Johnson & Starley
Johnson & Starley Electrode & Lead Combined B500-0702000
Combined ignition electrode and lead for Johnson & Starley gas warm air units, carrying the HT connection to the burner spark gap.
At a glance
- Also known as 1690521
£35.29
£29.41 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 Johnson & Starley B500-0702000 is a combined ignition electrode and lead assembly for Johnson & Starley gas warm air units. It provides the spark gap that lights the burner and carries the HT connection from the ignition source to the electrode tip. It is used across the Hispec, JB and JGD warm air ranges.
Signs this part needs replacing
- Burner fails to ignite, or ignition is intermittent
- No spark visible at the electrode when the unit calls for heat
- Electrode tip is eroded, cracked or heavily carbonised
- Lead insulation is brittle, split or showing exposed conductor
- Repeated ignition attempts or lockout before the burner lights
Before you order
- Confirm the model and GC number of the warm air unit against the manufacturer's parts list.
- Inspect the existing electrode and lead for physical damage and compare the mounting arrangement.
- Verify that part number B500-0702000 matches the unit's documentation.
Compliance
| GC number | 245-084 |
|---|---|
| Barcode / EAN | 5055189907027 |
| Alternative numbers | 1690521 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY HISPEC JU55 WARM AIR UNIT PROPANE | 42-416-09 | 42-416-09 | — | — |
| JOHNSON & STARLEY HISPEC JU55 WARM AIR UNIT | 42-511-16 | 42-511-16 | — | — |
| JOHNSON & STARLEY JB40-50 WARM AIR UNIT | 42-417-65 | 42-417-65 | — | — |
| JOHNSON & STARLEY JGD25 MKII BF WARM AIR UNIT | 42-416-29 | 42-416-29 | — | — |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC JU55 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY JB40-50 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY JU40-55 | — | — | — |
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.
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