Ground Source Heat Pumps

Spare Parts for Ground Source Heat Pumps

Varmetec is a trusted UK supplier of genuine spare parts for ground source heat pumps from all leading manufacturers, including NIBE, IVT, Stiebel Eltron, Vaillant, and Thermia. We help homeowners, installers, and service engineers keep ground source systems operating at maximum efficiency with a full range of high-quality components, available for fast delivery nationwide.

Ground source heat pumps are designed for long-term, low-carbon heating, but regular servicing and timely part replacement are essential to maintain their reliability and performance. At Varmetec, we stock everything from circulation pumps, heat exchangers, sensors, and expansion vessels to compressors, valves, and electronic control boards — all genuine or manufacturer-approved to ensure compatibility and long-term durability.

Our experienced team understands the importance of sourcing the right parts quickly, especially for systems providing year-round heating and hot water. That’s why we make it easy to find and order the exact components you need, with expert support and reliable dispatch.

Whether you’re maintaining a residential installation or servicing a commercial renewable heating project, Varmetec provides the parts and technical knowledge you can rely on. We’re committed to supporting the UK’s transition to sustainable heating by keeping ground source systems running smoothly and efficiently — for years to come.

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  • Nibe Soft Start 3x400v - New Generation 518736

    Regular price £237.57 GBP
    Regular price Sale price £237.57 GBP
    Nibe PCB control board angled view
  • Nibe Soft Start 718218

    Regular price £299.99 GBP
    Regular price Sale price £299.99 GBP
    Nibe Soft Start PCB 718218
  • Gables door, Upper & Lower 407205

    Regular price £47.09 GBP
    Regular price Sale price £47.09 GBP
    Nibe set of gables door upper lower 407205 - parallel view
  • 32AMP Isolator Switch

    Regular price £39.99 GBP
    Regular price Sale price £39.99 GBP
    IP65 rotary isolator switch - angled view
  • Nibe Selector Switch 418890

    Regular price £36.67 GBP
    Regular price Sale price £36.67 GBP
    Nibe selector switch - shaft view
  • Nibe Small offset Grey Knob 518659

    Regular price £18.30 GBP
    Regular price Sale price £18.30 GBP
    Nibe small control knob - front view
  • Wilo SB30 Bronze hot water Circulation Pump

    Regular price £198.89 GBP
    Regular price Sale price £198.89 GBP
    Wilo SB30 Bronze hot water Circulation Pump
  • Display for IVT Greenline - 87183102390

    Regular price £475.34 GBP
    Regular price Sale price £475.34 GBP
    Display for IVT Greenline - 87183102390
  • Thermia Control Unit - WM HPC

    Regular price £889.99 GBP
    Regular price Sale price £889.99 GBP
    Thermia Control Unit - WM HPC
  • Nibe NI1AB 4.4 kW Inverter Module 818112

    Regular price £1,353.14 GBP
    Regular price Sale price £1,353.14 GBP
    Nibe NI1AB 4.4kW inverter module 818112 front view on a light grey background
  • Nibe Straight Coupling - 524627

    Regular price £43.81 GBP
    Regular price Sale price £43.81 GBP
    Nibe Straight Coupling - 524627
  • Nibe 90° Coupling - 524633

    Regular price £48.43 GBP
    Regular price Sale price £48.43 GBP
    Nibe 90° Coupling - 524633
  • Thermia Diplomat Inverter Display - 06L3850

    Regular price £784.24 GBP
    Regular price £980.30 GBP Sale price £784.24 GBP
    Thermia Diplomat Inverter Display - 06L3850
    Sale
  • Nibe charge pump 6212347

    Regular price £562.22 GBP
    Regular price Sale price £562.22 GBP
    Grundfos UPM2 K 25-70 180mm Nibe charge pump - front angle view
  • Thermia BM Circuit Card - 086L3946

    Regular price £661.18 GBP
    Regular price £826.48 GBP Sale price £661.18 GBP
    Thermia BM Circuit Card - 086L3946
    Sale
  • Stiebel Eltron PT1000 / 5M Sensor

    Regular price £54.95 GBP
    Regular price Sale price £54.95 GBP
    Stiebel Eltron PT1000 / 5M Sensor

What Our Customers Say

At Varmetec, we take pride in delivering reliable service, genuine components, and expert support that our customers can depend on. From installers and service engineers to homeowners and renewable energy specialists, our clients trust us to keep their systems performing at their best. Here’s what they have to say about working with Varmetec.

We’ve relied on Varmetec for all our heat pump parts over the past year, and their service has been exceptional. Orders arrive quickly, the parts are always genuine, and the team’s technical knowledge saves us valuable time on site. A dependable partner for any installer.

James H., Renewable Energy Engineer, Bristol

Finding the right replacement parts for our NIBE system used to be a challenge — until we discovered Varmetec. Their website made it easy to identify what we needed, and the parts arrived within two days. Great service, clear communication, and genuine components.

Laura P., Homeowner, Surrey

As a heat pump service engineer, speed and accuracy are everything. Varmetec consistently provides the right components when I need them most. Their support team knows the products inside out — it’s refreshing to deal with people who genuinely understand the industry.

Mark D., Heating Specialist, Manchester

Varmetec has become our go-to supplier for large-scale renewable projects. Their stock availability and delivery reliability have been excellent, even for less common parts. A professional company that’s truly committed to supporting the UK’s renewable heating market.

Sarah L., Project Manager, Sustainable Developments Ltd