Johnson & Starley
Johnson & Starley TTB Assembly Spillage Switch B302-0116000
TTB assembly with spillage switch for Johnson & Starley Hispec and Jb25PB warm air units, part number B302-0116000.
At a glance
- Part type: TTB assembly (spillage switch)
- Also known as 1690798
£71.09
£59.24 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 TTB assembly with spillage switch is a Johnson & Starley component used on Hispec and Jb25PB warm air units. The spillage switch monitors the flue for products of combustion spilling back into the appliance and forms part of the unit's safety interlock circuit. It is supplied under part number B302-0116000.
Signs this part needs replacing
- Appliance shuts down or locks out during or shortly after a firing cycle
- Repeated nuisance shutdowns traced to the flue safety circuit
- Visible heat damage, discolouration or soot deposits on the switch or its mounting
- Flue products detected spilling from the draught diverter
Before you order
- Check the appliance data badge and confirm the model appears in the fit list above
- Compare the part number on the existing assembly with B302-0116000
- If the model is not listed, check the manufacturer's parts list for your appliance
Compliance
| GC number | E02-398 |
|---|---|
| Alternative numbers | 1690798 |
| 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 JB25PB MK1 WARM AIR UNIT | 42-416-01 | 42-416-01 | — | — |
| JOHNSON & STARLEY JB25PB Mk2 WARM AIR UNIT | 42-416-02 | 42-416-02 | — | — |
| JOHNSON & STARLEY JB25PB Mk3 WARM AIR UNIT | 42-416-03 | 42-416-03 | — | — |
| JOHNSON & STARLEY JB25PB Mk4 WARM AIR UNIT | 42-416-04 | 42-416-04 | — | — |
| JOHNSON & STARLEY JB25PB Mk5 WARM AIR UNIT | 42-416-13 | 42-416-13 | — | — |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J30 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY JB25PB | — | — | — |
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 J30 WARM AIR UNIT (GC 42-416-05)
manualmanualJOHNSON & STARLEY appliance manual — JB25PB MK1 WARM AIR UNIT (GC 42-416-01), JB25PB Mk2 WARM AIR UNIT (GC 42-416-02), JB25PB Mk3 WARM AIR UNIT (GC 42-416-03), JB25PB Mk4 WARM AIR UNIT (GC 42-416-04), JB25PB Mk5 WARM AIR UNIT (GC 42-416-13)
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