Braemar Small THM6 Combustion Fan

This Braemar Small Combustion Fan (SY641638) is a direct replacement part designed for specific Braemar THM6 series ducted gas heaters. It's essential for maintaining proper combustion airflow, ensuring your heater operates safely and efficiently by drawing in fresh air and expelling flue gases.

Keeping this fan running sweet helps avoid nuisance lockouts on cold Aussie mornings, ensuring your heater can reliably keep your space warm.

Best For

• HVAC technicians servicing Braemar THM6 ducted gas heaters.
• Experienced DIY owners performing maintenance on compatible Braemar units.
• Replacing a faulty or noisy combustion fan to restore heater operation.

Compatibility

This combustion fan is currently used in Braemar THM6 units. It is important to note that this fan does not suit THM632/X PRE S TT13031831 models. Always cross-reference your unit's existing part number with the provided Seeley PN: 641638 and SKU SY641638 to ensure a correct fit. If you're running a different model, check fittings and specs before ordering.

Features

• Genuine Braemar replacement combustion fan.
• Designed for use in specific THM6 series ducted gas heaters.
• Ensures correct airflow for safe and efficient combustion.
• Identified with Seeley Part Number (PN) 641638.

What's in the Box

• 1 x Braemar Combustion Fan Small (SY641638)

Using It on the Job

1. Power Isolation: Always isolate and lock out power to the heater at the main switchboard before starting any work.
2. Access: Carefully open the heater's cabinet to access the combustion fan assembly. Refer to the manufacturer's service manual for specific access points.
3. Disconnect: Unplug the electrical connections from the old fan and disconnect any flue pipe or ducting connections.
4. Remove & Install: Unbolt and remove the old combustion fan. Install the new Braemar fan, ensuring it's seated correctly and all mounting hardware is tightened.
5. Reconnect: Reconnect all electrical wiring and flue connections securely. Double-check all connections for tightness.
6. Test: Restore power and test the heater's operation to confirm the new combustion fan is working correctly and the heater is cycling as expected.

Limitations & Safety Notes

• This fan is specifically for Braemar THM6 units and does not suit THM632/X PRE S TT13031831 models. Verify compatibility before purchase.
• Always isolate power to the appliance before attempting any installation or repair work.
• Installation should be performed by a competent person. Gas appliance work must be carried out by a licensed gas fitter in Australia.
• Follow all Australian standards and Safe Work guidance when performing maintenance on gas appliances.

Tradie Pro Tip

When replacing a combustion fan, take a moment to inspect the entire flue path for any obstructions or signs of animal nests. A clear flue ensures the new fan can do its job without restriction and keeps the heater running safe and clean.

Pair With

Consider pairing this fan with other Braemar spare parts like gas valves, control boards, or pressure switches, especially if troubleshooting a wider system issue. You might also find general gas fitting tools or a good quality digital manometer helpful for testing after installation.