3-Way by-Pass RV Winterizing Kit




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  • $59.99
  • Regular price $79.99


Stay Warm, Stay Dry – The Only RV Winterizing Kit You’ll Ever Need!

“This kit made winterizing my RV a breeze. The dual shut-off valves gave me precise control, and the brass build feels solid and dependable. I didn’t even need to run to the hardware store—everything I needed was included. Highly recommend!” — Jason H.

Why Get Our 3-Way by-Pass RV Winterizing Kit?

✅ Efficiency: Struggle with messy antifreeze flow and wasted fluid during winterizing. Our 3-Way by-Pass RV Winterizing Kit has a dual-valve design that controls each water channel independently, preventing backflow, cross-contamination, and unnecessary antifreeze use. Enjoy cleaner, more efficient winterizing with total control at your fingertips.

✅Durability: hassle with cheap plastic fittings cracking in cold weather. The 3-Way by-Pass RV Winterizing Kit is built from high-density brass; this kit resists freezing, corrosion, and wear. No more leaks, breaks, or replacements—just tough, dependable performance season after season.

✅Compatibility:  Hoses popping off and antifreeze leaking everywhere. The extended PVC hose stays flexible in low temps, and the included 4 clamps lock everything in place. Combined with a gasket-sealed inlet and Teflon tape, this setup ensures tight, drip-free connections every time.

📓FREQUENTLY ASKED QUESTIONS

Q: Will this kit fit my RV water pump?
A: Yes! This kit is designed for 1/2” NPT threaded connections, which are standard on most RV water pumps. Double-check your thread type to confirm compatibility.

Q: Can I use this kit for other winterizing applications besides RVs?
A: Absolutely. The brass valve and extended hose make it perfect for use in trailers, boats, and even some household systems—anywhere antifreeze needs to be pumped in securely.

Compatibility Reminders

  • Designed for systems using 1/2" NPT threads.

    Always use the included Teflon tape and hose clamps for secure, leak-free connections.

  • Ensure compatibility with standard RV pumps and water systems before installation.

⚙️ Specifications:

  • Color: Silver

  • Item Weight: ‎‎0.72 pounds

  • Material:‎ High Density Brass

  • Product dimensions: ‎ 1/2" NPT; hose length: 59 inches.

Package Inclusion: 

  • 1 x 1/2" NPT replacement RV 3-way bypass valve 

  • 1 x 59" PVC hose 

  • 4 x clamps 

  •  1x Teflon tape 

Customer Reviews

Based on 8 reviews
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Dick Sexton

Made winterizing our RV so much faster. The double shut-off design is super convenient, and the hose length is just right for easy access.

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Lilly Friedman

\Solid brass fittings and good quality hose. No leaks, no hassle—just a straightforward install and done in minutes.

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Xavier Lucas

The best part is how easy it made switching to antifreeze mode. No more struggling with awkward connections or messy setups.

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Ernest Osborne

Great little kit for the price. Everything you need is included, and the clamps and fittings feel sturdy and secure.

D
Davis Case

Installed this in my travel trailer and it worked perfectly. Makes seasonal maintenance a lot easier and stress-free.