This Braemar ICS Modulating Control Board (SY651989) is a direct replacement part designed to get specific Braemar gas heaters back up and running reliably. If your ducted gas heater is throwing control errors or acting up, often the PCB is the first place a tech looks after checking sensors.

Keeping your heating system operating safely and efficiently, especially during those chilly Aussie winters, means using genuine spares. This board handles the core logic for your heater's precise modulation and overall operation.

Best For

• HVAC technicians and gasfitters
• Experienced DIY owners undertaking heater maintenance
• Service and maintenance teams for residential ducted gas heating

Compatibility

This control board is specifically designed for Braemar ICS Modulating Gas Heaters. It's compatible with the following models: TQM5/6, SSQ5, and TQS4/5. This unit directly replaces the older part number 651446.

If you're running a different model, check fittings and specs before ordering.

Features

• Genuine Braemar ICS Modulating Control Board.
• Equipped with TRIAC components for precise modulation control.
• Direct replacement for original Braemar part number 651446.
• Ensures accurate heating control and reliable system operation.

What's in the Box

• 1x Braemar ICS Modulating Control Board (SY651989)

Using It on the Job

1. Isolate all power to the gas heater at the main switchboard and perform lockout/tagout procedures before commencing work.
2. Access the existing control board, usually located within the main control compartment of the heater.
3. Carefully disconnect all wiring harnesses and remove any mounting screws from the old board. It's often helpful to take photos for reference during reassembly.
4. Install the new Braemar SY651989 board, ensuring all connections are secure and correctly seated in their respective terminals.
5. Restore power and perform commissioning checks according to Braemar's service manual to confirm proper operation, safety cut-offs, and accurate modulation.

Limitations & Safety Notes

• Installation requires sound electrical and gas knowledge. If unsure, consult a licensed gasfitter or electrician.
• Always isolate power before attempting any electrical work to prevent injury or damage.
• This board is only for use with the specified Braemar gas heater models (TQM5/6, SSQ5, TQS4/5).
• Follow all Australian standards and manufacturer's instructions for installation, servicing, and safe operation.

Tradie Pro Tip: Before jumping straight to a board replacement, always rule out simpler faults like faulty sensors, ignition leads, or pressure switches with a multimeter. A quick diagnostic can save both time and unnecessary part costs.

Pair With

Pair with a reliable digital multimeter for fault finding and a range of universal spares like pressure switches or ignitors for comprehensive heater maintenance.