What type of pipe is used in a Geothermal Loop Application?
The type of pipe that you would use has a CSA designation in Canada. The most common pipe used is Polyethylene 3408, High Density, Series 125, for residential and Series 160 for commercial applications. Although not as common, High Density, Polybutylene can also be used PB2110-SDR 11 or SDR 15, PB2110 SDR11 but again Polyethylene is used most commonly.