Water Regulations Courses in the UK

The Water Regulations (WRAS) qualification is a prerequisite for many heating and heat pump installations. This guide explains why it matters.

Last reviewed: August 2026

What it covers

UK water supply regulations, backflow prevention, materials and installation practice for potable water systems.

Why installers need it

MCS install-only heat pump registration requires WRAS. It pairs with unvented hot water training for full compliance.

FAQs

Do heat pump installers need WRAS?
Yes, for MCS install-only registration you need the Water Regulations qualification.