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The YORK 026-18931-000 sight plug is essential for monitoring liquid or gas levels in closed systems. Its transparent window allows for easy visual inspection of fluid levels without the need to open the system.
This product allows direct observation of fluid levels to ensure proper functioning in mechanical and hydraulic systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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