![Ciphe Logo - short](/globalassets/media/images/header-logo-short.svg?&q=(EPISERVER_SEARCH_TYPE:("Ciphe.Web.Client.Domain.Models.Pages.Containers.ApprovedTrainingCentre,Ciphe.Web.Client")) AND (EPISERVER_SEARCH_VIRTUALPATH:(43f936c9\-9b23\-4ea3\-97b2\-61c538ad07c9|6929f53c\-f4e8\-453c\-b656\-e561f5e6f2e4*))&namedindexes=&offset=0&limit=1000&format=xml&accesskey=local){kind=logo}
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 applications.
Price includes UK P&P
