Johnson & Starley
Johnson & Starley Capacitor 20MF 1000-0516570
20MF capacitor for Johnson & Starley gas boilers and warm air units, part number 1000-0516570.
At a glance
- Also known as 1690546
£39.01
£32.51 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 1000-0516570 is a 20MF capacitor used on the manufacturer's gas boilers and warm air units. It provides the phase shift required to start and run the fan or blower motor. When it fails, the motor typically hums without turning.
Signs this part needs replacing
- Fan or blower motor hums but does not start
- Motor starts intermittently, or only once the appliance has cooled
- Fan runs slowly or at an erratic speed
- Capacitor body is bulging, split or leaking
- Burning smell or visible scorching around the capacitor
Before you order
- Confirm your appliance model against the fit list above
- Check that the capacitance marked on the existing capacitor matches 20MF
- Check the manufacturer part number 1000-0516570 on the existing component
- Isolate the electrical supply before inspecting or removing the capacitor
Compliance
| GC number | 245-543 |
|---|---|
| Alternative numbers | 1690546 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY HISPEC J40 WARM AIR UNIT | 42-451-09 | 42-451-09 | — | — |
| JOHNSON & STARLEY JOHNSON AND STARLEY HC600 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J40 | — | — | — |
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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