This Brivis pressure switch, part number BS80021373, is crucial for keeping gas ducted heaters running safely and efficiently. It's a key component for HVAC technicians and competent DIYers maintaining Brivis heating systems, ensuring correct airflow proving before the burner fires. In the middle of winter, a faulty pressure switch can shut down a whole system, leaving families in the cold, so having a reliable replacement on hand is good practice.

This genuine Brivis replacement part guarantees your heater's safety interlocks function as intended, preventing unsafe operation and costly breakdowns. Getting your heater sorted fast often means having the right spares on the shelf or finding them quickly.

Best For

• HVAC service technicians
• Gas appliance specialists
• Maintenance teams for ducted heating systems
• Competent DIY owners of Brivis gas heaters

Compatibility

• Specifically designed as a direct replacement for Brivis Gas Ducted Heaters.
• Identified by manufacturer part number NS2-1072-00.
• Also known by Brivis Part Numbers 80021373 and B021373.
• Rated for an 80Pa differential pressure, matching original equipment specifications.

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

Features

• Exact OEM Replacement: Matches Brivis PNs 80021373, B021373, and NS2-1072-00 for a perfect fit and function.
• Precise 80Pa Activation: Factory-set to trigger at 80 Pascals, ensuring accurate airflow monitoring.
• Essential Safety Device: Prevents burner ignition without proper combustion air and flue draft.
• Reliable Performance: Engineered to meet Brivis's operational standards for longevity and safety.

Technical Specifications

What's in the Box

• 1 x Brivis Gas Ducted Heater Pressure Switch NS2-1072-00 (80Pa)

Using It on the Job

1. Always isolate mains power to the heater at the switchboard before starting any work. Apply lockout/tagout procedures if available.
2. Locate the existing pressure switch, typically found near the combustion fan or flue assembly within the heater cabinet.
3. Carefully disconnect the two small silicone or rubber sensing tubes and the electrical wiring from the old switch. Make sure to note or photograph their original positions for correct reconnection.
4. Remove the old switch from its mounting bracket. Install the new Brivis pressure switch, ensuring it's mounted securely in the same orientation.
5. Reconnect the tubing and electrical wiring exactly as they were. Double-check all connections are tight and secure.
6. Restore power to the heater and perform a functional test, observing the burner ignition sequence and ensuring the switch cycles correctly. Verify heater operation.

Limitations & Safety Notes

• Installation and servicing of gas appliances must be carried out by a licensed gas fitter in Australia.
• Only suitable for the specified Brivis Gas Ducted Heater models requiring an 80Pa pressure switch as a replacement for part numbers NS2-1072-00, 80021373, or B021373.
• Always follow manufacturer's instructions and relevant Australian Standards (e.g., AS/NZS 5601 for gas installations) and Safe Work guidance.
• Ensure all gas connections are leak-checked after any related work that might involve gas line disturbance.

Tradie Pro Tip

When troubleshooting a pressure switch, always check the integrity of the sensing tubes first. A crack or blockage can mimic a faulty switch, costing you time and money replacing a perfectly good part. Clear any debris from the flue termination too, as this can affect differential pressure.

Pair With

Pair with other Brivis heater spare parts like ignitors, control boards, or gas valves to ensure your system is fully maintained. For diagnostic work, a quality digital manometer is essential for verifying actual differential pressures across the switch ports.