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Same-Day HIU Engineers Available

Ormandy Boiler Repair
HIU London

Ormandy are a UK manufacturer of HIU and pressurisation systems used in commercial and residential district heating developments across London. We repair and service Ormandy HIUs for landlords, managing agents and housing associations.

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

Common Ormandy Boiler / HIU Faults

Ormandy HIU no hot water output
DHW plate heat exchanger blocked
Controller or sensor fault
Heating circuit imbalance
Pressurisation unit fault
Primary circuit connection leak

Signs Your Ormandy Boiler / HIU Needs Attention

No hot water from the Ormandy HIU
Fault code on the Ormandy display
Loss of heating flow in the flat
Water marks under the HIU unit

What Our Engineer Checks on a Ormandy HIU

Every Ormandy 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.

Ormandy PHE flow and temperature performance
DHW valve and controller diagnostics
Pressurisation unit operation
Primary and secondary pressure readings
Pump and actuator function test

Ormandy Boiler Repair HIU Process

1

Call or Book Online

Contact us 24/7. Tell us your address and that you have a Ormandy 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 Ormandy 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 Ormandy HIU repairs are completed on the same visit. All work is backed by our 12-month parts and labour guarantee.

For Property Professionals

Ormandy HIU Servicing for Landlords & Managing Agents

If you manage flats with Ormandy 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 Ormandy 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

Ormandy HIU Fault?

Call Us Now

Same-day Ormandy 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 Ormandy 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 Ormandy Boiler Repair HIU Engineer Today

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

Landlords, managing agents and housing associations welcome.