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.

Show filter Show filter

Filter

124 products

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • Nibe Measurement Card - 018852

    Regular price £299.00 GBP
    Regular price £560.00 GBP Sale price £299.00 GBP
    Nibe Measurement Card - 018852
    Sale
  • 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 ( r )

    Regular price £199.99 GBP
    Regular price £295.65 GBP Sale price £199.99 GBP
    Nibe Relay Card 718223 - Correct Board
    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 624934

    Regular price £236.58 GBP
    Regular price Sale price £236.58 GBP
    Nibe Expansion Valve R407C 624934 - light grey with V
  • Nibe Expansion valve 035018

    Regular price £177.35 GBP
    Regular price Sale price £177.35 GBP
    Nibe Expansion Valve R407C 035018 - light grey with V
  • Nibe Expansion Valve 624931

    Regular price £242.51 GBP
    Regular price Sale price £242.51 GBP
    Nibe Expansion Valve R407C 624931 - light grey with V
  • Nibe Expansion Valve 035027

    Regular price £399.11 GBP
    Regular price Sale price £399.11 GBP
    Nibe Expansion Valve 035027 - light grey with V
  • Nibe Compressor Temperature Limiter Stat 618484

    Regular price £83.07 GBP
    Regular price Sale price £83.07 GBP
    Nibe Compressor Temperature Limiter Stat 618484 - light grey with V
  • Nibe Crankcase heater 518724

    Regular price £33.88 GBP
    Regular price £42.35 GBP Sale price £33.88 GBP
    Nibe Crankcase Heater Silicon 518724 - light grey with V logo
    Sale
  • Nibe Rubber Shock-Absorbers - 424725

    Regular price £63.43 GBP
    Regular price Sale price £63.43 GBP
    Nibe Rubber Shock-Absorbers - 424725
  • Nibe Compressor Screws - 416083

    Regular price £15.00 GBP
    Regular price Sale price £15.00 GBP
    Nibe Compressor Screws - 416083

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