Baxi 3-Way Diverter Valve Assembly — Part No. 7224765 (with Bypass)

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Baxi 3-Way Diverter Valve Assembly — 7224765

Fix heating / hot-water changeover faults on Baxi, Main & Potterton combis. This OEM brass 3-way valve routes boiler output to either central heating (CH) or domestic hot water (DHW) for stable ignition and temperature control.

Key Features

  • Direct-fit replacement; supplied with washers/O-rings as pictured
  • Factory geometry for correct flow, reliable switching and long service life

Typical Compatibility*

  • Baxi Gold Combi 24/28/30 HE; Heatmax Combi 24/28/33 HE; Platinum Combi 24/28 HE; 105 HE A Instant
  • Potterton Promax Combi 24/28/33 HE (Plus/Plus A variants)

*Coverage varies by production run. Always confirm by matching the exact part number and your boiler’s exploded diagram.

What’s in the Box

  • 1 × 3-way diverter valve assembly — Baxi 7224765 (with bypass)
  • Washers and O-rings set (batch dependent)

Install & Safety

This is a water/gas-related control component. Installation and commissioning must be carried out by a qualified, Gas Safe registered engineer. After fitting, bleed, pressure-test and verify CH/DHW operation.

Supersession note: Replaces earlier part 5114718 on many models.

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