Solar hot water piping adapters for 3/4 inch flexible pipe & NPT

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Optimize your solar installation with the SunMaxx 3/4″ Solar Lineset to NPT Pipe Connector. This sturdy and reliable connector is designed to streamline your installation process, making it more efficient. It’s a must-have tool if you’re aiming for hassle-free solar installations.

SKU: FlowMaxx-A-QC-3/4INPF-3/4INMNPT-B Category:


Product Description: The SunMaxx 3/4″ Solar Lineset to NPT Pipe Connector, made from rugged brass material, is your go-to solution for connecting 3/4″ SunMaxx solar linesets with 3/4″ NPT pipes seamlessly.


  • Constructed from durable brass material for lasting use
  • Designed to connect 3/4″ SunMaxx solar linesets with 3/4″ NPT pipes
  • Easy to connect and disconnect, offering a reusable design
  • Channel locks or pipe wrenches are required for secure tightening
  • IAPMO R&T Product Listing 

Product Highlights:

This connector is UL Listed and crafted in Poland following German design principles, ensuring its premium quality. Its user-friendly connect and disconnect feature, along with its reusable nature, make it a practical, cost-effective tool for your solar installations.

Advantages of FlowMaxx™ Quick Connect fittings

SunMaxx FlowMaxx™ Series saves time and money when installing hydronic or solar thermal systems.
  • NSF61 Certified and Listed for use with Potable Water
  • Compatible only with SunMaxx FlowMaxx™ stainless steel piping
  • Re-usable connections
  • Eliminates the need for having a union connection on piping connections

How does it work?

SunMaxx quick connect fittings are required to connect our solar insulated stainless steel piping to existing NPT connections.

What parts & accessories do I need?

Universal fittings (for FlowMaxx series piping). Easy to stock in your tech-van, less parts to inventory.
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Videos how to install solar piping

Introducing our SunMaxx Solar Brass Connection Set, an exclusive solution designed to enhance the efficiency and convenience of your solar hot water system. With a focus on utilizing stainless steel flexible piping, this connection set offers a multitude of advantages that save time, money, and help reduce leaks.

One of the key benefits of utilizing stainless steel flexible pipe is its superior flexibility. Traditional rigid pipes can be challenging to work with, requiring precise measurements and complex installations. However, the flexibility of stainless steel piping allows for easy maneuverability, making it ideal for various installation scenarios. This flexibility not only saves time during the installation process but also enables adjustments and modifications without the need for costly pipe rework.

Furthermore, the SunMaxx Solar Brass Connection Set is designed to make connections hassle-free. The set features a unique “union” style design, allowing for effortless disassembly and reassembly without the need to cut the piping. This feature offers significant advantages when it comes to maintenance or system upgrades. In the event of a component replacement or system expansion, the connections can be easily disconnected and reassembled, eliminating the need for costly and time-consuming pipe cutting and soldering. This not only saves on labor costs but also minimizes system downtime, allowing for quick and efficient repairs or upgrades.

The integrated sealing washer in the SunMaxx Solar Brass Connection Set provides a reliable and leak-free connection solution. Unlike traditional methods that require thread sealants or Teflon tape, the integrated sealing washer ensures a secure seal, even when working with different fluid types such as glycol. This eliminates the risk of leaks and subsequent damage to the system, safeguarding your investment and minimizing the need for costly repairs or replacements.

Another notable advantage of stainless steel flexible pipe is its durability. Stainless steel is renowned for its resistance to corrosion, which is a crucial factor in solar hot water systems that involve exposure to various weather conditions and water chemistry. Unlike traditional pipes that are susceptible to rust and degradation over time, stainless steel pipes offer long-lasting performance and reliability. This durability translates into reduced maintenance requirements and longer system lifespans, saving you money on repairs and replacements in the long run.

The SunMaxx Solar Brass Connection Set is specifically designed for use with 3/4″ stainless steel pipe, ensuring compatibility and ease of installation. The NPT end of the connection features a 3/4″ male connection, providing a seamless fit with standard NPT connections commonly found in plumbing systems. This compatibility eliminates the need for additional adapters or modifications, streamlining the installation process and further reducing costs.

By utilizing stainless steel flexible pipe in conjunction with the SunMaxx Solar Brass Connection Set, you not only benefit from its time-saving and cost-effective features but also contribute to a more sustainable and environmentally friendly solution. The durable nature of stainless steel reduces the need for frequent replacements, resulting in less material waste. Additionally, the elimination of leaks and subsequent water loss helps conserve valuable resources, making your solar hot water system more efficient and eco-friendly.

In conclusion, the SunMaxx Solar Brass Connection Set combined with stainless steel flexible piping offers numerous advantages for your solar hot water system. From time and labor savings during installation and maintenance to leak-free connections and long-lasting durability, this solution ensures optimal performance and cost-efficiency. Embrace the benefits of stainless steel flexible piping and experience a reliable, efficient, and environmentally friendly solar hot water system with our SunMaxx Solar Brass Connection Set.