119 High

ECA 119 Fault Code

The ECA 119 fault code means: your boiler has stopped working because the water pressure is too low for the system to run safely.. It appears on 1 ECA model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Water pressure switch disengagement
Typical repair cost £0-160 (including labour)

DIY fix possible

Locate the filling loop (the silver flexible hose) underneath your boiler.Slowly open the valves until you hear water moving and see the pressure gauge rise.Close the valves tightly once the needle reaches between 1.0 and 1.5 bar.

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ECA models that show the 119 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

ECA 119 fault code information on this page is sourced and cross-checked against the official ECA service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026