HVAC/R engineers! If you're craving smarter, faster manifold measurements, then upgrading with Testo will deliver the accuracy and efficiency you need, as well as free tools guaranteed to improve testing ease and convenience. For the rest of 2025, Testo is running not one, not two, but three promotions on their range of digital manifolds. Between 1st September and 31st December 2025, you’ll get a free gift with Testo’s 550i, 550s, and 558s Digital Manifolds and Smart Manifold Kits. There are three possible gifts available; keep reading to find out which freebie you can expect to receive this autumn.
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Free Gift with Testo Digital Manifolds
Testo’s 550i, 550s, and 558s Digital Manifolds and accompanying kits (as outlined below) all qualify for this offer. Depending on which model you select, you’ll receive either a free spanner set, a free work light, or a free heavy-duty organiser.
Go Digital with Testo Smart Manifolds
Free Spanner Set with Testo 550i - Work Quickly with the Correct Tools
This autumn, when you purchase a Testo 550i Digital Manifold, 550i Smart Kit, or 550i Heat Pump Kit, you’ll receive a free spanner set. Always have the necessary tools at hand so you never waste time searching for the correct size spanner again!
Testo 550i Digital Manifolds
Testo’s 550i Digital Manifold is a two-way valve block with Bluetooth designed for commissioning, servicing, and maintaining refrigeration systems and heat pumps.
- Fully operated via Bluetooth and the Testo Smart App - work easily and intuitively
- View and document measurements via the Testo Smart App - complete jobs on-site, save time
- Testo Smart App automatically calculates refrigerant-specific evaporation and condensation temperatures - makes testing simpler
- Wirelessly connect to Testo Smart Probes via the app and Bluetooth - seamlessly integrate temperature, humidity, and pressure measurements
- Durable IP54 housing with robust hook - ready for all work sites
- Ideal for AL2 refrigerant
Secure Your FREE Testo Spanner Set
Free Work Light with Testo 550s - Keep Working, Even After Hours (If You Want To)
Never struggle to test in dark or dimly lit sites ever again! Between September 1st and New Year’s Eve, you’ll be gifted a free work light when you purchase a Testo 550s Smart Digital Manifold, 550s Smart Kit, 550s Smart Kit with Hoses, or Heat Pump Kit.
Testo 550s Smart Digital Manifolds
The Testo 550s Smart Digital Manifold is a compact and robust two-way valve block with Bluetooth connectivity. It is optimised for commissioning, servicing, and maintaining heat pumps and refrigeration systems, especially those with A2L refrigerant.
- Wirelessly connects to the Testo Smart App and Testo Smart Probes, expanding measurement scope - measure temperature, humidity, and pressure
- Large, graphic display - work efficiently thanks to an easy-to-read screen
- Programs and measurement menus guide users through the process - don't lose time to confusion ever again
- Automatically determines system parameters such as superheat, pressure drop test or vacuum - makes testing simpler
- View measurements and create digital documents via the Testo Smart App - complete jobs on-site, saving time
- Set favourites in the Testo Smart App, which may be transferred to the 550s - faster, easier measurement
Never Get Hampered by Darkness Again with Testo’s FREE Work Light
Free Heavy-Duty Organiser with Testo 558s - Order & Protect Your Tools So You Can Work Efficiently
Receive a free heavy-duty organiser when you purchase a Testo 558s Smart Digital Manifold Vacuum Kit, Vacuum Kit with Hose Set, Heat Pump Kit, or Heat Pump Kit with Hose Set - organise your tools and components so you can work easily and efficiently!
Testo 558s Smart Digital Manifolds
Optimise Job Efficiency with Testo’s FREE Heavy-Duty Organiser
Compatible with over 96 refrigerants, including Class A3 and A2L flammable refrigerants, the Testo 558s Smart Digital Manifold is a four-way valve block with an intuitive touchscreen and Bluetooth connectivity.
- Data logging with 30-minute trend curves - log data and track 30-minute trends curves for fast, reliable diagnostics
- IP54 - built to meet the challenges of rugged worksites
- Touchscreen and function buttons for easy operation even when wearing gloves - work easily and efficiently
- Connect to the Testo Smart App and Testo Smart Probes via Bluetooth - expand measurement scope and complete documentation on-site
- All-in-one tool through wireless connection to Testo Smart Probes - expand testing to include temperature, humidity, and pressure
- OTA updates add new refrigerants - ensures the manifold is always up-to-date and ready for any job
Supercharge Your Workflow with Testo Smart Manifolds
Further Information
For more information about Testo’s three awesome autumn manifold offers, contact our Sales team on 01642 931 329 or contact us via our online form.
In the meantime, please browse our extensive selection of Testo digital manifolds.
