![GROCO Thru-Hull Installation Tool [THT-530] Sea Choice or conventional spray](https://cdn.shopify.com/s/files/1/1680/8011/files/75342XL.jpg?v=1751046782)
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or conventional spray
Blue Smart IP22 12VDC 30A 3 Bank 120V Charger - Dry Mount
providing years of satisfactory service in a variety of marine applications
Displays voltage bar graphs even when AC power is not present
Features a red light for night navigation (60 hrs)
GROCO Thru-Hull Installation Tool [THT-530] Sea Choice or conventional sprayThru Hull Installation Tool Thru Hull Installation Tool The Concept: THT 530 makes the installation of standard GROCO thru hull fittings possible by a single installer. Slide the thru hull fitting, flanged end first, over the tool. (It will stop at the proper step.) Tie a length of monofilament to the eye and place it into the already cut hole in the hull of the boat. Apply caulking to the flange of the fitting, and pull the fitting through the hole
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