Johnson & Starley
Johnson & Starley Limit Switch BOS00105
Limit switch for Johnson & Starley warm air units, supplied as the Honeywell L4069C1207 limit control.
At a glance
- Part type: limit switch / limit control
- Also known as 1690751
Showing prices
£100.36
£83.63 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 Johnson & Starley BOS00105 is a limit switch used on Johnson & Starley warm air units. It is supplied as the Honeywell L4069C1207 limit control. The limit control monitors appliance temperature and interrupts the burner if the set limit is exceeded, protecting the unit from overheating.
Signs this part needs replacing
- The appliance cuts out before reaching its normal operating temperature
- Repeated lockouts that need a manual reset to clear
- The burner fails to fire after the unit has been running
- Intermittent shutdowns with no other fault found on the appliance
- The unit runs briefly and then shuts down on every cycle
Before you order
- Confirm your appliance model against the fit list above
- Check the existing limit control is marked Honeywell L4069C1207
- Note the appliance GC number where it is known
- Isolate the electrical supply and gas before fitting
Compliance
| Barcode / EAN | 5055189908222 |
|---|---|
| Alternative numbers | 1690751 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY BALMFORTH / MCLARY BD50- TD35-50 - TD50-60 WARM AIR UNIT | — | — | — | |
| JOHNSON & STARLEY BALMFORTH / MCLARY D40-60 - U40-60 WARM AIR UNIT | 43-306-01 | 43-306-01 | — | — |
| JOHNSON & STARLEY BALMFORTH / MCLARY D60-80 WARM AIR UNIT | 42-306-40 | 42-306-40 | — | — |
| 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 J50 WARM AIR UNIT | 42-451-13 | 42-451-13 | — | — |
| 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 HISPEC JU55 WARM AIR UNIT PROPANE | 42-416-09 | 42-416-09 | — | — |
Showing 10 of 162 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 — BALMFORTH / MCLARY BD50- TD35-50 - TD50-60 WARM AIR UNIT
manualmanualJOHNSON & STARLEY appliance manual — BALMFORTH / MCLARY D40-60 - U40-60 WARM AIR UNIT (GC 43-306-01), BALMFORTH / MCLARY D60-80 WARM AIR UNIT (GC 42-306-40)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC J30 WARM AIR UNIT (GC 42-416-05)
manualmanualJOHNSON & STARLEY appliance manual — HISPEC J50 WARM AIR UNIT (GC 42-451-13)
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 — HISPEC JU55 WARM AIR UNIT PROPANE (GC 42-416-09), HISPEC JU55 WARM AIR UNIT (GC 42-511-16)
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), Q44
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), JT19-25 Mk2 WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-54)
manualNo technical questions yet for this part.
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