Rehau produce underground pre insulated pipe and fittings for district heating projects, where it is used to connect a single heat source to multiple buildings. They produce two types of underground pre insulated pipe called Rauvitherm and Rauthermex. Rauvitherm is a pre-insulated PE-Xa pipe with closed cell cross linked PE foam. Rauthermex is also a pre-insulated PE-Xa pipe but uses polyurethane (PU) foam.

LoCO2 Heat are a UK distributor for Rehau products, but have chosen to specialise in the supply of Rauthermex due to the much better thermal insulation properties of the PU foam, which has a lambda value of 0.0216W/mK. Not only can LoCO2 Heat provide Rauthermex and Everloc fittings at unbeatable prices, but we can provide you with the installation tools should it be required and assist with the design of your district heating scheme.

There are many advantages to Rauthermex such as: