Wide Compatibility: This upgraded 49137 refrigeration pressure gauge is compatible with common refrigerants such as R-22, R-404A, and R-410A. Specifically designed for the maintenance, charging, and recovery of HVAC refrigeration systems
High-Quality Materials: The 49137 manifold gauge features a rugged steel shell and scratch-resistant polycarbonate crystal for clarity and protection. This robust build stands up to harsh conditions for extended service life
Product Specifications: The 49137 manifold gauge features a 3-1/8" (80 mm) red dial with a range of 0-800 psi, and 1/8" NPT external thread connections
Precision Readings: The 49137 red pressure gauge achieves 1% calibration accuracy. Refrigerant types are color-coded to help technicians quickly identify and accurately read values, meeting the stringent demands of professional HVAC engineers
Attention: This product operates under high pressure. Follow all safety guidelines regarding refrigerant handling including wearing Personal Protective Equipment such as safety glasses and gloves
Leak-Proof Design: The threaded connections on the 49137 blue compound gauge feature a leak-proof payer for enhanced sealing. Its smooth surface and low-friction properties help achieve a tight, leak-resistant fit at pipe fitting joints