Baxi Boiler 5114767 Hall Effect Sensor

This Baxi Hall Effect Sensor 5114767 monitors the rotation of your boiler’s pump or fan, sending accurate signals to the control board to ensure safe and efficient operation. Over time, a faulty or worn sensor can cause boiler faults, system lockouts, or incorrect operation. Replacing the correct Hall Effect Sensor restores reliable performance, prevents nuisance errors, and helps maintain smooth, trouble-free operation across compatible Baxi boilers.

Compatibility :

• 105 HE A Instant
• Duo Tec : 24 HE / 24 HE A (Before & After Serial Variants)
• Duo Tec : 28 HE / 28 HE A (Before & After Serial Variants)
• Duo Tec : 33 HE / 33 HE A (Before & After Serial Variants)
• Duo Tec : 40 HE / 40 HE A (Issue 8)
• Combi ErP : 24 / 28 / 33 / 40 (All Serial Variants)
• Combi : 24 HE, 28 HE, 33 HE
• Platinum Combi : 24 / 24 HE A (Before & After Serial Variants)
• Platinum Combi : 28 / 28 HE A (Before & After Serial Variants)
• Platinum Combi : 33 / 33 HE A (Before & After Serial Variants)
• Platinum Combi : 40 / 40 HE A
• Combi ERP : 24 / 28 / 33 / 40 (All Serial Variants)

Important fitting advice

We recommend that all parts are fitted by a fully qualified Gas Safe registered engineer. If you need help confirming the right part, contact us our team has 10+ years of boiler spares knowledge and friendly chat support to help you quickly.

Delivery

At Boiler Spares Hub, we dispatch orders within 1 working day (Monday-Friday). Orders placed outside working days will be dispatched on the next working day. For delivery options available for this product, please add it to your basket or check our delivery options page.

Returns

We accept 30-day returns. Returns must be in an unopened, sealed box. If we find the item has been used or installation was attempted, we may refuse the return.

Frequently Asked Questions (FAQs)

1. What is a Baxi Hall Effect Sensor?
The Hall Effect Sensor monitors the rotation of your boiler’s pump or fan, sending precise signals to the control board. This ensures the boiler operates safely, efficiently, and only runs when components are moving correctly.

2. How do I know if the sensor is faulty?
Common signs include boiler lockouts, error codes, irregular fan or pump operation, or the boiler failing to fire. Repeated system faults or intermittent operation often indicate a worn or damaged Hall Effect Sensor.

3. Can I install the Hall Effect Sensor myself?
While installation is relatively straightforward, it involves handling electrical connections inside the boiler. Only a Gas Safe registered engineer should replace the sensor to ensure safety and proper operation.

4. Does a faulty sensor affect boiler efficiency?
Yes. A malfunctioning Hall Effect Sensor can prevent the boiler from firing, cause frequent lockouts, or trigger incorrect fan/pump operation. Replacing it restores normal operation, ensures smooth heating, and prevents unnecessary system stress.

5. How long does a Hall Effect Sensor last?
The lifespan depends on usage, boiler operation, and system conditions. Most sensors last several years, but wear or electrical faults over time can cause failure. Replacing a worn sensor proactively prevents boiler errors and protects overall system reliability.