H3858 – 31 Gallon RV Waste Holding Tank | Center End Drain
Direct Replacement for Forest River SH1004 – Durable One-Piece Construction
Upgrade your RV’s waste system with the ICON H3858, a rugged 31-gallon holding tank engineered for durability and performance. This center end drain tank features roto-molded, one-piece construction, making it an ideal solution for replacing cracked or leaky tanks in fifth wheels, travel trailers, or campers.
🔧 Key Features
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OEM Replacement for Forest River RVs
Replaces Forest River part number SH1004 with matching dimensions and fittings. -
Durable Roto-Molded Body
Seamless, one-piece polyethylene construction with spin-welded fittings for maximum strength and leak resistance. -
Certified Quality
IAPMO certified for safety and reliability in RV waste systems. -
Center End Drain Configuration
Ideal for specific plumbing setups requiring central outlet positioning.
📦 Product Specifications
- Part Number: H3858
- OEM Reference: Forest River SH1004
- Capacity: 31 US Gallons
- Dimensions: 53 ¾" L x 21 ¾" W x 8 ½" H
- Drain Location: Center End
- Color: Black
- Material: Roto-molded polyethylene
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Fittings Included:
- 1 x 3" Hub Fitting
- 4 x Pre-installed Tank Level Sensors
⚠️ Important Note
- Please verify measurements and fitting locations before purchase to ensure compatibility with your RV model.
Width: 62.79" (1595mm)
Crossbar Length: 62.40" (1585mm)
130 HR Transit: 104.72" (266.0cm)
148 MR Transit: 132.3" (336.0cm)
148 HR Transit: 81.9" (308.0cm)
148 HR EXT Transit: 150.4" (382.0cm)
Lengths by Vehicle:
Internal Width: 62.22" (1555mm)
130 Transit: 49 lbs
148 Transit: 58 lbs
148 EXT Transit: 74 lbs