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Super Premium Holding Tank - 31 gallon

Odor-free Trionic marine holding tank, 24”x16”x15”. Heavy-duty 3/8” polyethylene, top fittings, relief valve & Coast Guard compliant design.

Reference: SP-31
In Stock: 5
$480.00

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The Trionic Super Premium Marine Holding Tank delivers the ultimate in odor-free, leakproof performance for your boat’s sanitation system. Constructed from 100% virgin 3/8” wall polyethylene, this tank is exceptionally durable, corrosion-resistant, and designed to provide years of trouble-free service.

Its top-mounted hose connections prevent sewage from standing in the discharge hose — the leading cause of odor permeation in marine sanitation systems. A raised vacuum relief valve with an easy-clean screw cap safeguards the tank during high-vacuum dock pumpouts and prevents collapse caused by clogged vent lines.

Each Trionic Super Premium Tank is precision-engineered and equipped with premium fittings for superior reliability and easy installation.

Includes the following fittings:

  • 1/2” NPT x 5/8” barb vent assembly

  • Inspection port

  • 1-1/2” inlet

  • 1-1/2” outlet (pumpout)

  • Vacuum relief valve

All inlet, outlet, and vent fittings are rotatable to suit various installation setups. An optional overboard discharge is available for an additional $30.

Dimensions:

  • Length: 30 in

  • Width: 20 in

  • Height (with fittings): 15 in

Trionic holding tanks comply with all U.S. Coast Guard requirements, ensuring marine-grade safety, sanitation, and quality you can trust.

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