Solar Expansion Tank Adapter 3/4 inch G x 3/4 inch NPT


Introducing our Brass Adapter: G Thread (3/4″) to 3/4″ NPT Thread. Connect effortlessly between different thread types with this essential accessory. Ideal for SunMaxx Solar pump stations, it ensures easy adaptation from G thread to the more common NPT thread. Just one piece needed per station for seamless compatibility.

SKU: XMaxx-HW-3/4IN-G-3/4IN-NPT Category:

How to order? 

  • Order online or contact sales team directly
  • 24-hour online order confirmation
  • SunMaxx Solar™: solar hot water equipment manufacturer
  • Availability and production lead times subject to production queue

Direct-from-Manufacturer Pricing

Experience the value and benefits of our manufacturer-direct pricing on all online listings. For wholesale and distribution inquiries, we encourage you to reach out to our office to receive a tailored offer that meets your needs.

Looking to connect with our office? Give us a call at 1-877-786-6299, and we'll be happy to assist you!


Introducing our Brass Adapter for G Thread (3/4″) to 3/4″ NPT Thread—a must-have accessory for seamless connection between different thread types. Designed specifically for the standard SunMaxx Solar pump station, this adapter allows for easy adaptation from the 3/4″ G thread to the more commonly used 3/4″ NPT thread.

With a female threading on both ends, this brass adapter ensures a secure and reliable connection. It is ideal for situations where multiple expansion tanks are being used, enabling effortless compatibility between the G thread on the pump station’s expansion tank connection and the NPT thread.

Determining the quantity you need is simple. Typically, just one (1) piece of this adapter is required per solar pump station. The adapter features a 3/4″ G thread on one side and a 3/4″ NPT thread on the other, making it an essential tool for hassle-free integration and ensuring a smooth flow of operations.

Invest in our Brass Adapter for G Thread to 3/4″ NPT Thread and experience convenient and reliable connections in your solar pump system.

Why SunMaxx Solar

Investing in a complete solar hot water kit from a single manufacturer is essential for ensuring the longevity and efficiency of your solar hot water system. A streamlined approach to sourcing components simplifies the process of installation, maintenance, and servicing.

By choosing a single manufacturer for your solar hot water kit, you can benefit from comprehensive documentation for service and maintenance. This approach helps prevent issues arising from improperly installed or maintained systems. Studies show that over 60% of solar hot water systems fail due to incorrect installation or lack of proper maintenance.

Purchasing a complete kit from one manufacturer guarantees compatibility between components and streamlined support from the provider. This ensures that you have access to knowledgeable experts who can address any concerns or questions related to your specific system. Furthermore, a single manufacturer can provide a unified warranty, eliminating the need to deal with multiple companies in case of any issues.

In summary, investing in a complete solar hot water kit from a single manufacturer is a wise decision for homeowners and businesses alike. It ensures smooth installation, proper maintenance, and reliable long-term performance, maximizing the return on your investment and providing a sustainable hot water solution.