Description

Baxi 720004701 Automatic Air Vent Kit – Baxi, Main & Potterton Boiler Air Vent Replacement (Top of Boiler)

The Baxi Automatic Air Vent Kit 720004701 helps remove trapped air from the boiler and heating system, so it can maintain efficient circulation and reliable heating performance. However, when air builds up inside the system, it can cause noise, poor heating, and reduced efficiency. Therefore, replacing a faulty air vent with this brand new kit helps restore smooth operation and supports consistent system performance.

Compatible Brands:

•  Baxi Boilers – replacement for Baxi combi and system models

•  Main Boilers – Common across Eco Elite, Combi 25, 30, and System ranges

•  Potterton Boilers – Suitable for Gold, Titanium, and Promax HE models

• Why Choose This Product?

  This brand new Baxi automatic air vent kit helps maintain proper heating system performance by removing trapped air effectively. In addition, it supports smoother circulation and helps reduce common air-related heating issues.

  Delivery and Return

  Order before 1 PM for same-day dispatch with standard and next-day delivery options available. Returns are accepted within 30 days if the item remains unused and in original packaging.

  Frequently Asked Questions

  1. What does an automatic air vent do?
  The automatic air vent removes trapped air from the boiler and heating system automatically. As a result, it helps improve circulation and heating efficiency.

  2. Why would an air vent need replacing?
  A faulty air vent may leak or fail to remove trapped air properly. This can lead to noisy operation, poor heating performance, or circulation issues.

  3. Is this a brand new part?
  Yes, this Baxi automatic air vent kit is supplied brand new. It is ready for installation in compatible systems.

  4. Will this fit my Baxi boiler?
  This part fits selected Baxi models. However, always check the part number 720004701 against your existing component before ordering.

  5. Who should install this part?
  A qualified heating engineer should install the part to ensure safe and correct operation. Professional fitting also helps protect the heating system.