
Glow-worm
Glow-worm Swiftflow electro-mechanical timer kit with override 452390
Genuine electro-mechanical clock timer kit with manual override for the Glow-worm Swiftflow boiler range.
At a glance
- Also known as GLOWWORM452390
£180.00
£150.00 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 452390 is an electro-mechanical timer kit for the Glow-worm Swiftflow boiler range, also listed against Saunier Duval. It provides the boiler's on/off time control, with a manual override switch for heating on demand outside the programmed schedule.
Signs this part needs replacing
- Boiler will not switch on or off at the programmed times
- Timer clock resets or loses time after a power cut
- Override switch fails to bring the heating on
- Timer dial or switch mechanism is stiff, cracked or unresponsive
Before you order
- Match the part number printed on your existing timer unit before ordering
- Isolate electrical power before removing or fitting the timer
Compliance
| Alternative numbers | GLOWWORM452390 |
|---|
No fitment data held for this part.
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.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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