Hamworthy Stratton Repair & Servicing
Stratton is Hamworthy’s wall-hung commercial boiler family. It should not be grouped with the floor-standing Upton or ModuMax format. Stratton mk3 uses stainless-steel heat-transfer construction, while earlier marks have their own controls, components and instructions. Record the mark and complete size designation before requesting a repair or discussing a replacement.
- Fault on this model? commercial boiler fault code diagnosis
- Planned work: commercial boiler servicing
- Main service: commercial boiler repair
Hamworthy Stratton: overview and specifications
- Stratton mk3 published nominal sizes extend from 40 to 150 kW.
- Wall-hung condensing appliance with stainless-steel exchanger in mk3 documentation.
- Mk3 technical sheets describe 5:1 turndown.
- Mk3 water-pressure ratings differ by model size; confirm the exact table rather than one range-wide limit.
Typical commercial applications
- Record which heating or boiler-fed hot-water circuit the appliance serves.
- Review the shared pumps, pressure equipment, flue and control arrangement with the boiler.
- Confirm current load and service continuity needs before major repair decisions.
Hamworthy Stratton: faults and diagnostic approach
- 1. Preserve the original display and fault chronology before a permitted reset.
- 2. Establish appliance identity, genuine demand and safe common supply conditions.
- 3. Test the suspected cause through manufacturer procedures and independent measurements.
- 4. Agree a repair only when the findings support the proposed component or system remedy.
Parts compatibility and repairability
- Confirm availability, application and lead time before promising return to service.
- Do not bypass an unavailable safety component or improvise combustion adjustments.
- Compare major repair cost with supported replacement options where condition or spares make repair doubtful.
Servicing, testing and booking
- Provide the model/serial details, controller identity, symptoms and access requirements through ServiceM8.
- The provider confirms regional coverage, familiarity and attendance; a request is not a guaranteed appointment.
- Diagnosis time, output, service kits, access, specialist parts and post-work testing determine the quote. No fixed national rate applies.
Related services, equipment & advice

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Independent Hamworthy commercial boiler repairs and servicing. Model-specific diagnosis in London & South East; other postcodes on confirmation.
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Frequently asked questions
Which Hamworthy Stratton specifications apply?
The full model, type, output, fuel and revision determine the technical table. The high-level summary here does not replace the applicable manufacturer instructions.
Can a Hamworthy Stratton fault code select a spare?
No. A code describes an operating condition. Safe diagnosis, component tests and compatible application references are needed before a replacement is agreed.
What follows a combustion-side repair?
The prescribed reassembly and combustion checks, applicable gas integrity testing and verification of controls and useful heat delivery follow the actual work.
How do I book for Hamworthy Stratton?
Use Book an Engineer to supply the data plate, original fault, site postcode and access information through ServiceM8. The regional provider confirms competence, appointment and pricing.
Manufacturer information
Book a commercial boiler engineer
Share the site postcode, boiler make and model, symptoms and access requirements. The central booking operation routes your request to the appropriate regional provider, who confirms availability, scope and pricing.