad connection helps avoid ordering a keypad that looks similar but does not connect or function correctly.
Match this keypad by Maxxair roof vent model and 8-pin connector style. Similar-looking Maxxair keypads may use different pin counts or control layouts.
If replacing the keypad does not restore operation, inspect the fan’s 12V power supply, fuse, wiring, connector, controller board, and fan motor before replacing additional parts.