What material should marine hardware be made of?

For most exposed hardware, 316 stainless steel is the marine standard — it resists salt corrosion far better than 304 stainless or plated steel. Marine-grade aluminum, UV-stabilized nylon, and King StarBoard are also common for non-structural fittings.

How do I know a replacement seat or hatch will fit?

Measure the mounting pattern (bolt spacing), the cutout or base dimensions, and any post diameter or height on the part you’re replacing. Match those to the new part’s specs — outfitting parts follow common sizes but are not universal, so confirming dimensions avoids returns.

Do I need backing plates for deck hardware?

For anything that takes load — grab rails, cleats, ladder steps, seat pedestals — yes. A backing plate spreads the load across a larger area of the deck or transom so fasteners don’t pull through under stress.

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Viking Cylinders

Viking Cylinders 11lb Vertical Fiberglass Composite LPG Cylinder w/Type 1 Valve - OPD, DOT, TC Approved

Manufacturer: Viking CylindersPart #: 1420-0011SKU: 100837

11 lb
40°

$360.00● In stock

Item #: 100837

Category: Deck / Galley

● In stock — ships fast from US warehouses

Ships from US warehouses
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Description

11lb Vertical Fiberglass Composite LPG Cylinder with Type 1 Valve - OPD, DOT, TC Approved This composite propane tank has an internal bladder encased in fiberglass, which allows users to see the gas level. The propane construction also means this cylinder is lighter than a standard steel cylinder.

Features: Non-corrosive 3-layer fiberglass composite cylindrical Ergonomic collar for a nice look The handle makes it easier to carry Type 1 valve Frequent Questions: Where can they be refilled? These cylinders are DOT-approved for the USA, as well as TC-approved for Canada, and can be filled at any reputable refilling station.

How safe are these cylinders? These LPG cylinders are designed with safety in mind.

They started with the boss and blown-molded polypropylene internal bladder, and then the outer winding of fiberglass to ensure a tough finish. Then it is encased in a UV-protected outer casing that allows for light to pass through so that you can see how much propane is left in the cylinder.

"Safest on the market. ” When do they need to be recertified?

Your cylinder needs to be re-qualified every 5 years via an external visual inspection by an approved re-qualifier. As per TC and DOT, the valve does not need to be removed for inspection or replaced here.

How long is the useful life of the cylinder? Currently, the useful life is 15 years from the date of manufacture, and the service life is determined by DOT and TC.

Will cylinders work in cold climates? The cylinders are tested and approved down to -40°F/C.

However, the use of LPG in low temperatures is limited by the vaporization capability of the specific LPG mix. Will the cylinders work in warm climates?

The cylinders are designed to withstand temperatures well above 149°F (65°C), and users who live in hot climates report that the design holds up well to regular use in steamy temperatures. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or o

Specifications

Brand	Viking Cylinders
Part Number	1420-0011
EverTide SKU	100837
UPC	704917017730
Beam Angle	40°

Specifications are provided by the manufacturer. Confirm fitment for your application before ordering, or contact us and we'll help.

Complete your setup

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Returns & warranty

Returns are accepted within 30 dayson items that are unused and in their original packaging. Some items may be subject to a manufacturer restocking fee. Special-order items may not be eligible — if you're unsure, ask us before ordering.

Viking Cylinders productscarry the manufacturer's standard warranty. For a warranty claim or a return authorization, see our full returns policy or contact us.

Boat Outfitting — frequently asked

What material should marine hardware be made of?: For most exposed hardware, 316 stainless steel is the marine standard — it resists salt corrosion far better than 304 stainless or plated steel. Marine-grade aluminum, UV-stabilized nylon, and King StarBoard are also common for non-structural fittings.
How do I know a replacement seat or hatch will fit?: Measure the mounting pattern (bolt spacing), the cutout or base dimensions, and any post diameter or height on the part you’re replacing. Match those to the new part’s specs — outfitting parts follow common sizes but are not universal, so confirming dimensions avoids returns.
Do I need backing plates for deck hardware?: For anything that takes load — grab rails, cleats, ladder steps, seat pedestals — yes. A backing plate spreads the load across a larger area of the deck or transom so fasteners don’t pull through under stress.

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