Johnson & Starley
Johnson & Starley Transformer (Fan Speed) Except ET 1000-0515200
Fan speed transformer for Johnson & Starley Hispec J25, J25RS, J25SC and M31 warm air units.
At a glance
- Also known as 1690781
Showing prices
£69.06
£57.55 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Johnson & Starley fan speed transformer is a control component used in Hispec warm air units. It regulates the fan speed circuit, except on ET variants. It is identified by part number 1000-0515200.
Signs this part needs replacing
- Fan does not run or runs at the wrong speed
- Fan speed does not change when the setting is adjusted
- Warm air unit overheats or locks out due to reduced airflow
- Fan operation is intermittent
- Visible damage, burning smell or discolouration at the transformer
Before you order
- Confirm your appliance model is listed in the Fits section
- Check the existing transformer and wiring connections match the part
- Ensure your appliance is not an ET variant
- Have the appliance model and serial number available
Compliance
| GC number | 245-522 |
|---|---|
| Alternative numbers | 1690781 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY HISPEC J25 WARM AIR UNIT | 42-451-04 | 42-451-04 | — | — |
| JOHNSON & STARLEY HISPEC J25RS WARM AIR UNIT | 42-451-08 | 42-451-08 | — | — |
| JOHNSON & STARLEY HISPEC J25SC WARM AIR UNIT | 42-417-96 | 42-417-96 | — | — |
| JOHNSON & STARLEY HISPEC M31 WARM AIR UNIT | 42-451-10 | 42-451-10 | — | — |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J25 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J25RS | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J25SC | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC M31 | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
JOHNSON & STARLEY appliance manual — HISPEC J25 WARM AIR UNIT (GC 42-451-04)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC J25RS WARM AIR UNIT (GC 42-451-08)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC J25SC WARM AIR UNIT (GC 42-417-96)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC M31 WARM AIR UNIT (GC 42-451-10)
manualNo technical questions yet for this part.
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