Our molded Bullet U-Bend fittings are manufactured entirely in the US and are suitable for use on projects paid for with 'Buy America Recovery Act' funds.
Need help with the installation of our Cenfuse Geothermal HDPE 4710 Vertical EarthLoop™? Download Instructions [PDF]
Founded in 1950, The Plastics Pipe Institute Inc. (PPI) is the major trade association representing all segments of the plastics piping industry.
ASTM International is a standards development organization for materials, systems, products, and services.
The AWWA is an organization dedicated to the improvement of water quality and supply.
For more than a decade, the Geothermal Heat Pump Consortium has been working to increase the awareness and use of geoexchange technology throughout the United States and the world.
IGSHPA is an organization established to advance geothermal heat pump technology on a local, national, and international level.
The IA is an organization that promotes and supports the irrigation industry through a shared vision of water conservation through efficient irrigation.
NGWA is an organization who’s purpose is to provide guidance to members, government representatives, and the public for sound scientific, economic, and beneficial development, protection, and management of the world’s ground water resources.
NSF International is a public health and safety regulator.
We are absolutely commited to making the very best polyethylene pipe products on the market and providing customer service that is second to none. Centennial Plastics is an ISO 9001 certified company.