Low
P1.6 on Gledhill GB35C

Your boiler is notifying you that the water pressure in the system is currently at 1.6 bar, which is within the normal operating range.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

System pressure (example value shown on display digits 1 – 4)

From this model's manual
Verified against the Gledhill Gb35c installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that the pressure remains between 1.0 and 2.0 bar when the system is cold.No action is required if the boiler is functioning normally.If the pressure drops below 1.0 bar, use the filling loop to top it up.

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Related fault codes

P1.0View →P2.0View →F1.3View →

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