• Description
  • Why Buy From Us

Overview

 Connect your indoor and outdoor units securely with a copper piping kit lineset for mini split installation. Copper tube kits offer long-term durability that allows you to install them and forget about them as you enjoy the benefits of your new heating and cooling system.

Our kits come equipped with all the essentials for mini split piping, from nonadhesive wrapping tape to copper pre-flared refrigerant pipes that reduce the risks of rusting and future maintenance requirements. Shop Pioneer’s copper piping kit lineset for mini split installations and pair your heat pump with quality components that maximizes its performance.

Detailed Diameter Reference Guide Available Here

Diameter Selection Guide (FOR WYS-20 and WYS-22 SERIES

9,000 BTU Models (except for WYS009AMFI22RL) 1/4"-3/8"
12,000-18,000 BTU Models (as well as WYS009AMFI22RL) 1/4"-1/2"
24,000 BTU and Above Models 3/8"-5/8"

Diameter Selection Guide (FOR DIAMANTE/WYT-19 SERIES

9,000 BTU - 18,000 BTU 1/4"-3/8"
24,000 BTU 1/4"-1/2"
36,000 BTU  1/4"-5/8"

Diameter Selection Guide (FOR DIAMANTE ULTRA/WYT-22 SERIES

9,000 BTU - 12,000 BTU 1/4"-3/8"
18,000 BTU 1/4"-1/2"
24,000 BTU  1/4"-5/8"

Diameter Selection Guide (FOR HYPERFORMANCE WYF-25 SERIES

9,000 BTU - 12,000 BTU 1/4"-3/8"
18,000 BTU 1/4"-1/2"
24,000 BTU 3/8"-5/8"

Wrench/Tool Sizes Needed

The corresponding Wrench/Tool sizes needed to turn the flare nuts of the line-sets are as follows:

Line Diameter
Wrench Size
1/4"
5/8"
3/8"
13/16"
1/2"
15/16"
5/8"
1-1/16"
3/4"
1-5/16"

Pioneer’s copper tubing kits include:

  • Copper pipes
  • 3 layer insulation
  • Brass flare nuts
  • Includes the following:
    • Insulated pre-flared copper refrigerant pipes (length and diameter as chosen)
    • 4 lead communication wire between indoor and outdoor unit (same length as chosen)
    • 10 ft. condensate drain hose
    • Wall passage sleeve with cap and putty
    • Non-adhesive wrapping tape (2" wide, 50' length)

Feature Set

  • Highest Quality Full Copper Piping Kit Set. 
  • Compliance with ASTM-B280 Standard (USA-Canada).
  • Dehydrated Soft Drawn Copper Tubes.
  • Three Layer Water Proof P.E. Insulation.
  • Brass Flare Nuts, on ready formed flare ends.
  • Matching Length 16 Gauge 4 Lead Signal Cable set.
  • Plastic dust caps, to keep clean during installation.
  • Wall Sleeve/Liner with Cap.
  • Wall Filler Putty.
  • Non Adhesive Wrapping Tape.

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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