Testo 550 Digital 3-Port Manifold with Hoses

The Testo 550 Digital 3-Port Manifold with Hoses is your go-to tool for HVAC system diagnostics. It’s designed for both pros and DIYers who need precise measurements and reliable performance. The large, easy-to-read display shows all the data you need at a glance, making it super user-friendly. You’ll appreciate its three ports that help you connect quickly to multiple refrigerants without any hassle. Plus, the included hoses are durable and built to withstand regular use.

What really sets the Testo 550 apart is its smart features. You get built-in pressure and temperature measurements, which means you can calculate superheat and subcooling with just a few taps. No need to juggle multiple tools—this one does it all. It’s compact and portable, so you can take it on any job easily. Whether you’re servicing air conditioning units or refrigerant systems, this manifold saves you time and ensures accuracy, making your work smoother and more efficient.