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Model 898 Sight Glass

300 WSP @ 450 F Max600 WOG 100% Pressure Tested Threaded Ends Designed to Boiler and Presssure Vessel Code Section 1 and ASME B31.1

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Armored sight glass body. Can be paired with 900 series 1/2" and 3/4" sight glass valves to make a complete gauge set to mount to Mcdonnell and Miller center dimensions.

Install Using United Brass Gauge Valve Sets Only. Can Be Used to Maintain 11 1/2” and 12 3/4” Center-To-Center Dimensions Depending on How They Are Installed.

Compatible with McDonnell Miller 157S, 157S-A, 157S-R, 157S-RL,193, 193-A, 193-B, 193-D, 193-G

*Contains Lead. Not for Use in Potable Water Systems