This Braemar Large Combustion Fan (SY642994) is a direct replacement part designed for specific Braemar ducted gas heaters. It's a critical component for safe and efficient operation, ensuring flue gases are properly exhausted from your system.
Anyone who's been on a frosty morning call-out knows the importance of a reliable combustion fan — no noise, no heat, no happy customer. Getting it right the first time saves you the call-back.
Best For
- Maintaining Braemar THM6 ducted gas heaters.
- HVAC technicians performing heater service and repair.
- Licensed gas fitters replacing critical gas appliance components.
Compatibility
This combustion fan is specifically designed for Braemar THM6 units. It suits THM632/X models with serial numbers from T13031831 onwards. If you're running a different model, check fittings and specs before ordering.
Features
- Direct replacement for Braemar part SY642994.
- Suitable for Braemar THM6 series ducted gas heaters.
- Ensures proper exhaust of combustion byproducts.
- Critical for maintaining safe and efficient heater operation.
What's in the Box
- 1x Braemar Large Combustion Fan (SY642994)
Using It on the Job
- Always isolate the electrical power and gas supply to the Braemar heater before commencing any work.
- Access the combustion fan compartment, usually located within the heater cabinet.
- Carefully disconnect the wiring harness and remove the mounting hardware securing the old fan.
- Install the new SY642994 fan, ensuring it's correctly oriented and all mounting points are securely fastened.
- Reconnect the electrical wiring, making sure all connections are tight and correct.
- Reassemble any removed heater panels, restore gas and power, and perform a full functional test to confirm proper operation and no error codes.
Limitations & Safety Notes
- Installation of this component must be performed by a currently licensed gas fitter in Australia.
- Always ensure power and gas supplies are isolated and locked out before working on gas appliances.
- Verify the exact part number (SY642994 or Seeley PN: 642994) and heater model against your system before ordering and installing.
- This fan is not designed for use with other heater brands or incompatible Braemar models.
- Follow all Australian standards and Safe Work guidance during installation.
Tradie Pro Tip
When you're swapping one of these out, always give the flue and heat exchanger a quick visual check for any blockages or cracks. A clear flue means the new fan won't be working overtime, and you might spot another issue before it causes a call-back.
Pair With
Pair with other Braemar spare parts for a complete repair, or a digital manometer for accurate pressure checks during commissioning and fault diagnosis.