Baxi Boiler Gas Valve 720752301 Replacement Part

The Baxi  Duo Tec Gas Valve 720752301 regulates gas flow to the burner to support correct ignition and stable flame control. If it starts failing due to wear or electrical/control issues, it can cause ignition lockouts, flame drop-outs, inconsistent hot water, weak heating performance, or repeated shutdowns. Replacing it with the correct valve is a reliable fix that restores proper combustion control and helps reduce nuisance lockouts.

Compatibility :

• Baxi Combi: 124, 128
• Baxi Duo Tec 2 GA Range: 24, 28, 33, 40
• Baxi Megaflo 2 System Compact GA: 12, 15, 18, 24, 28, 32
• Baxi Neta-Tec GA: 24, 28, 33
• Baxi Neta-Tec Plus Combi GA: 24, 28, 33

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 (FAQ’s)

1. What is Baxi 720752301?
The Baxi 720752301 is a gas valve used to control and regulate gas supply to the burner in compatible Baxi boilers.

2. What does a boiler gas valve do?
It opens/closes and modulates gas flow so the boiler can ignite properly and maintain a steady flame for heating and hot water.

3. What symptoms suggest a faulty gas valve?
Ignition failure, repeated lockouts, flame dropping out, hot water going warm/cold, poor heating, or the boiler cutting out.

4. Is this a direct replacement for part number 720752301?
Yes – it’s the replacement gas valve matching Baxi part number 720752301.

5 How do I confirm compatibility before ordering?
Match your boiler model and GC number to the compatibility list in the description and confirm the part number 720752301.