Sauermann Si-RM350 2-Way Manifold
is backordered and will ship as soon as it is back in stock.
Sauermann Si-RM350 Digital 2-Way Wireless HVAC Manifold Gauge
The Sauermann Si-RM350 is a professional-grade digital manifold gauge designed for HVAC and refrigeration technicians performing commissioning, maintenance, diagnostics, evacuation, and refrigerant charging on heat pumps, air conditioning systems, refrigeration equipment, and reversible systems.
Built with advanced wireless technology and smart diagnostics, the Si-RM350 delivers fast, accurate readings while simplifying troubleshooting in the field. Its rugged IP54-rated housing, anti-reflective graphical display, and long 300-hour battery life make it ideal for demanding residential, commercial, and industrial HVAC applications.
Compatible with A1, A2L, A2, and A3 refrigerants, the Si-RM350 supports a massive refrigerant database including R32, R410A, R134a, R404A, R407C, R290, R1234yf, and many more. The system also integrates with the Sauermann Pilot mobile app for wireless connectivity, smart assistant functions, data logging, and enhanced system analysis.
Key Features
Professional digital 2-way HVAC manifold gauge
Designed for refrigerant handling, maintenance, and commissioning
Compatible with A1, A2L, A2, and A3 refrigerants
Wireless connectivity with Sauermann Pilot app
Fast, comprehensive HVAC system diagnostics
Durable anti-reflective glass screen for outdoor visibility
High-speed NTC temperature sensors
Rugged IP54-rated construction
Long 300-hour battery life
USB-C and AA battery power options
Supports pressure, temperature, vacuum, and hygrometry measurements
Applications
Heat pumps
Air conditioning systems
Refrigeration systems
Commercial HVAC service
Residential HVAC maintenance
Refrigerant charging and evacuation
HVAC commissioning and diagnostics
Technical Specifications
Pressure Range: -14 PSI to 870 PSI
Protection Rating: IP54
Wireless Connection: Yes
Power Supply: 4 AA batteries or USB-C
Display Type: Graphical digital display
Operating Temperature: -4°F to 122°F
Connection Ports: 3x 1/4" MFL male fittings
Weight: Approximately 2.2 lbs
Included in the Kit
Sauermann Si-RM350 Digital Manifold
Adjusting certificate
Hard plastic carrying case
Compatible Accessories & Probes
Si-RV4 Wireless Vacuum Probe
Si-RP4 Wireless Pressure Probe
Si-RT2 Wired Temperature Clamp
Si-RT7 Wireless Temperature Clamp
Si-RT5 Wired Temperature Probe
Si-TH4 Hygrometry / Temperature Probe
Si-RS1 Digital Refrigerant Scale
Perfect for professional HVAC technicians looking for a reliable wireless digital manifold gauge with advanced diagnostics, broad refrigerant compatibility, and smart mobile app integration.
Technical Documents
Technical Data Sheet
User Manual
Simplified Manual
Product Brochure
Warranty Information
Sauermann products are built for professional HVAC and refrigeration applications and are backed by the manufacturer’s warranty against defects in materials and workmanship. Contact us for complete warranty details and support information.
I am very happy with my experience. We had a shipping issue on my first order, and after working with PLUMBESTORE, they sent me another part ASAP. The part arrived very quickly and as described.
SanCO2 products are exemplary.but what was most impressive about my recent order was the superb service of PlumbEstore as provided by David. Great efficiency, accuracy, expertise and delivery were perfect. That is a true rarity in today's professional marketplace and deserves recognition & support.
As a professional looking for a reliable cold-climate solution, I'm impressed by the Panasonic EVI compressor and R32 specs. Can you provide more data or user feedback on how this 60,000 BTU unit maintains its COP and performance when temperatures drop below -22°F for extended periods?
As a professional looking for high-performance CO2 heat pump solutions, the technical specifications of the GS5-45HPC-D are impressive. The 4.5kW capacity and 10-year warranty on refrigerant components signal the reliability I look for in premium HVAC investments.
As a professional looking for a cold-climate solution, the Panasonic EVI compressor and R32 refrigerant specs are impressive. The -22°F operating range is exactly the kind of reliability I need for northern winters. Build quality looks top-tier.
Sauermann Si-RM350 Digital 2-Way Wireless HVAC Manifold Gauge
The Sauermann Si-RM350 is a professional-grade digital manifold gauge designed for HVAC and refrigeration technicians performing commissioning, maintenance, diagnostics, evacuation, and refrigerant charging on heat pumps, air conditioning systems, refrigeration equipment, and reversible systems.
Built with advanced wireless technology and smart diagnostics, the Si-RM350 delivers fast, accurate readings while simplifying troubleshooting in the field. Its rugged IP54-rated housing, anti-reflective graphical display, and long 300-hour battery life make it ideal for demanding residential, commercial, and industrial HVAC applications.
Compatible with A1, A2L, A2, and A3 refrigerants, the Si-RM350 supports a massive refrigerant database including R32, R410A, R134a, R404A, R407C, R290, R1234yf, and many more. The system also integrates with the Sauermann Pilot mobile app for wireless connectivity, smart assistant functions, data logging, and enhanced system analysis.
Key Features
Professional digital 2-way HVAC manifold gauge
Designed for refrigerant handling, maintenance, and commissioning
Compatible with A1, A2L, A2, and A3 refrigerants
Wireless connectivity with Sauermann Pilot app
Fast, comprehensive HVAC system diagnostics
Durable anti-reflective glass screen for outdoor visibility
High-speed NTC temperature sensors
Rugged IP54-rated construction
Long 300-hour battery life
USB-C and AA battery power options
Supports pressure, temperature, vacuum, and hygrometry measurements
Applications
Heat pumps
Air conditioning systems
Refrigeration systems
Commercial HVAC service
Residential HVAC maintenance
Refrigerant charging and evacuation
HVAC commissioning and diagnostics
Technical Specifications
Pressure Range: -14 PSI to 870 PSI
Protection Rating: IP54
Wireless Connection: Yes
Power Supply: 4 AA batteries or USB-C
Display Type: Graphical digital display
Operating Temperature: -4°F to 122°F
Connection Ports: 3x 1/4" MFL male fittings
Weight: Approximately 2.2 lbs
Included in the Kit
Sauermann Si-RM350 Digital Manifold
Adjusting certificate
Hard plastic carrying case
Compatible Accessories & Probes
Si-RV4 Wireless Vacuum Probe
Si-RP4 Wireless Pressure Probe
Si-RT2 Wired Temperature Clamp
Si-RT7 Wireless Temperature Clamp
Si-RT5 Wired Temperature Probe
Si-TH4 Hygrometry / Temperature Probe
Si-RS1 Digital Refrigerant Scale
Perfect for professional HVAC technicians looking for a reliable wireless digital manifold gauge with advanced diagnostics, broad refrigerant compatibility, and smart mobile app integration.
Technical Documents
Technical Data Sheet
User Manual
Simplified Manual
Product Brochure
Warranty Information
Sauermann products are built for professional HVAC and refrigeration applications and are backed by the manufacturer’s warranty against defects in materials and workmanship. Contact us for complete warranty details and support information.