
Reznor
Reznor 03 24958 Limit Switch Thermal Overheat Capillary Type LSI
Capillary type thermal overheat limit switch, Reznor part 03 24958, for ML1511, ML1515 and ML1520 room sealed unit heaters.
At a glance
- Also known as 2530950
£95.92
£79.93 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 Reznor 03 24958 is a capillary type thermal overheat limit switch (LSI) used in Reznor room sealed unit heaters. It acts as a safety cut-out, interrupting the burner circuit when the appliance overheats. It is listed under thermostats in gas boiler spares.
Signs this part needs replacing
- Appliance locks out or shuts down before reaching set temperature
- Burner fails to fire and requires repeated resetting
- Heater runs briefly then cuts out during operation
- No heat despite the fan running
- Overheat cut-out trips repeatedly
Before you order
- Confirm the existing switch is marked with Reznor part number 03 24958 or 0324958
- Check the switch is capillary type
- Verify the appliance model against the fitment list (ML1511, ML1515, ML1520)
Compliance
| Alternative numbers | 03-24958, 2530950 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| REZNOR ML1511 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR ML1515 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR ML1520 - ROOM SEALED UNIT HEATER | — | — | — |
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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