Description
The Custom Roto-Mold 35 Gallon RV Holding Tank (Part# H-396) is expertly built to handle the demands of mobile water and waste storage for RVs, trailers, van conversions, marine vessels, and more.
This tank features a seamless, rotationally molded design, providing excellent resistance to cracks, impacts, and leakage. Constructed from FDA-approved polyethylene resin, it is compliant with FDA 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe use for potable, grey, or black water applications.
Whether you're building a custom mobile setup or upgrading an existing system, the Tank Superstore team is available to help you select and configure the right tank for your application.
Key Features
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35-Gallon Capacity: Balances volume and footprint for efficient storage in compact or medium mobile systems.
 
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FDA-Compliant Polyethylene Resin: Suitable for fresh (potable), grey, or black water storage.
 
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Seamless Rotationally Molded Construction: Eliminates seam-related failure points for enhanced durability.
 
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Low-Profile Design: Only 8.125" high, ideal for shallow bays, under-bed compartments, or flat mounting spaces.
 
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Blank Tank Format: Ships with no fittings installed, allowing full customization using your preferred DIY fitting kit.
 
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Durable and Lightweight: At 24 lbs, it offers a strong, yet easily manageable installation.
 
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Impact and Vibration Resistant: Built to withstand the rigors of road travel, off-grid environments, and variable weather.
 
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Translucent Natural Color: Enables easy fluid level monitoring without external sensors.
 
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Versatile Utility: Great for use in RVs, boats, food trucks, mobile restrooms, and sanitation trailers.
 
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Made in the USA: Manufactured in Idaho with strict attention to material quality and production standards.
 
Specifications
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Product Type: RV Holding Tank
 
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Part Number: H-396
 
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Capacity: 35 Gallons
 
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Dimensions: 56" L x 28" W x 8.125" H
 
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Weight: 24 lbs
 
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Material: FDA-Compliant Polyethylene
 
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Wall Thickness: Approx. 0.25"
 
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Color: Natural (Translucent White)
 
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Fittings: Blank (No pre-installed fittings)
 
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Manufacturing Location: Idaho, USA
 
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Application: Fresh, Grey, or Black Water
 
Shipping & Warranty
Ships FOB from Idaho (Zip Code: 83605) as Freight Class 250. Liftgate service available for non-commercial or residential delivery locations.
Protected by a 1-Year Limited Warranty covering defects in materials and workmanship under standard conditions.
Price Match Guarantee
If you find the 35 Gallon Custom Roto-Mold Holding Tank (H-396) offered at a lower price by any authorized retailer within 6 months, we’ll match the price and refund the difference.
Contact: info@tanksupplydirect.com