Testo Summer Flue Gas Analyser Promotion 2025: The Tools You Need, Plus a Gift You’ll Use
This summer, Testo is giving engineers even more reason to upgrade their flue gas analyser setup. From 1st May to 31st August 2025, when you purchase selected Testo flue gas analysers, you’ll receive a free gift tailored to your kit. Whether you’re commissioning boilers, conducting safety checks, or servicing systems, there’s never been a better time to invest in high-performance Testo equipment.
What’s the Offer?
Get a free Testo gift with any of the following analyser purchases:
Buy a Testo 310 (2nd Gen) – receive a FREE 9-piece Spanner Set
Buy any Testo 327 Kit – receive a FREE Testo Engineer Toolbag
Buy a Testo 300+ or 300LL – receive a FREE Testo Engineer Backpack
No forms, no codes – your gift is packed with your order, ready to go.
Meet the Line-Up: Which Analyser is Right for You?
Testo 310 (2nd Gen) – Compact, Reliable, and Ready for Domestic Work
Ideal for domestic engineers, the Testo 310 (2nd Gen) is the go-to tool for everyday flue gas checks, boiler installations, and servicing. Its kink-resistant hose, robust build, and intuitive display make it user-friendly and dependable. With measurements for CO, O2, temperature, draught, and more, it also connects to the Testo Smart App for easy data management and reporting.
Hands-free operation via integrated magnets, a quick-to-empty condensate trap, and up to 10 hours of battery life all make the 310 a practical choice. Whether you’re testing flue gas loss or checking gas flow pressure, the Testo 310 offers the essentials in a tough and compact package.
Free Gift: 9-piece Spanner Set – practical, durable, and perfect for any toolkit.
Testo 327-1 – The Everyday Workhorse
The Testo 327-1 is designed for daily use in boiler commissioning and servicing. With real-time display of four measurement parameters, this analyser handles O2, CO, temperature, and calculates efficiency, ratios, and CO2 levels with ease. It’s suitable for multiple fuel types, including hydrogen blends up to 20%, and is built to last with a tough outer casing and built-in pump protection.
With the ability to perform let-by and tightness testing (when used with accessories), and offering comfort features like magnetic mounting and an easy-empty condensate trap, the 327-1 is a solid step up for engineers ready for a reliable all-rounder.
Free Gift: Engineer Toolbag – strong, spacious, and built to handle site life.
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Testo 300+ – Touchscreen Precision and Smart Connectivity
The Testo 300+ takes things further with a 5-inch colour touchscreen, smart reporting features, and a high-capacity CO sensor (up to 8,000 ppm with H2 compensation). Designed for both domestic gas and oil systems, this analyser delivers pinpoint accuracy and user-friendly operation.
It supports Bluetooth Smart Probe integration, offers WLAN reporting, and stores customer data with ease. The durable screen is scratch-resistant, and the analyser itself offers up to 10 hours of battery life. IP40-rated and EN50379-compliant, the 300+ is made for engineers who want robust performance and smart features in one unit.
Free Gift: Engineer Backpack – sleek, sturdy, and big enough for all your tools and tech.
Testo 300LL – Built for the Long Haul
Designed for demanding environments and extended use, the Testo 300LL includes long-life sensors and quick-change probe functionality. The high-resolution touchscreen and smart, smartphone-like interface make it easy to operate, even for complex readings. With optional NO measurement, Bluetooth and app support, and robust data documentation capabilities (including PDF reporting with digital signatures), the 300LL is ideal for those managing large sites or needing deeper reporting functionality.
With 10 hours of runtime and fast startup, it keeps pace with even the busiest schedules.
Free Gift: Engineer Backpack – carry your long-life gear in comfort and style
Why Upgrade Now?
Free, high-quality Testo gear included with every eligible analyser
Future-ready features like Bluetooth connectivity, smart reporting, and app integration
Longer lifespan sensors and reduced servicing costs in advanced models
Fully compliant with BS7967 and EN50379 standards
Whether you’re just starting out or looking to upgrade to the latest smart tools, this summer is the time to invest. Choose your analyser, enjoy the extra value, and make sure you’re ready for whatever the job throws at you.
Don’t Forget: Testo Digital Manifolds Are Also Part of the Deal
Alongside flue gas analysers, Testo’s high-performance digital manifolds are also included in this summer’s promo. Perfect for refrigeration, air conditioning, and heat pump work, these tools deliver advanced diagnostics, wireless control, and rugged reliability – with a bonus gift to match.
Buy a Testo 550i – get a FREE 9-piece Spanner Set
Buy a Testo 550s – get a FREE Engineer Toolbag
Buy a Testo 558s – get a FREE Engineer Backpack
Whether you prefer the fully app-controlled 550i or the graphical interface of the 550s, these manifolds offer powerful Bluetooth connectivity, compatibility with the Testo Smart App, and support for a wide range of refrigerants. The 558s also includes advanced vacuum measurement and tightness testing for deeper diagnostics.
Engineers can now also choose between standard models or new versions with an integrated sightglass – offering even more visibility during system charging.
Whichever model you choose, you’ll get trusted Testo precision – and a useful gift to take with you on every job.
Offer valid from 1st May to 31st August 2025. While stocks last. Already bought one of these this year? Get in touch – we’ll make sure you don’t miss out.
