High
F37 on ECA Confeo Premix HM

Your boiler has stopped working because the water pressure is too low for the system to run safely.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

Low Water Pressure Fault (blocking) — water pressure sensor detects low water pressure (0.4 bar); check water pressure; fill system until pressure reaches 1.5–2 bar (error clears above 0.8 bar); check valves and installation for leaks; if persists notify ECA authorised service

From this model's manual
Verified against the Eca/Eca Confeo Premix Hm installation & service manual, page 42.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

F07View →F40View →

All 38 fault codes on the Confeo Premix HM

Seeing a different code? Every code this model can display, in one place.

E01E02E03E15E16E17E18E33E35E38E44E64E65E80E82E83E98E99F05F07F10F13F34F36F39F40F41F42F43F47F49F50F51F52F53F81F201

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