Reznor
Reznor Ignition Electrode 03 400US 42
Ignition electrode for Reznor room sealed unit heaters, warm air unit heaters and gas fired heating coils, part 03 400US 42.
At a glance
- Also known as 2530480
£134.30
£111.92 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 42 is an ignition electrode (ER) used on Reznor gas-fired heating appliances. It sits in the ignition circuit and provides the spark that lights the burner. It is supplied under Reznor part number 03 400US 42.
Signs this part needs replacing
- The burner fails to light, or lights only intermittently
- No spark is visible at the electrode during the ignition sequence
- The appliance repeatedly locks out instead of firing
- The electrode or its insulator shows erosion, cracking or heavy deposits
- The spark tracks away from the ignition gap rather than across it
Before you order
- Confirm the appliance model appears in the Fits section above
- Check the part number on the existing electrode against 03 400US 42 or 03400US42
- Note the position and orientation of the electrode before removal to aid refitting
- Inspect the electrode and its lead for damage before fitting
Compliance
| Alternative numbers | 03-400US-42, 2530480 |
|---|
| 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 | — | — | — | |
| REZNOR LCSA100 WARM AIR UNIT HEATER | — | — | — | |
| REZNOR LCSA100-3 WARM AIR UNIT HEATER | — | — | — |
Showing 10 of 59 compatible appliances.
Documents & drawings
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