Baxi Water Valve 5110959 Fits Selected Baxi Boilers

The Baxi water valve 5110959 controls water flow within compatible Baxi boiler systems and helps support smooth hot water operation. Therefore, it plays an important role in maintaining steady boiler performance. However, if the valve becomes worn, blocked, or faulty, it can affect water movement and hot water delivery. Replacing the faulty valve helps restore better flow control and reliable day-to-day boiler operation.

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 does the Baxi water valve 5110959 do?
The water valve helps control the movement of water inside the boiler.
As a result, it supports stable hot water operation and normal boiler performance.

2. What part number should I check before ordering?
You should check manufacturer part number 5110959 before buying.
Also match your boiler model and GC number to confirm correct compatibility.

3. What problems can a faulty water valve cause?
A faulty water valve can affect water flow and reduce hot water performance.
It may also cause irregular operation if the valve sticks, blocks, or wears out.

4. Is this part suitable for all Baxi boilers?
No, this part only fits selected Baxi boiler models.
Always check your boiler model, GC number, and part number before ordering.

5. Should a Gas Safe engineer fit this water valve?
Yes, a Gas Safe registered engineer should fit boiler parts.
This helps ensure safe installation, correct testing, and reliable operation.