Hydronic make-up water and potable-water backflow protection

A heating loop connected to potable water is a potential cross-connection: identify make-up water, pressure, chemicals and backflow protection.

Decision triage

VERT / GREEN · JAUNE / YELLOW · ROUGE / RED

What the professional checks

The professional checks the cross-connection, fluid type, pressures, backflow device, pressure reducer, expansion tank and local requirements.

Official sources

Sources checked: 2026-08-24

Related path

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