Where is Back Flow Preventer on Nautilus P2.5
Updated 10/30/2025 | Published 02/25/2025
Question:
I have a Nautilus P2.5 water control. Where would the back flow protector be?
asked by: Gary L
0
Nautilus Hoses
(click to enlarge)
(click to enlarge)
Expert Reply:
Hey Gary, if you open the control panel the back flow prevention device of your Nautilus P2.5 water control should be near the water inlet connection. Should be on the white hoses.
expert reply by:
Jameson C
0
Product Page this Question was Asked From
B&B RV In-Line Check Valve - Black
- RV Fresh Water
- Prevent Backflow
- Valves
- Plastic
- Check Valve
- 1/2 Inch
- Threaded
- B and B Molders
more information >
Continue Researching
- Video: An In-Depth Look at the B and B RV In-Line Check Valve
- Shop: B&B RV In-Line Check Valve - Black
- Video: Hands-On with the Replacement Plastic Check Valve for B and B Molders City Water Inlet
- Shop: Valterra Dual RV Water Inlets - City Water and Gravity Fill - Plastic Valve
- Shop: B&B Dual RV Water Inlets - City Water and Gravity Fill - Plastic Check Valve - Black
- Shop: Flow Max RV Kitchen Faucet - Single Lever Handle - Stainless Steel
- Shop: Replacement Plastic Check Valve for B&B Molders City Water Inlet - Black
- Search Results: rv water check valve
- Search Results: lippert waste master
- Shop: Valterra Check Valve for RV Fresh Water Systems - Dual 1/2" MPT - Brass
- Search Results: check valve rv fresh water
- Search Results: black rv faucets
- Search Results: black rv water inlets
- Article: Trailer Wiring Diagrams
- Shop: Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector
- Search Results: trailer hitch
- Q&A: What is the Difference Between a Class II and a Class III Hitch?
- Shop: Trailer Hitch
- Q&A: Lug Nut Torque Chart for Trailer Wheels
- Video: Firestone Ride-Rite Air Bags with Easy Mount Compressor Feature Breakdown
- Search Results: trailer tires and wheels
- Shop: Trailer Wiring
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: How to Measure Your Trailer Wheel Bolt Pattern
- Shop: Suspension Enhancement
- Q&A: Comparing Kenda KR03, KR35, And KR53 Tires
- Q&A: What is the Difference Between a 4-Way and 7-Way Trailer Connector
- Shop: Brake Controller
- Article: How to Measure for Trailer Hitch Drop
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
Explore Expert Info
![Our Expert]()
on RV Fresh Water
on RV Fresh Water
Jameson C.
10/30/2025
Hey Gary, did you find the back flow protector near the water inlet on your Nautilus P2.5? Knowing where it ended up could help others trying to locate the same part.