# NordicTrack 1750 NTL14221.2 Treadmill Audio Bluetooth Board ZD0702 (CB4)

\## NordicTrack 1750 NTL14221.2 Treadmill Audio Bluetooth Board ZD0702 (CB4)

The NordicTrack 1750 NTL14221.2 Treadmill Audio Bluetooth Board ZD0702 is an internal control board for the treadmill’s audio and Bluetooth functions. It is designed for use with the NordicTrack 1750 treadmill identified by model number NTL14221.2. If the treadmill’s audio or Bluetooth board has failed or needs replacement, this component can help restore the correct internal hardware, provided the existing part matches the same board identification.

## Product Details and Benefits

This product is a treadmill audio Bluetooth board, not a complete treadmill, speaker, console, or external Bluetooth accessory. The board serves as the internal component associated with the treadmill’s audio and Bluetooth system. It is supplied as an individual electronic control board for the specified NordicTrack equipment.

The board identification shown for this product is \*\*ZD0702\*\*, and the local product name is \*\*CB4\*\*. The product SKU and barcode are also listed as \*\*CB4\*\*. These identifiers can help you compare the replacement part with the board currently installed in your treadmill before ordering.

Replacing a matching internal board may help address problems related to the treadmill’s built-in audio or Bluetooth hardware. The correct part can also help avoid replacing the entire treadmill or console when the issue is limited to this specific board. Actual results depend on the condition of the treadmill, the cause of the fault, and proper installation.

## Compatibility and Applications

This audio Bluetooth board is listed for the following equipment:

\- \*\*Brand:\*\* NordicTrack  
\- \*\*Equipment type:\*\* Treadmill  
\- \*\*Compatible model:\*\* NordicTrack 1750 NTL14221.2  
\- \*\*Part identification:\*\* ZD0702  
\- \*\*Product/SKU identification:\*\* CB4

The board is intended for the internal audio and Bluetooth system of the NordicTrack 1750 NTL14221.2 treadmill. It should not be assumed to fit other NordicTrack treadmill models, different treadmill series, or equipment from another brand unless the manufacturer or a qualified technician confirms compatibility.

This part may suit customers searching for a NordicTrack 1750 audio board, NordicTrack treadmill Bluetooth board, NTL14221.2 replacement board, or ZD0702 control board. It is especially relevant when the original board has the same model or part marking.

## Why Choose This Product

Choosing a board with the correct model and part identifiers helps reduce compatibility problems during repair. The compact component focuses on the treadmill’s audio and Bluetooth system, making it a suitable part to investigate when those functions do not operate as expected. Matching the replacement to the original board can also make it easier for a repair professional to identify the correct component.

## Before You Buy

Check that your treadmill shows model \*\*NTL14221.2\*\* and compare the existing audio Bluetooth board with part number \*\*ZD0702\*\* and identifier \*\*CB4\*\*. Verify all markings before ordering. Installation details, dimensions, materials, package contents, condition, and warranty information are not provided in the available product information. Disconnect the treadmill from power and consult a qualified technician if you are unsure how to access or replace an internal control board.

## Details

- **Price:** 39.99 USD
- **Vendor:** NordicTrack
- **Type:** Miscellaneous Control Boards
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 39.99 USD | In stock |

## Images

- CB4
- CB4
- CB4
- CB4
- CB4

## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/nordictrack-1750-ntl14221-2-treadmill-audio-bluetooth-board-zd0702-cb4)
> Updated: 2026-08-29