Filling Loop Kit For Baxi Boiler 5119495

The Baxi filling loop kit is a reliable replacement designed to safely refill and maintain pressure in your boiler system. It connects the mains water supply to the central heating circuit, allowing you to top up pressure when it drops. As a result, it helps keep your boiler running efficiently and prevents heating or hot water issues.

However, a worn or leaking filling loop can cause pressure loss or overfilling problems. Therefore, replacing the correct kit ensures safe operation, stable pressure levels, and consistent heating performance across compatible Baxi boilers.

Compatibility :

• 836 Combi
• Duo Tec 24 / 28 / 33 / 40 HE
• Duo Tec HE A (Before & After Serial Variants)
• Duo Tec 2 GA Range (24 / 28 / 33 / 40)
• Duo Tec Combi ErP Range (24 / 28 / 33 / 40 – AC / BC / CC / DC variants)
• 24 / 28 / 40 Combi
• Combi HE (24 / 28 / 33)
• Combi Compact 28
• Combi ErP Range (24 / 28 / 33 / 40)
• Platinum Combi 33 HE
• Platinum Combi 40 HE / HE A
• Neta-Tec GA (24 / 28 / 33)
• Neta-Tec Plus Combi (24 / 28 / 33)
• 15 / 18 / 24 / 28 / 32 HE System
• Megaflo HE A (15 / 18 / 24 / 28 / 32)

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 Filling Loop Kit?
The filling loop kit allows you to safely add water to your central heating system, maintaining the correct boiler pressure. It connects your mains water supply to the heating circuit, making topping up pressure quick and easy.

2. How do I know when my filling loop needs replacing?
Signs include leaks around the filling loop, difficulty maintaining pressure, or unusual noises when topping up. A worn or damaged loop can also cause overfilling or pressure loss, so timely replacement ensures safe operation and consistent boiler performance.

3. Can I install the filling loop myself?
Yes, installation is generally straightforward, but it must be done carefully to avoid leaks. Always ensure the mains water supply is off before connecting. If unsure, it’s recommended to have a Gas Safe registered engineer perform the installation for safety and compliance.

4. Does the filling loop affect boiler efficiency?
Indirectly, yes. Maintaining the correct system pressure ensures optimal water flow and boiler efficiency. A faulty or missing filling loop can lead to pressure drops, causing the boiler to shut down or work harder, which reduces efficiency and may trigger fault codes.

5. How often should I use the filling loop kit?
You only need to use the filling loop when your boiler pressure drops below the recommended level (usually around 1-1.5 bar when cold). Regular boiler checks during servicing help identify pressure drops early, ensuring the system stays safe and efficient without unnecessary use of the filling loop.