Ensure a perfect fit and reliable performance with the Warmflow Door Seal 3009, designed specifically for Warmflow condensing boilers. This high-quality access door rubber seal/gasket fits the top box heat exchanger, providing a secure and efficient seal to maintain optimal performance and prevent leaks. 

Key Features:

• Genuine Warmflow part number: 3009 – easily matches your boiler model and part list. 
• Specifically made for the “top box” heat exchanger on Warmflow condensing units. 
• Durable rubber material engineered to maintain a tight seal under boiler conditions.
• Quick and straightforward replacement – ideal for professional installers or savvy DIYers.

Installing the Warmflow Door Seal 3009 helps maintain your boiler’s efficiency, prevents potential leakage or seal failure, and extends the life of your system. Compatible with a range of Warmflow condensing boiler models (please check your model and part number to confirm fit).

Why choose this part?

Using genuine Warmflow parts ensures compatibility and reliability. Avoid generic alternatives that may degrade faster or compromise boiler performance — this seal is designed by Warmflow for optimal operation.

If you require assistance identifying your boiler model or part, feel free to contact our technical support team — we’re happy to help ensure you get the correct part for your system.

Note: Always isolate the boiler and ensure it is cool before attempting any maintenance. Installation by a qualified engineer is recommended.