Glowworm Compact 75E 80E 100E Diverter Valve S801204
Trade-ready part listing Verify SKU, product condition and appliance compatibility before ordering.
National Boiler Spares
SKU N1820-1

Glowworm Compact 75E 80E 100E Diverter Valve S801204

Glowworm Compact 75E 80E 100E Diverter Valve S801204 Product Overview The Glowworm Compact 75E 80E 100E Diverter Valve S801204 is a critical component designed for specific Glowworm heating...
Availability Available to order
Product code N1820-1
Brand National Boiler Spares
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Product information

Technical details

Glowworm Compact 75E 80E 100E Diverter Valve S801204

Product Overview

The Glowworm Compact 75E 80E 100E Diverter Valve S801204 is a critical component designed for specific Glowworm heating systems. This Diverter Valve mechanically directs hot water to either the radiators (heating) or the taps (hot water), ensuring demand priority. properly functioning components are vital for the energy efficiency and safety of your boiler.

ℹ️ Product Condition Options:
This part may be available in New, Refurbished, or Compatible conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.

Technical Insight & Common Failure Symptoms

Based on service data: The diverter valve is a device that only appears in combi boilers. It allows the hot water to be redirected to the heating system (radiators Change the leaking diverter valve cartridge and install the Fit Once ™ cartridge. This is a permanent repair as Fit Once ™ is serviceable so the working seals

Replacing this part often resolves the following issues:

  • Restores reliable system operation and eliminates fault codes.
  • Resolves specific failure symptoms such as component malfunction.
  • Ensures safety compliance and efficient boiler performance.

Compatibility

This part (MPN: S801204) is designed for models within the Glowworm range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.

Safety Advice: Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.