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The Ritchie Engineering 49520 is a liquid-filled manifold gauge designed for HVAC professionals. It features a diameter of three and one half inches (90 mm) and calibrated accuracy of one percent, meeting Class 1 standards.
This gauge is filled with glycerin to protect against pulsation, making it suitable for various refrigerants. The color-coded dials improve visibility and ease of use in different working conditions.
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