
Johnson & Starley
Johnson & Starley Transformer MAF 1000-0516875
Johnson & Starley Transformer MAF, part 1000-0516875, for Hispec, J, JB and JT warm air units.
At a glance
- Also known as 1691177
£168.13
£140.11 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 Transformer MAF is a Johnson & Starley electrical component used across the Hispec and related warm air unit ranges. It provides the transformed supply that the appliance's control and ignition circuits rely on. It is supplied under Johnson & Starley part number 1000-0516875.
Signs this part needs replacing
- The appliance fails to fire or the ignition sequence does not start
- The fan or control circuit does not run when the appliance is called for
- Intermittent operation, with the appliance cutting out shortly after start-up
- Audible buzzing or humming from the transformer area
- No low-voltage output at the transformer terminals when tested
Before you order
- Confirm the appliance model against the fitment list above
- Check the part number marked on the existing transformer matches 1000-0516875
- Verify the appliance is a Johnson & Starley warm air unit from the Hispec, J, JB or JT range
- Isolate the electrical supply before removing or testing the existing component
Compliance
| GC number | E02-433 |
|---|---|
| Alternative numbers | 1691177 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY HISPEC J50 WARM AIR UNIT | 42-451-13 | 42-451-13 | — | — |
| JOHNSON & STARLEY HISPEC J65 WARM AIR UNIT | 42-451-14 | 42-451-14 | — | — |
| 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 J55-65 WARM AIR UNIT | 42-417-68 | 42-417-68 | — | — |
| JOHNSON & STARLEY JB40-50 WARM AIR UNIT | 42-417-65 | 42-417-65 | — | — |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J50 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J65 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC JU55 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY J55-65 | — | — | — |
Showing 10 of 13 compatible appliances.
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.
JOHNSON & STARLEY appliance manual — HISPEC J50 WARM AIR UNIT (GC 42-451-13)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC J65 WARM AIR UNIT (GC 42-451-14)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC JU55 WARM AIR UNIT PROPANE (GC 42-416-09), HISPEC JU55 WARM AIR UNIT (GC 42-511-16)
manualmanualJOHNSON & STARLEY appliance manual — J55-65 WARM AIR UNIT (GC 42-417-68), JB40-50 WARM AIR UNIT (GC 42-417-65)
manualmanualJOHNSON & STARLEY appliance manual — JT19-25 Mk2 MAF VI WARM AIR UNIT - ELJAN WATER HEATER
manualNo technical questions yet for this part.
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