Geothermal power probe e.g. for using geothermal power for heating purposes, made from plastic and has advance and return channel arranged coaxially with interior pipe arranged loosely centrically and lengthwise adjustable

摘要

The heat probe, made from plastic, has an advance and a return channel arranged coaxially. An interior pipe (2) is arranged loosely centrically and lengthwise adjustable by means of running spacers (5) positioned in an external pipe (4) over the entire length. The interior pipe (2), external pipe (4) and spacer (5) are made of plastic.