Written by HVAC Professionals for HVAC Professionals

Sauermann Introduces New Digital Manifolds

The Sauermann Si-RM350 and Si-RM450 digital manifolds are built for modern HVAC and refrigeration work: fast, connected, and A2L-ready.

Be sure to check out he company’s newest digital manifolds, the Si-RM350 and Si-RM450 at National Comfort Institute’s 2025 High-Performance HVAC Summit in Austin, TX, September 9-12.

These instruments are designed to handle tough HVAC jobs with precision, speed, and smart connectivity. Whether working with heat pumps, commercial refrigeration, or mini splits, these tools help High-Performance HVAC™ contractors work smarter, not harder.

Why do these manifolds stand out?

• Work with A1, A2L, and A3 refrigerants, no limitations on the job
• Fast-response NTC sensors for rapid, accurate readings
• Durable anti-glare glass screen, crystal clear, even in direct sunlight
• Parrot-beak temperature clamps for better grip and faster results
• Wireless range up to 328 ft, stay connected from the truck or rooftop
• All-in-one system: pressure, vacuum, temp, and psychrometrics.

Pair these manifolds with Sauermann’s new Pilot app to view live measurements, record data, manage customer profiles, and generate ready-to-send reports. The app is compatible with iOS and Android and is completely free.

The Sauermann instruments ecosystem also includes compatible load scales, vacuum pumps, and accessories. Everything HVAC pros need for charging, evacuating, or commissioning.

Built for real-world work. Engineered for results. Learn more at www.sauermanngroup.com. And be sure to visit them at their Summit booth.