0.0
FAULT CODE
Intergas
Low System Pressure (Standard Range)
Low Severity
DIY Check Possible
On standard Intergas HRE boilers, 0.0 indicates the system water pressure is too low to operate safely.
Step-by-Step Fix Guide
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Step 1
Repressurise the system to 1.5 bar using the filling loop
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Step 2
Reset the boiler
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Step 3
If pressure drops again, contact a Gas Safe engineer to check for leaks
Gas Safe Reminder
Work on gas appliances must be carried out by a Gas Safe registered engineer. The steps above cover safe checks a homeowner can perform - any internal component replacement requires a qualified professional. If in doubt, always call an engineer.