Glow-worm
Glow-worm By-pass S5261700
By-pass component for Glow-worm gas boilers, part number S5261700, used across Compact, GW, Micracom, Xtrafast and Xtramax models.
£12.49
£10.41 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 S5261700 is a by-pass component manufactured by Glow-worm for use in its gas boiler range. It sits in the appliance's water circuit and regulates flow through the primary side of the boiler. It is listed for a broad spread of Glow-worm boiler families, from Compact and GW through to Micracom, Xtrafast and Xtramax.
Signs this part needs replacing
- Boiler short-cycling or firing in unusually short bursts
- Poor or uneven heat output across the radiators
- Whistling, humming or gurgling from the boiler or pipework
- The boiler failing to reach or hold its set flow temperature
- Fault codes or lockouts linked to circulation or differential pressure
Before you order
- Confirm your boiler model against the fitment list above
- Check the GC number on your appliance's data badge where available
- Compare the part number on the existing component with S5261700
- Check whether your appliance carries the earlier code 2000801909
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM COMPACT 24C | — | — | — | |
| GLOWWORM COMPACT 24C P | — | — | — | |
| GLOWWORM COMPACT 28C | — | — | — | |
| GLOWWORM COMPACT 28C P | — | — | — | |
| GLOWWORM ENERGY 35 STORE | 47-019-37 | 47-019-37 | — | — |
| GLOWWORM ENERGY 35 STORE | — | — | — | |
| GLOWWORM GW 18SXi | 41-047-72 | 41-047-72 | — | — |
| GLOWWORM GW 18Si | 41-047-61 | 41-047-61 | — | — |
| GLOWWORM GW 23C | 47-047-18 | 47-047-18 | — | — |
| GLOWWORM GW 24CXi | 47-047-23 | 47-047-23 | — | — |
Showing 10 of 24 compatible appliances.
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.
GLOWWORM appliance manual — ENERGY 35 STORE (GC 47-019-37)
manualmanualGLOWWORM appliance manual — GW 18SXi (GC 41-047-72)
manualmanualGLOWWORM appliance manual — GW 18Si (GC 41-047-61)
manualmanualGLOWWORM appliance manual — GW 23C (GC 47-047-18)
manualmanualGLOWWORM appliance manual — GW 24CXi (GC 47-047-23)
manualmanualGLOWWORM appliance manual — GW 24Ci (GC 47-047-19)
manualmanualGLOWWORM appliance manual — GW 30CXi (GC 47-047-24)
manualmanualGLOWWORM appliance manual — GW 30Ci (GC 47-047-20)
manualmanualGLOWWORM appliance manual — GW 30Ci PLUS (GC 47-047-22)
manualmanualGLOWWORM appliance manual — GW 30SXi (GC 41-047-62)
manualmanualGLOWWORM appliance manual — GW 30Si (GC 41-047-70)
manualmanualGLOWWORM appliance manual — GW 35Ci (GC 47-047-28)
manualmanualGLOWWORM appliance manual — GW 38CXi (GC 47-047-27)
manualmanualGLOWWORM appliance manual — XTRAFAST 120 (GC 47-047-26)
manualmanualGLOWWORM appliance manual — XTRAFAST 96 (GC 47-047-25)
manualmanualGLOWWORM appliance manual — XTRAMAX HE (GC 47-047-29)
manualNo technical questions yet for this part.
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