B&B Molders Nautilus P4 H2O RV Water Management Panel – Black

Transform Your RV Water System Management

Tired of struggling with multiple valves, connections, and confusing plumbing configurations? The B&B Molders Nautilus P4 H2O System brings order to chaos by consolidating your entire RV water management system into one intelligently designed control panel. Whether you’re a weekend warrior or full-time RVer, this panel makes water system operations simple, safe, and stress-free.

What Makes the Nautilus P4 Different?

Unlike basic water inlet panels, the Nautilus P4 is a complete water management solution. B&B Molders engineered this system to handle every aspect of your RV’s water needs – from filling and sanitizing your fresh water tank to winterizing your entire plumbing system and flushing your black tank. Everything you need is right at your fingertips, with color-coded diverter handles and clear function legends that eliminate guesswork.

Complete Water System Control

Fresh Water Management:

• • • Power fill your fresh water tank for dry camping and boondocking
    • Connect to city water at campgrounds with built-in pressure regulation
    • Use your pump to supply water to fixtures from the fresh water tank
    • Siphon fill or sanitize your tank from a bucket or external source

Winterization & Protection:

• • • Full system winterization mode to protect plumbing from freeze damage
    • Bypass your hot water heater during winterization to prevent damage
    • LED pump indicator light enables easy one-person winterizing
    • Clear visual reference for all winterization valve positions

Sanitation & Maintenance:

• • • Built-in black tank flush system with check valve
    • Helps control odors and prevent sewage buildup
    • Hot/cold outdoor faucet with quick disconnect for rinsing
    • Wash off boots, tools, pets, or outdoor gear without going inside

Additional Features:

• • • Three coax connections for satellite, cable, and auxiliary feeds
    • All plumbing connections are standard 1/2″ NPT
    • Color-coded diverter handles (white, red, green, blue) for easy operation
    • Function reference diagram printed directly on panel face
    • Weather-resistant black finish for exterior mounting
    • All mounting hardware, switches, and hex coax plugs included
      
      

Professional-Grade Construction

This is the same OEM panel installed by major RV manufacturers including Keystone, Forest River, Grand Design, and many others. Made in the USA and certified by NSF and SCA, it meets all safety and quality standards for potable water systems. The rugged construction stands up to years of use, exposure to the elements, and the rigors of life on the road.

Perfect Replacement or Upgrade

If your existing Nautilus P4 panel is damaged, worn, or outdated, this is a direct drop-in replacement with the exact same cutout dimensions and connection points. It’s also an excellent upgrade for older RVs with basic water inlet panels – dramatically improving functionality and ease of use.

Technical Specifications

• Cutout Size: 10″ W x 11-1/2″ H
• Overall Dimensions: 11-1/2″ W x 12-3/4″ H x 7-1/8″ D
• Hose Connections: 1/2″ NPT (male pipe thread)
• Outdoor Faucet: Requires 1/4″ NPT industrial quick disconnect
• Color: Black
• Weight: Approximately 3 lbs
• Finish: Weather-resistant powder coat
• Certification: NSF, SCA certified
• Country of Origin: Made in USA
• Warranty: Manufacturer’s warranty included