Expert technical support
when you need it

Technical Support

We know how important it is for you to be able to quickly get an answer to a technical query. It is why we ensure that our knowledgeable Customer Engineering team is available when you need them, no matter where you are in the world.

Key Benefits

Dependable expertise

Our team consists of expert HVAC engineers experienced in a range of different fields who can help to answer your technical enquiry.

Regular updates

Our team regularly circulates important and useful technical information and updates to ensure you are always kept informed.

Our Rail Solutions

Grayson Thermal Systems design, manufacture, and supply driveline cooling, heating, and air conditioning products to low volume vehicle industries worldwide, including bus, coach, rail, off-highway, commercial vehicles and more. 

BTMS

Electric Water Pumps

Electric Water Heaters

Our Services

Grayson Thermal Systems design, manufacture, and supply driveline cooling, heating, and air conditioning products to low volume vehicle industries worldwide, including bus, coach, rail, off-highway, commercial vehicles and more. 

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Fast and reliable support

Our relationship with you does not end after the installation of your new heating and cooling system – we are always just a phone call away when you have a technical question.

We invest in ensuring we have talented and experienced engineers who can help you quickly find the solution to your technical requirements.

Additionally, we regularly publish useful bulletins and updates, sharing best practices and important information about your systems.

It means you can enjoy the peace of mind that a dedicated team of professionals are just a click or phone call away when you need us.

If you have a technical enquiry, contact us today. and let us assist you today.

Grayson Thermal Systems are a registered agent of Forman (Firetrace) Fire Suppression Systems. Our highly skilled engineers are qualified to fit brand new Forman fire suppression systems as well as service and maintain Forman systems already fitted. We also carry stock to supply any components required from our parts warehouse quickly.

We are the UKs leading supplier of Automatic engine bay Fire Suppression for buses, with over 12 thousand kits in the field – in conjunction with our innovative ´V´ series products – we believe we offer the complete bespoke package for your safety and security needs.

Forman Vehicle Services was established in 1989 and has been responsible for providing outstanding service/ products ever since. Our specialty is in the supply and installation of auto-electrical products and fire suppression. Our regular customers range from bus manufacturers and national operators to small privately owned fleets.

    Aftermarket Parts & Products

    Access original equipment-quality products from us and a select number of global distribution partners to ensure your vehicle continues to provide optimised performance. We stock and distribute a wide range of aftermarket parts and products to ensure you get the part you need, when you need it.

    Servicing and Maintenance

    Regular vehicle maintenance is crucial to maintaining maximum fleet availability. By working with our dedicated Service Division, we can provide service and maintenance support across a variety of HVAC and thermal management systems, helping to minimise costly downtime and maximise your system’s operational lifetime.

    Learn more about us

    Products

    We work with you to provide thermal management solutions that meet your needs, no matter what the application. Discover our product ranges today.

    Downloads

    Looking for more information? From product brochures to detailed technical specifications, all our literature is easily and freely accessible at our Downloads Centre.

    Sectors

    From innovative electric-powered and hydrogen-powered buses to retrofit solutions for off-highway applications, we have the experience and expertise to meet the needs of your application.