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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120 products

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  • Nibe Display Unit - 718340

    Regular price £99.00 GBP
    Regular price Sale price £99.00 GBP
    Nibe Display Unit - 718340
  • Combination Cold Water Valve - 2 Piece

    Regular price £110.33 GBP
    Regular price Sale price £110.33 GBP
    Combination Cold Water Valve - 2 Piece
  • Nibe Honeywell 3 Way Valve Inners - 624888

    Regular price £69.76 GBP
    Regular price Sale price £69.76 GBP
    Nibe Honeywell 3 Way Valve Inners - 624888
  • Nibe Shunt Motor Control - 060354

    Regular price £259.70 GBP
    Regular price Sale price £259.70 GBP
    Nibe Shunt Motor Control - 060354
  • Nibe High Pressure Stat - 618425

    Regular price £67.47 GBP
    Regular price Sale price £67.47 GBP
    Nibe High Pressure Stat - 618425
  • VC4013 Honeywell Actuator Motor VXV - 624459

    Regular price £170.14 GBP
    Regular price Sale price £170.14 GBP
    VC4013 Honeywell Actuator Motor VXV - 624459
  • Soft Start - MCI 12 CH-M - 3-Phase

    Regular price £248.16 GBP
    Regular price £310.21 GBP Sale price £248.16 GBP
    Soft Start - MCI 12 CH-M - 3-Phase
    Sold out
  • Nibe Large Grey On/Off Knob - 518660

    Regular price £16.30 GBP
    Regular price Sale price £16.30 GBP
    Nibe Large Grey On/Off Knob - 518660
  • Nibe Flexi Hose - 524253

    Regular price £92.24 GBP
    Regular price Sale price £92.24 GBP
    Nibe Flexi Hose - 524253
    Sold out
  • Nibe Contactor - 518734

    Regular price £69.99 GBP
    Regular price Sale price £69.99 GBP
    Nibe Contactor - 518734
  • Mixing Valve Motor - Nibe 424509

    Regular price £89.89 GBP
    Regular price Sale price £89.89 GBP
    Mixing Valve Motor - Nibe 424509
    Sold out
  • Nibe 28mm/22mm 3-way Diverting Body - 824082

    Regular price £129.18 GBP
    Regular price Sale price £129.18 GBP
    Nibe 28mm/22mm 3-way Diverting Body -  824082
  • Vaillant VR92f Wireless Room Stat

    Regular price £89.39 GBP
    Regular price Sale price £89.39 GBP
    Vaillant VR92f Wireless Room Stat
    Sold out
  • Vaillant VRC 700/6 - Display Only

    Regular price £54.00 GBP
    Regular price £90.00 GBP Sale price £54.00 GBP
    Vaillant VRC 700/6 - Display Only
    Sale
  • Nibe RMU 40 - 067064

    Regular price £325.00 GBP
    Regular price Sale price £325.00 GBP
    Nibe RMU 40 - 067064
  • Nibe UPML 25-105 180 Circulation Pump - 259477

    Regular price £729.03 GBP
    Regular price Sale price £729.03 GBP
    Nibe UPML 25-105 180 Circulation Pump - 259477

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