Brand new Guide for 2026 - Part L compliant
A practical resource for plumbing, heating and HVAC engineers.
An Introduction to Low-Temperature Hydronic Heating Systems is a CIPHE Plumbing Engineering Services Design Guide developed in response to changes to Building Regulations Part L.
It explains the principles of low-temperature system design and provides practical guidance for designing efficient hydronic heating systems operating at 55°C and below, including 45°C for heat pump installations in new build properties.
Price includes UK P&P
