Forum Discussion
Hikerdogs
Sep 04, 2018Explorer
The drain tube is flat at the bottom end similar to this:
https://www.environmentalmarine.com/kit-db-valve-1-1-2-black-2-pack-310076/?gclid=EAIaIQobChMIkvKBjq6h3QIVF57ACh2JyQx6EAQYAyABEgJz7vD_BwE
The weight of the water in the tube will cause it to open. When the water is evacuated the end closes so no air or moisture can be ingested
https://www.environmentalmarine.com/kit-db-valve-1-1-2-black-2-pack-310076/?gclid=EAIaIQobChMIkvKBjq6h3QIVF57ACh2JyQx6EAQYAyABEgJz7vD_BwE
The weight of the water in the tube will cause it to open. When the water is evacuated the end closes so no air or moisture can be ingested
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