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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  • Stiebel Eltron PT1000 / 2M Sensor

    £19.95 GBP
    £34.95 GBP £19.95 GBP
    Stiebel Eltron PT1000 / 2M Sensor
    Sale

  • Nibe Honeywell 3 Way Valve Inners - 624888

    £69.76 GBP
    £69.76 GBP
    Honeywell 3 Way Valve Cartridge 624888 - light grey with V

  • Nibe Shunt Motor Control - 060354

    £169.99 GBP
    £169.99 GBP
    Nibe Shunt Motor Control - 060354

  • Nibe Large Grey On/Off Knob 518660

    £16.30 GBP
    £16.30 GBP
    Nibe control knob - front view

  • Nibe UPMGEO 25-85 180 Brine Pump 524513

    £618.38 GBP
    £618.38 GBP
    NIBE 524513 Grundfos UPMGEO 25-85 180 brine circulation pump for F1145 F1245 F1345 F1355 ground source heat pumps

  • Nibe Compressor Rubber Feet 424726, 4 Pack

    £50.20 GBP
    £50.20 GBP
    Four Nibe compressor rubber feet part 424726 with metal inserts

  • 3-way Diverting Body 22mm 524279

    £145.29 GBP
    £145.29 GBP
    Nibe 3-Way Diverting Valve Body 524279 - T-port view on light grey background with Varmetec V logo

  • LK 512 Heating MultiSafe Compression fitting 2.5bar

    £68.99 GBP
    £68.99 GBP
    LK 512 Heating MultiSafe Compression fitting 2.5bar

  • Nibe VST05 22mm 089982

    £179.89 GBP
    £179.89 GBP
    Motorised zone valve - full product view

  • Nibe Connection Card 718288

    £89.99 GBP
    £89.99 GBP
    Nibe sensor expansion board - angled view

  • Nibe Relay Card - 718127

    £99.89 GBP
    £99.89 GBP
    Nibe Relay Card - 718127

  • Nibe Temp Sensor - 518721

    £13.94 GBP
    £13.94 GBP
    Nibe Temp Sensor - 518721

  • Nibe High Pressure Stat 618425

    £67.47 GBP
    £67.47 GBP
    Nibe High Pressure Stat 618425

  • Soft Start - MCI 12 CH-M - 3-Phase

    £248.16 GBP
    £310.21 GBP £248.16 GBP
    Soft Start - MCI 12 CH-M - 3-Phase
    Sold out

  • Thermia Relay Module - HPC RM

    £660.00 GBP
    £660.00 GBP
    Thermia Relay Module - HPC RM
    Sold out

  • Nibe Flexi Hose 524253, 600mm Brine Hose

    £92.24 GBP
    £92.24 GBP
    Nibe flexi hose 524253 600mm curved view
    Sold out

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