3/4″ to 3/4″ Stainless Steel Piping Coupling

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Ensure your solar installations are robust and hassle-free with the SunMaxx 3/4″ Solar Lineset Connector. It’s designed to facilitate easy connections while providing a durable and reliable solution for your solar linesets. Optimize your solar installation process with this handy connector that promises compatibility, reliability, and convenience.

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


Product Description: The SunMaxx 3/4″ Solar Lineset Connector, made from sturdy brass material, is exclusively crafted for SunMaxx Solar products. This connector ensures a seamless and reliable connection between two sections of your 3/4″ solar linesets.


  • Durable brass material ensuring a long product life
  • Designed for connecting two sections of 3/4″ SunMaxx solar linesets
  • Easy to connect and disconnect, offering a reusable solution
  • Channel locks or pipe wrenches are required for a proper, secure fit
  • IAPMO R&T Product Listing 

Product Highlights:

The SunMaxx 3/4″ Solar Lineset Connector is UL listed and engineered in Germany, made in Poland – a testament to its premium quality. Its easy-connect feature and reusable design make it a cost-effective solution for your solar installation needs.

The SunMaxx 3/4″ Solar Lineset Connector offers a quick and easy way to link up your linesets. It not only simplifies the installation process but also reduces the time needed, contributing to lower installation costs. This connector is particularly useful if you’re considering purchasing any stainless steel lineset from SunMaxx.

Advantages of FlowMaxx™ Stainless Steel Piping Coupling

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 multiple sections of solar insulated stainless steel piping together.

Plan piping path of where you want to run your pre-insulated piping


Install line set clamps (for supporting piping)

Recommend every 24 – 36″ (vertical 36″, horizontal 24″)

Mount piping in line set piping support


Install couplings (if required)

If required, install line set couplings when joining two sections of line set together.

Install lineset connectors

Install connects to transition from the stainless steel piping to your existing building piping or equipment (tank, pumps, etc).

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