Testo 316-4 Refrigerant Leak Sensor Head (Replacement / Spare)
What is the Testo Spare Leak Detector Head?
The Testo spare sensor head is a high-sensitivity replacement probe designed for HVAC engineers and refrigeration technicians carrying out refrigerant leak detection. It restores the performance of your Testo leak detector, ensuring accurate detection of even the smallest leaks in cooling and air conditioning systems.
Ideal for professionals searching for refrigerant leak detector sensors, HVAC leak detection accessories and calibration-ready testing equipment in the UK, this replacement head keeps your equipment working reliably and efficiently.
How does the Testo improve leak detection performance?
With an extremely high sensitivity of <3 g/a, this sensor head enables precise detection of leaks across a wide range of refrigerants, including CFC, HFC and hydrogen-based gases. Its quick and simple replacement process minimises downtime, helping HVAC technicians maintain productivity on site.
Designed for compatibility with Testo leak detectors, it ensures consistent performance and accurate diagnostics during servicing, commissioning and maintenance tasks.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on orders over £99
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.
