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Head & Holding Tank Premium Sanitation Hose, 1.88 Inch ID

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Description & Features

Featuring a 1.88-inch internal diameter, the Head & Holding Tank Premium Sanitation Hose by Trident Marine Systems is designed for optimal performance in marine sanitation systems. This premium hose is built with an extra-thick tube and cover, specially compounded to resist odor permeation and withstand winterizing with antifreeze. The inclusion of a helical wire between two-ply reinforcement ensures excellent flexibility and bend radius, making it suitable for various marine environments.

This sanitation hose is recommended for head and holding tank applications, providing the longest odor-free performance in the market. For secure connections, it is compatible with short shank, medium shank, and stainless steel shank type fittings, best used with stainless steel T-bolt clamps.

SKU: 101-1786-TRIDENT

Supplier Part Number (MPN): 101-1786

Alternate Part Numbers: C1GM69

Specifications

Brand
Trident Rubber LLC
Brand
Trident Marine Hose
Pack Size
1.00
UOM
FT
Hose I.D.
1.88
Package Qty.
50 ft roll
Supplier Part Number
101-1786-TRIDENT
Product Weight
0.61 lbs

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Product Questions & Answers (2)

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Question by: Rusty F on Jul 7, 2025, 7:12 PM
got a 1-7/8 inch line on my boat, is this hose actually 1.875 ID or is it one of those “close enough” sizes?
Answer by: Customer Support on Jul 9, 2025, 6:23 AM
For sizing, the inside diameter is listed as 1.875 inch, which is the same as 1-7/8 inch. It’s intended for head and holding tank sanitation runs where that ID is needed.
Question by: Larry W on Feb 20, 2026, 6:05 PM
does this hose hold up alright when you're winterizing with antifreeze? heard some hoses get stiff or crack after a season or two
Answer by: Customer Support on Feb 22, 2026, 8:40 AM
The tube and cover on this hose are specially compounded to handle winterizing with antifreeze, so running antifreeze through it during layup is not a problem. The material is built to resist that kind of exposure without breaking down over time. That said, self-draining installations are still the recommended setup for longest service life, even with a hose this tough.

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