A design was created which entailed PFA covered support bars with PFA Spacers located along it. The PFA heat exchanger coil tubes passed through the gaps created. Although PFA had to be the material of choice for these spacers, it was not important that it had to be first grade material so Holscot used reprocessed PFA from their own production and sourced from the major users of PFA material.

Although reprocessed granules were used, the accuracy of the parts still needed to be very tight on the Outside Diameter. A few parts of a mm out of line and the whole assembly could not fit with the housing. Overall, Holscot produced millions of these spacers.