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Ritchie Engineering 49159 is a dry pressure gauge designed for high-side HVAC and refrigeration pressure measurement. The gauge features a 3-1/8 inch (80 mm) dial with dual Fahrenheit/Celsius and psi markings and is marked for R32 and R410A refrigerants. It uses a 1/8 inch NPT male connection, is constructed of alloy steel, brass, and polycarbonate, and weighs 0.75 lbs.
3-1/8 inch dial; dual F/C and psi; 1/8 inch NPT male; compatible with R32 and R410A refrigerants
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