Description
Rheem 83-HMI-1TT4 Sight Glass – 1/2 x 5-7/8 in., Sweat ODF replaces 83-ALM-1TT4.Hermetic design minimizes possibility of refrigerant leakage Premium patented 3% high accuracy moisture indicator (compare to 10% on most competitive models) with accurate color calibration at low ppm levels All brass corrosion resistant body and solid copper fittings Suitable for R-22 and R-410A, 680 psig maximum working pressure


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