Reznor
Reznor Limit Switch Thermal Overheat 03 400US 01
Reznor limit switch thermal overheat cut-out, part 03 400US 01, for ROOM Sealed Unit Heater models C4011 to C4072.
At a glance
- Also known as 2530466
£46.02
£38.35 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 400US 01 limit switch thermal overheat (LC1, TOD60T, 11201614) is a safety cut-out used on Reznor ROOM Sealed Unit Heater appliances. It opens the heating circuit when an overheat condition is detected, shutting the appliance down to prevent further overheating. The part is listed under the supplied name REZN 03 400US 01 LIMIT SWITCH THERMAL OVERHEAT LC1 - TOD60T 11201614.
Signs this part needs replacing
- The heater repeatedly locks out or fails to fire after an overheat trip.
- The appliance shuts down before reaching its set temperature.
- The overheat cut-out trips repeatedly during normal operation.
- No continuity across the switch terminals when tested.
- Visible heat damage, discolouration or scorching at the switch.
Before you order
- Confirm the appliance is a Reznor ROOM Sealed Unit Heater model listed in the Fits section.
- Check that the existing switch is marked LC1, TOD60T or 11201614, or carries part number 03 400US 01 / 03400US01.
- Isolate the electrical supply before fitting; replacement should be carried out by a competent heating engineer.
Compliance
| Alternative numbers | 03-400US-01, 2530466 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| REZNOR C4011 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR C4018 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR C4024 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR C4030 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR C4036 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR C4047 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR C4060 - ROOM SEALED UNIT HEATER | — | — | — | |
| REZNOR C4072 - ROOM SEALED UNIT HEATER | — | — | — |
Documents & drawings
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