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SB_ sight glass flange R3221 $37.74


Product Details

Found under the following brands: Unoair, Square D, Watts, WEG, Champion, ACS, Hosetract, Hubbell-Furnas, Kellogg
Part Number: R3221


The oil sight glass allows the user to check the oil level in a pump. If cloudy, clean or replace. The oil level should be right at the red dot in the center of the sight glass, or right in the center of the red circle (depending on the sight glass). If above, drain some oil; if below it, add oil.

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