# Precor 9.21s Treadmill Circuit Breaker & Relay Switch Power On Off

\## Precor 9.21s Treadmill Circuit Breaker and Relay Switch

The PP470 Precor 9.21s Treadmill Circuit Breaker & Relay Switch is a preowned power-control component for the Precor 9.21s treadmill. This part combines the circuit breaker and relay switch functions used to control the treadmill’s power on and off operation. If your treadmill has a damaged, worn, or faulty power switching component, this replacement part may help you restore the equipment’s normal power-control function.

This product is listed under \*\*Power Switches\*\* and carries the product code \*\*PP470\*\*. It is supplied as a used fitness equipment part and has been carefully inspected by skilled technicians before sale. The inspection helps confirm the part’s condition and supports safe, practical reuse of components from existing fitness equipment.

## Product Details and Benefits

\- \*\*Product name:\*\* Precor 9.21s Treadmill Circuit Breaker & Relay Switch Power On Off  
\- \*\*Brand:\*\* Precor  
\- \*\*Compatible model:\*\* Precor 9.21s treadmill  
\- \*\*Product type:\*\* Circuit breaker and relay switch  
\- \*\*Part number/SKU:\*\* PP470  
\- \*\*Barcode:\*\* PP470  
\- \*\*Condition:\*\* Preowned  
\- \*\*Primary function:\*\* Treadmill power on/off control

The circuit breaker and relay switch form part of the treadmill’s electrical power system. The circuit breaker provides the switching and protection function associated with the treadmill’s power circuit, while the relay switch controls the power connection during operation. Replacing a faulty component can support repair work and may help extend the service life of an existing Precor treadmill.

Because this is a preowned part, it offers a practical option for repair technicians, fitness equipment owners, and service businesses that need a replacement power switch assembly without replacing the entire treadmill. Reusing inspected fitness parts also helps keep usable equipment components in service and reduces unnecessary waste.

## Compatibility and Applications

The PP470 circuit breaker and relay switch is identified for use with the \*\*Precor 9.21s treadmill\*\*. It is intended for treadmill repair or replacement applications involving the power on/off switching system. Before ordering, compare the part with the component currently installed in your treadmill and confirm that the model and connector arrangement match.

This listing is for the specific Precor 9.21s power switch component. Compatibility with other Precor treadmill models is not stated, so do not assume that the part fits a different model unless the equipment manufacturer or a qualified technician confirms compatibility.

## Before You Buy

The product is \*\*preowned\*\*, not new. Product photos are provided for reference, and the seller carries multiple units. Individual parts may have slight visual differences because of normal variation between used components. However, the seller states that the supplied item will be the exact model and part listed.

Check that your treadmill is a \*\*Precor 9.21s\*\* and that \*\*PP470\*\* matches the part you need. If you need additional details before ordering, contact the seller for assistance.

## Details

- **Price:** 64.99 USD
- **Vendor:** Precor
- **Type:** Power Switches
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 64.99 USD | In stock |

## Images

- PP470
- PP470
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## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/precor-9-21s-treadmill-circuit-breaker-relay-switch-power-on-off)
> Updated: 2026-08-29