Glow-worm
Glow-worm filling loop tap 801679
Genuine Glow-worm filling loop tap for the 24CXi, 30CXi and 38CXi boilers, used to top up system pressure manually.
At a glance
- Also known as 1333143, N8021
- A Gas Safe registered engineer should carry out work on the boiler itself; the filling loop tap is not a gas component
£34.34
£28.62 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The 801679 is a filling loop tap fitted to Glow-worm CXi combination boilers. It forms part of the manual filling loop, letting a user or engineer top up the central heating system's water pressure when it has dropped.
Signs this part needs replacing
- Tap will not turn, or turns but water does not flow into the filling loop
- Tap drips or weeps water when closed
- Visible corrosion, scale or a seized handle
- System pressure keeps falling even after refilling, pointing to a leaking tap
Before you order
- Match the part number and GC number on your appliance data plate before ordering
- Isolate the water supply and depressurise the filling loop before removal
- A Gas Safe registered engineer should carry out work on the boiler itself; the filling loop tap is not a gas component
Compliance
| GC number | E88-848 |
|---|---|
| Alternative numbers | 4024074498897, GLOWWORM801679, GLOWWORM801679, GLOWWORM801679, 1333143, N8021 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM GLOWWORM GW 24CXI | — | — | — | |
| GLOWWORM GLOWWORM GW 30CXI | — | — | — | |
| GLOWWORM GLOWWORM GW 38CXI | — | — | — | |
| GLOWWORM GW 24CXi | 47-047-23 | 47-047-23 | — | — |
| GLOWWORM GW 30CXi | 47-047-24 | 47-047-24 | — | — |
| GLOWWORM GW 38CXi | 47-047-27 | 47-047-27 | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
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