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Dutypoint Boiler Repair
HIU London

Dutypoint HIUs are used in residential, commercial and mixed-use heat network projects across London. Our engineers carry out Dutypoint HIU repairs, annual servicing and fault finding for landlords, managing agents and housing providers.

Gas Safe Reg No: 217785 24/7 Emergency Line 12-Month Guarantee All Dutypoint Models

Common Dutypoint Boiler / HIU Faults

Dutypoint HIU no hot water output
DHW valve or actuator fault
Heating not functioning correctly
Plate heat exchanger reduced efficiency
Dutypoint controller fault code displayed
Primary circuit leak or pressure loss

Signs Your Dutypoint Boiler / HIU Needs Attention

No hot water despite the heating working
Fault code on the Dutypoint panel
HIU leaking water into cupboard
Heating temperature lower than expected

What Our Engineer Checks on a Dutypoint HIU

Every Dutypoint HIU fault call starts with a full systematic diagnostic — not a guess and replace approach. We follow a structured checklist to identify the root cause accurately.

Dutypoint DHW valve and actuator function
Controller diagnostics and error codes
PHE differential temperature test
Primary and secondary pressure check
Pump operation and bearings

Dutypoint Boiler Repair HIU Process

1

Call or Book Online

Contact us 24/7. Tell us your address and that you have a Dutypoint HIU fault and we will dispatch the nearest available engineer.

2

Engineer Arrives

A specialist HIU engineer arrives — typically within 1–2 hours for emergencies. We carry common Dutypoint HIU spare parts on every van.

3

Diagnosis & Fixed Quote

We diagnose the fault, explain the cause in plain English, and give you a fixed price before any work begins. No hidden charges.

4

Repaired & Guaranteed

Most Dutypoint HIU repairs are completed on the same visit. All work is backed by our 12-month parts and labour guarantee.

For Property Professionals

Dutypoint HIU Servicing for Landlords & Managing Agents

If you manage flats with Dutypoint HIUs, we provide annual servicing contracts, rapid-response repairs and full documentation for every visit. We work with landlords, managing agents and housing associations across London.

  • Annual Dutypoint HIU service certificates
  • Priority same-day response for tenant callouts
  • Written report after every visit
  • Multi-property discounts available
  • Direct tenant liaison if required

Frequently Asked Questions

Dutypoint HIU Fault?

Call Us Now

Same-day Dutypoint HIU repairs across London. 7 days a week.

Why Choose Us?

Gas Safe Registered

Reg No: 217785 — certified and fully insured.

HIU Specialists

Experienced with Dutypoint and all major HIU brands.

Same-Day Available

7 days a week including weekends.

12-Month Guarantee

All parts and labour guaranteed.

5-Star Reviews

Trusted by London landlords and residents.

Free Callback

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or call us directly: 0330 520 1642

Book a Dutypoint Boiler Repair HIU Engineer Today

Same-day repair, service and fault diagnosis across London.

Landlords, managing agents and housing associations welcome.