Wide Compatibility: This upgraded 49138 compound 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 49138 blue 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 49138 compound gauge features a 3-1/8" (80 mm) blue dial with a range of 30" Hg to 350 psi (°F). It is engineered with 500 psi retard protection to safeguard against sudden pressure surges. The gauge has a 1/8" NPT external thread connection
Precision Readings: The 49138 blue manifold 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
Leak-Proof Design: The threaded connections on the 49138 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
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
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