Johnson & Starley
Johnson & Starley Electronics Module (MAF) R002
Electronics module (MAF) R002 for Johnson & Starley Hispec and Jb warm air units.
At a glance
- Part type: electronics module (MAF)
- Also known as 1691517
Showing prices
£399.71
£333.09 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 R002 is an electronics module (MAF) manufactured by Johnson & Starley for use in its Hispec and Jb warm air unit ranges. It is the control electronics module for the appliance, listed under the manufacturer's MAF designation.
Signs this part needs replacing
- The appliance fails to start or does not respond to the thermostat or controls
- The fan or burner cycles erratically, or the unit locks out intermittently
- No ignition sequence, or repeated lockouts that clear after a reset
- The module shows signs of heat damage, corrosion or moisture ingress
Before you order
- Check the appliance data plate to confirm the model and GC number
- Confirm the existing module's part number matches R002
- Inspect the module's connections and mounting before ordering, as some symptoms can also come from wiring or sensors
Compliance
| GC number | 244-930 |
|---|---|
| Barcode / EAN | 5055189912922 |
| Alternative numbers | 1691517 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY HISPEC 20 WARM AIR UNIT | 42-451-03 | 42-451-03 | — | — |
| JOHNSON & STARLEY HISPEC J20 WARM AIR UNIT | 42-416-06 | 42-416-06 | — | — |
| JOHNSON & STARLEY HISPEC J30 WARM AIR UNIT | 42-416-05 | 42-416-05 | — | — |
| JOHNSON & STARLEY JB16-20 WARM AIR UNIT | 42-416-94 | 42-416-94 | — | — |
| JOHNSON & STARLEY JB25-30 MAF WARM AIR UNIT | 42-417-64 | 42-417-64 | — | — |
| JOHNSON & STARLEY JB25-30 WARM AIR UNIT | 42-417-44 | 42-417-44 | — | — |
| JOHNSON & STARLEY JOHNSON AND STARLEY HI-SPEC J30 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J30 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY JB25-30 | — | — | — |
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.
No technical questions yet for this part.
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