Johnson & Starley
Johnson & Starley Draught Diverter B502-0380000
Draught diverter B502-0380000 for the Johnson & Starley Hispec J50 warm air unit, managing flue draught at the appliance connection.
At a glance
- Appliance family: Hispec J50
- Also known as 1691220
£143.65
£119.71 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 draught diverter, part number B502-0380000, is a flue component used on the Hispec J50 warm air unit. It manages the draught at the appliance flue connection, helping to stabilise combustion and route flue gases safely to atmosphere.
Signs this part needs replacing
- Visible corrosion, cracking or distortion of the diverter body
- Soot staining or scorching around the flue connection
- Flue gas spillage or unstable draught readings during servicing
- Condensate staining, debris or blockage inside the diverter
Before you order
- Confirm the appliance is a Johnson & Starley Hispec J50
- Check the existing part number against the manufacturer's parts list
- Inspect the flue and adjacent components for related faults before fitting
Compliance
| Alternative numbers | 1691220 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY HISPEC J50 WARM AIR UNIT | 42-451-13 | 42-451-13 | — | — |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J50 | — | — | — |
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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