Johnson & Starley
Johnson & Starley 40-73°C regulation thermostat S01321
A 40-73°C regulation thermostat for the Johnson & Starley STATE SCE, SCT, SCE65-500 and SDV range boilers, controlling boiler flow temperature.
At a glance
- Also known as 1690928
- Work should only be carried out by a Gas Safe registered engineer
£128.16
£106.80 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
A regulation thermostat with a 40-73°C operating range, fitted to the Johnson & Starley STATE range of gas boilers to control and limit the boiler's water flow temperature during normal operation.
Signs this part needs replacing
- Boiler overheats or runs hotter than the set temperature
- Boiler will not reach temperature or cycles too frequently
- Thermostat fails to switch the burner off at the set point
- Engineer diagnosis of a stuck or drifting thermostat during fault-finding
Before you order
- Match the part number printed on the thermostat you are replacing
- Isolate electrical power before removing the old thermostat
- Work should only be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | 1690928 |
|---|
No fitment data held for this part.
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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