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Custom Roto-Molding

37 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-478)

37 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-478)

SKU: MW-478

Regular price
Price: $391.00
Regular price
List Price:
Sale price
Price: $391.00
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Description

The Custom Roto-Mold 37 Gallon Marine Water Tank (Part# MW-478) is purpose-built to deliver reliable, compact potable water storage for a variety of mobile and marine applications. Its low-profile design is ideal for shallow compartments, under-bench installations, or deck-mounted layouts in boats, RVs, and expedition vehicles.

Crafted using rotational molding technology, this tank features a seamless one-piece polyethylene construction that enhances long-term durability and minimizes the risk of leaks, cracks, or structural failures. The tank is constructed with FDA-approved polyethylene resin and is compliant with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it suitable for safe potable water storage.

Key Features
  • 37-Gallon Capacity. Ideal for mid-sized potable water systems in marine and RV settings.
  • Seamless Rotational Molded Body. One-piece tank design resists cracking, splitting, and leaks.
  • FDA-Approved Resin. Safe for storing potable water; compliant with FDA 21 CFR 177.1520.
  • Space-Saving Dimensions. Measures 55" L x 24" W x 7" H—great for low-clearance installations.
  • Blank Tank Configuration. Ships without pre-drilled or installed fittings for full installation flexibility.
  • Marine-Grade Durability. UV-stabilized and resilient to saltwater exposure and vibration.
  • Translucent Natural Color. Allows easy visual monitoring of water levels.
  • USA-Made. Proudly manufactured in Oregon with high quality standards.
  • Lightweight & Easy to Handle. Weighs only 49 lbs for its storage capacity.
Specifications
  • Product Type: Marine fresh water tank
  • Part Number: MW-478
  • Capacity: 37 gallons
  • Dimensions: 55" L x 24" W x 7" H
  • Weight: 49 lbs
  • Material: FDA-compliant polyethylene
  • Wall Thickness: Approx. 0.25"
  • Color: Natural (translucent white)
  • Fittings: Blank (no pre-installed fittings)
  • Manufacturing Location: Oregon, USA
  • Application: Potable water (marine, RV, off-grid, mobile)
Shipping & Warranty

Ships FOB from Idaho (Zip Code: 83605). Freight Class: 250. Liftgate service available upon request for residential or limited-access locations.

Backed by a 1-Year Limited Warranty covering material and manufacturing defects under normal conditions.

Price Match Guarantee

If you find the 37 Gallon Custom Roto-Mold Marine Water Tank (MW-478) offered for less by an authorized dealer within 6 months of your purchase, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com


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