HIGHError Code
E235: Low Gas Pressure (Furnace/Boiler)Emergency Diagnosis & Repair
Gas supply pressure too low for proper equipment operation.
What This Error Code Means
Incoming gas pressure below minimum for safe combustion.
Common Causes
Low utility supply pressure
Undersized gas line
Valve partially closed
Meter regulator issue
Multiple appliances running
Affected Brands
LennoxCarrierTraneGoodmanNavienViessmannWeil-McLain
How ROMA Heating Fixes This Error Code
Measure incoming gas pressure
Check valves fully open
Verify manifold pressure
Contact gas utility
Adjust regulator if needed
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