Glow-worm 3-Way Diverter Valve – 0020097214 (Combi Boilers)

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Glow-worm 3-Way Diverter Valve – 0020097214

Genuine Glow-worm 3-way diverter valve for selected combi boilers. This valve diverts heated water either to your radiators (CH) or to hot taps/shower (DHW), restoring reliable switching and consistent performance.

  • Manufacturer: Glow-worm
  • Part type: 3-way diverter valve (priority switching valve)
  • MPN: 0020097214
  • GTIN / EAN: 3532040922426

Compatible ranges & examples

Used across multiple Glow-worm families (model-dependent). Common compatibles include:

  • Betacom / Betacom 3 – e.g. 24c, 30c
  • Easicom / Easicom 2 – e.g. 24c, 28c
  • Energy – 25c, 30c, 35c
  • Essential – 24c, 28c
  • Ultracom 2 – 24cxi, 30cxi, 35cxi

Always confirm against your boiler’s data plate or manual using MPN 0020097214 before ordering.

What this part does

The diverter valve is specific to combi boilers. It channels boiler output to either central heating or domestic hot water. A sticking or leaking valve can cause lukewarm taps, radiators warming when a tap is opened, or intermittent hot water.

When to replace

  • Slow or inconsistent DHW temperature changes
  • Radiators heating when drawing hot water
  • Valve actuator noise or visible leakage

What's in the box

  • 1 × Glow-worm 3-way diverter valve assembly (0020097214)

Installation & safety

Must be installed by a qualified Gas Safe engineer. Post-fit checks should include correct operation and leak testing.


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