
Johnson & Starley
Johnson & Starley Cap Assembly Q440-0124000
Heat exchanger cap assembly for the Johnson & Starley Hispec M31 boiler, manufacturer part number Q440-0124000.
At a glance
- Part type: cap assembly
- Also known as 1693192
£23.22
£19.35 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
Cap assembly for the heat exchanger, manufactured by Johnson & Starley. It is listed for the Johnson & Starley Hispec M31 boiler. The cap forms part of the heat exchanger assembly, closing off and sealing the relevant connection point on the appliance.
Signs this part needs replacing
- Visible corrosion, cracking or distortion on the cap
- Water or residue tracking around the heat exchanger cap
- Loss of system pressure with no other obvious cause
- Overheating or lockout traced to the heat exchanger area
- Sealing face degraded or gasket material perished
Before you order
- Confirm the appliance model is the Johnson & Starley Hispec M31
- Check the existing cap against the manufacturer part number Q440-0124000
- Inspect the heat exchanger connection for damage before fitting
- Work on the heat exchanger should be carried out by a competent heating engineer
Compliance
| Alternative numbers | 1693192 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC M31 | — | — | — |
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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