REHAU Pre-Insulated Pipe

At Underfloor Store we supply REHAU pre-insulated pipe for a wide range of projects, from domestic air source heat pumps through to district heating and commercial networks. Whether you're connecting an air source heat pump to a property, supplying heat to an outbuilding, or installing a district heating network, REHAU offers a proven solution designed for long term performance and energy efficiency.

Manufactured using durable PE-Xa carrier pipes and advanced insulation technologies, REHAU pre insulated pipe helps minimise heat loss while providing the flexibility and reliability required for modern heating systems. Available in both UNO (single pipe) and DUO (twin pipe) configurations, the range includes solutions for everything from domestic heat pump installations to large commercial heat networks.

Why Choose REHAU Pre-Insulated Pipe?

• Designed for renewable heating and heat network applications
• High performance insulation to reduce heat losses
• Flexible pipe systems for easier installation
• Available in UNO single and DUO twin pipe configurations
• Suitable for heat pumps, district heating and renewable energy systems
• Wide range of fittings and accessories
• Trusted REHAU engineering and quality
• 
  

Which REHAU Pipe Range Is Right For Your Project?

REHAU offers three specialist pre insulated pipe systems, each designed for different applications. Browse the ranges below to find the most suitable solution for your project.

RAUVITHERM

RAUVITHERM is a flexible, lightweight pre insulated pipe system that has become a popular choice for air source heat pump installations and smaller heat networks. Manufactured in the UK, it is particularly well suited to connecting heat pumps located away from the property, as well as supplying heat to garages, annexes and outbuildings.

Ideal for:

• Air source heat pumps
• Ground source heat pumps
• Domestic renewable heating systems
• Annexes and outbuildings
• Small district heating schemes
• Biomass and biogas installations

RAUVIPEX

RAUVIPEX is REHAU's latest generation pre-insulated pipe system, developed specifically for modern low-carbon heat networks. With enhanced flexibility, a longitudinal watertightness barrier and robust outer casing it offers a combination of durability, ease of installation and long term reliability. 

Ideal for:

• Heat network projects
• District heating systems
• Commercial developments
• Sustainable energy infrastructure
• Renewable heating installations

RAUTHERMEX

Designed for larger district heating and commercial heat network applications, RAUTHERMEX combines durable PE-Xa carrier pipes with high-performance insulation to help minimise heat loss across longer pipe runs. It is an ideal choice for energy centres, multi building developments and renewable heating schemes.

Ideal for:

• District heating networks
• Commercial developments
• Multi-building heating schemes
• Renewable energy projects
• Energy centres and plant rooms

REHAU Accessories & Fittings

We also stock a range of compatible REHAU end caps and screw connection fittings, helping you complete your installation with components designed specifically for use with REHAU pre insulated pipe systems.

Typical Applications

• Air source heat pump connections
• Ground source heat pump systems
• District heating networks
• Biomass heating systems
• Commercial heating projects
• Residential developments
• Schools, care homes and public buildings
• Heat distribution to garages, workshops and outbuildings

Not sure which REHAU pipe system is right for your project? Our team can help with product selection, sizing and compatible fittings. Send us and email and we'll be happy to point you in the right direction.