Johnson & Starley
Johnson & Starley Fuse 3 Amp 1" Ceramic BOS00689
Johnson & Starley 3 amp 1" ceramic fuse, SKU BOS00689, for use in compatible Hispec and J-series warm air units.
At a glance
- Part type: 3 amp 1" ceramic fuse
- Also known as 1690039
Showing prices
£3.34
£2.78 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
This is a 3 amp 1" ceramic fuse from Johnson & Starley. It is used in Johnson & Starley Hispec and J-series warm air units to protect the electrical circuit. The fuse is identified by SKU BOS00689.
Signs this part needs replacing
- The appliance does not power on or has no electrical supply.
- The heating or fan does not start when called.
- The fuse is visibly blown, blackened, or the element is broken.
- A continuity test shows the fuse is open circuit.
- The fuse fails repeatedly after replacement, indicating a further electrical fault.
Before you order
- Confirm the existing fuse is rated at 3 amp and is the 1" ceramic type.
- Check the appliance model against the fit list above.
- Isolate the electrical supply before checking or replacing the fuse.
- If the model is not listed, consult the manufacturer's parts list for the correct fuse.
Compliance
| GC number | 230-267 |
|---|---|
| Alternative numbers | 1690039 |
| 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 HISPEC J65 WARM AIR UNIT | 42-451-14 | 42-451-14 | — | — |
| JOHNSON & STARLEY HISPEC J90 WARM AIR UNIT | 42-451-15 | 42-451-15 | — | — |
| JOHNSON & STARLEY J15-22 WARM AIR UNIT - JANUS WATER HEATER | 43-416-23 | 43-416-23 | — | — |
| JOHNSON & STARLEY J15-22 MAF WARM AIR UNIT - JANUS WATER HEATER | 43-416-25 | 43-416-25 | — | — |
| JOHNSON & STARLEY J15-22 MAF WARM AIR UNIT | 42-417-03 | 42-417-03 | — | — |
| JOHNSON & STARLEY J15-22 MK3 WARM AIR UNIT - JANUS WATER HEATER | 43-416-27 | 43-416-27 | — | — |
| JOHNSON & STARLEY J15-22 MK3 MAF VI WARM AIR UNIT | 42-417-22 | 42-417-22 | — | — |
Showing 10 of 131 compatible appliances.
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 J30 WARM AIR UNIT (GC 42-416-05)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC J65 WARM AIR UNIT (GC 42-451-14)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC J90 WARM AIR UNIT (GC 42-451-15)
manualmanualJOHNSON & STARLEY appliance manual — J15-22 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-23), J15-22 MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-25), J15-22 MAF WARM AIR UNIT (GC 42-417-03), J15-22 MK3 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-27), J15-22 MK3 MAF VI WARM AIR UNIT (GC 42-417-22), J15-22 MK3 MAF VI WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-41), J15-22 MK3 MAF WARM AIR UNIT (GC 42-417-09), J15-22 MK3 WARM AIR UNIT (GC 42-417-07), J15-22 Mk3 WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-69), J15-22 Mk3 WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-84), J15-22 Mk3 MAF VI WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-71), J15-22 Mk3 MAF VI WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-86), J15-22 WARM AIR UNIT (GC 42-417-01), J25-32 MK3 MAF VI WARM AIR UNIT (GC 42-417-24), J25-32 MK3 MAF VI WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-43), J25-32 MK3 MAF VI WARM AIR UNIT - SUPERJAN WATER HEATER (GC 42-417-82), J25-32 MK3 MAF WARM AIR UNIT (GC 42-417-13), J25-32 MK3 MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-33), J25-32 MK3 MAF WARM AIR UNIT - SUPERJAN WATER HEATER (GC 42-417-81), J25-32 MK3 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-31), J25-32 MK3 WARM AIR UNIT - SUPERJAN WATER HEATER (GC 42-417-80), J25-32 Mk3 MAF VI WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-77), J25-32 Mk3 MAF VI WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-92), J25-32 Mk3 MAF WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-76), J25-32 Mk3 MAF WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-91), J25-32 Mk3 WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-75), J25-32 Mk3 WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-90), JA33-43 MAF VI WARM AIR UNIT (GC 42-417-18), JA33-43 MAF WARM AIR UNIT (GC 42-417-17), JA33-43 WARM AIR UNIT (GC 42-417-06), JA33-43 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-35), JA33-43-MAF VI WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-37), JA33-43-MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-36)
manualmanualJOHNSON & STARLEY appliance manual — J15-22R WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-24), J15-22R MAF WARM AIR UNIT (GC 42-417-04), J15-22R MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-26), J15-22R MK3 MAF VI WARM AIR UNIT (GC 42-417-23), J15-22R MK3 MAF WARM AIR UNIT (GC 42-417-10), J15-22R MK3 MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-30), J15-22R MK3 WARM AIR UNIT (GC 42-417-08), J15-22R MK3 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-28), J15-22R Mk3 WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-72), J15-22R Mk3 WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-87), J15-22R Mk3 MAF VI WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-74), J15-22R Mk3 MAF VI WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-89), J15-22R WARM AIR UNIT (GC 42-417-02), J25-32R MAF WARM AIR UNIT (GC 42-416-80), J25-32R MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-14), J25-32R MK2 - MAF - JANUS AIR-WATER HEATER (GC 43-416-22), J25-32R MK2 MAF WARM AIR UNIT (GC 42-416-89), J25-32R MK2 WARM AIR UNIT (GC 42-416-85), J25-32R MK2 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-20), J25-32R MK3 MAF VI WARM AIR UNIT- SUPERJAN WATER HEATER (GC 42-417-85), J25-32R MK3 MAF VI WARM AIR UNIT (GC 42-417-25), J25-32R MK3 MAF VI WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-44), J25-32R MK3 MAF WARM AIR UNIT (GC 42-417-14), J25-32R MK3 MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-34), J25-32R MK3 MAF WARM AIR UNIT - SUPERJAN WATER HEATER (GC 42-417-84), J25-32R MK3 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-32), J25-32R Mk3 MAF VI WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-80), J25-32R Mk3 MAF VI WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-95), J25-32R Mk3 MAF WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-79), J25-32R Mk3 MAF WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-94), J25-32R Mk3 WARM AIR UNIT - ELJAN WATER HEATER (GC 43-416-78), J25-32R Mk3 WARM AIR UNIT - HIJAN WATER HEATER (GC 43-416-93), J25-32R WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-08), JA33-43R MAF VI WARM AIR UNIT (GC 42-417-21), JA33-43R MAF VI WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-40), JA33-43R MAF WARM AIR UNIT (GC 42-417-20), JA33-43R MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-39), JA33-43R WARM AIR UNIT (GC 42-417-19), JA33-43R WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-38)
manualmanualJOHNSON & STARLEY appliance manual — J25-32 MAF WARM AIR UNIT (GC 42-416-79), J25-32 MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-13), J25-32 MK2 MAF WARM AIR UNIT (GC 42-416-88), J25-32 MK2 MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-21), J25-32 MK2 WARM AIR UNIT (GC 42-417-11), J25-32 MK2 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-19), J54-64 MAF VI WARM AIR UNIT (GC 42-417-28), J54-64 MAF VI WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-47), J54-64 MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-16), J54-64 WARM AIR UNIT (GC 42-416-70), J55-65 WARM AIR UNIT (GC 42-417-68), J70-90 MAF WARM AIR UNIT (GC 42-416-83), J70-90 MK1 WARM AIR UNIT (GC 42-416-76), JB16-20 WARM AIR UNIT (GC 42-416-94), JB25-30 MAF WARM AIR UNIT (GC 42-417-64), JB25-30 WARM AIR UNIT (GC 42-417-44), JB40-50 WARM AIR UNIT (GC 42-417-65), JT19-25 MK1 WARM AIR UNIT (GC 42-416-78)
manualmanualJOHNSON & STARLEY appliance manual — J54-64 MAF WARM AIR UNIT (GC 42-416-82)
manualmanualJOHNSON & STARLEY appliance manual — J70-90 MK2 MAF WARM AIR UNIT (GC 42-417-71), J70-90 MK2 WARM AIR UNIT (GC 42-417-70)
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)
manualmanualJOHNSON & STARLEY appliance manual — JT19-25 Mk2 WARM AIR UNIT (GC 42-417-38)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.