Every rule your project must meet, found for you.
Search Northern Ireland’s planning and building-control guidance, ask a question in plain English, or generate a project compliance checklist — every answer cited to the source.
Working to a specific project? Generate a compliance checklist →
Answers, with citations
Ask in plain English and get an answer that links to the exact source clause — never an unsourced guess.
Scoped to your council
Overlay a council's local development plan on the Northern Ireland-wide regulations and policy.
Project compliance checklist
Characterise a project and get the requirements that apply, grouped by work area. Try it →
The library
Search the source guidance
2 results · filtered
Temperature Safety Devices
2.9NI-wide·Technical Booklet P Sanitary Appliances Unvented Hot Water Storage and Scalding
An unvented hot water storage system should have the following safety devices to limit the temperature of the stored water – (a) a non self-resetting thermal cut-out on each heating source, complying
hot-water-safetyunvented-systemsscalding-preventionRelevant British Standards for Unvented Hot Water Storage and Sanitary Appliances
Appendix Publications referred toNI-wide·Technical Booklet P Sanitary Appliances Unvented Hot Water Storage and Scalding
BS EN 257: 2010 Mechanical thermostats for gas-burning appliances. BS EN 1111: 1999 Sanitary tapware. Thermostatic mixing valves (PN 10). General technical specification. BS EN 1287: 1999 Sanitary tap
dwellingnon-domesticsanitary-appliancesunvented-hot-water-storagescalding-prevention