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 RMU S40 Digital Unit - 067650

    Regular price £336.00 GBP
    Regular price Sale price £336.00 GBP
    Nibe RMU S40 Digital Unit - 067650
  • Nibe Processor Card - 518848

    Regular price £182.63 GBP
    Regular price Sale price £182.63 GBP
    Nibe Processor Card - 518848
  • Nibe 3-Way Valve - 818217

    Regular price £189.99 GBP
    Regular price Sale price £189.99 GBP
    Nibe 3-Way Valve - 818217
    Sold out
  • Nibe GSHP Filter Drier - 624952

    Regular price £69.89 GBP
    Regular price Sale price £69.89 GBP
    Nibe GSHP Filter Drier - 624952
  • Nibe Temp Limiter Stat - 518636

    Regular price £70.04 GBP
    Regular price Sale price £70.04 GBP
    Nibe Temp Limiter Stat - 518636
  • Nibe Expansion Card - 818166

    Regular price £79.99 GBP
    Regular price Sale price £79.99 GBP
    Nibe Expansion Card - 818166
  • Nibe PCBA Relay Card - 818168

    Regular price £75.99 GBP
    Regular price Sale price £75.99 GBP
    Nibe PCBA Relay Card - 818168
  • Nibe X-Relay Card - 718342

    Regular price £99.89 GBP
    Regular price Sale price £99.89 GBP
    Nibe X-Relay Card - 718342
  • Nibe Connection Card - 718288

    Regular price £89.99 GBP
    Regular price Sale price £89.99 GBP
    Nibe Connection Card - 718288
  • Nibe Load Monitor Card EBV - 718142

    Regular price £217.32 GBP
    Regular price Sale price £217.32 GBP
    Nibe Load Monitor Card EBV - 718142
  • Nibe Measurement Card - 018852

    Regular price £299.00 GBP
    Regular price £560.00 GBP Sale price £299.00 GBP
    Nibe Measurement Card - 018852
    Sale
  • Nibe Display Unit - 718481

    Regular price £99.34 GBP
    Regular price Sale price £99.34 GBP
    Nibe Display Unit - 718481
  • Grundfos MAGNA1 25-60 180

    Regular price £299.99 GBP
    Regular price Sale price £299.99 GBP
    Grundfos MAGNA1 25-60 180
  • Nibe Relay Card - 718223

    Regular price £199.99 GBP
    Regular price £235.62 GBP Sale price £199.99 GBP
    Nibe Relay Card - 718223
    Sale
  • Nibe CPU v1.43 res - 718129

    Regular price £338.47 GBP
    Regular price Sale price £338.47 GBP
    Nibe CPU v1.43 res - 718129
  • Nibe Expansion Valve R407C - 624934

    Regular price £236.58 GBP
    Regular price Sale price £236.58 GBP
    Nibe Expansion Valve  R407C - 624934

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