This Bonaire 120°C overheat switch is a critical safety component for your Bonaire gas ducted heating unit. It's designed to trip and shut down the heater if internal temperatures exceed safe operating limits, protecting the appliance and preventing potential hazards. Anyone who's seen the aftermath of a unit running too hot knows the importance of these little switches.

Keeping your ducted gas heater running safely in the depths of an Aussie winter means relying on genuine spares like this to do their job without fail.

Best for: HVAC service techs, gas heater repair specialists, and competent DIY owners replacing faulty Bonaire safety components.

Compatibility

This overheat switch is specifically designed for Bonaire gas ducted heating units. The part number 5431606SP confirms its direct fitment for various Bonaire models. If you're running a different model, check fittings and specs before ordering.

Features

• Genuine Bonaire Part: Ensures direct fit and reliable performance as specified by the manufacturer.
• 120°C Trip Point: Calibrated to activate at 120 degrees Celsius, providing essential thermal protection.
• Critical Safety Device: Automatically cuts power to the burner if overheating occurs, preventing damage and potential hazards.

Technical Specifications

What's in the Box

• 1 x Bonaire Overheat Switch 120°C (CTSPS5431606SP)

Using It on the Job

1. Isolate Power: Before any work, ensure the gas heater's main power supply is completely isolated and locked out. Turn off the gas supply too.
2. Locate and Disconnect: Identify the existing overheat switch within the heater's compartment. Carefully disconnect the electrical terminals.
3. Remove Old Switch: Unmount the old switch, noting its exact position and orientation.
4. Install New Switch: Mount the new Bonaire 120°C switch in the same position, ensuring it's securely fastened and making good thermal contact if applicable.
5. Reconnect Wiring: Reconnect the electrical terminals firmly. Double-check all connections.
6. Test Functionality: Restore power and gas. Follow manufacturer guidelines for testing the heater and verifying the safety circuit operates correctly.

Limitations & Safety Notes

• This part is for Bonaire gas ducted units only. It may not be compatible with other brands or types of heating appliances.
• Installation of gas appliance components should only be performed by a licensed and qualified technician in accordance with Australian standards and local regulations.
• Always ensure power and gas supplies are completely isolated before attempting any work on the appliance.
• Do not attempt to bypass or override safety devices like this overheat switch.

Tradie Pro Tip

When replacing an overheat switch, always investigate why it tripped in the first place. A faulty switch is one thing, but restricted airflow, a dirty filter, or a failing fan motor can cause legitimate overheating and needs to be addressed. Don't just swap the part and walk away.

Pair With

Pair with other Bonaire heating spares like control boards, ignitors & sensors, or combustion fans to ensure your gas ducted heater runs safely and efficiently.