HIGHError Code
E110: Flow Sensor Issue (Boiler)
Boiler flow sensor not detecting sufficient water flow for safe operation.
What This Error Code Means
Adequate water circulation cannot be confirmed, preventing burner operation.
Common Causes
Flow sensor failed
Circulator pump not running
System valve closed
Low water pressure
Air lock in system
Affected Brands
NavienViessmannWeil-McLainBuderusLochinvar
How ROMA Heating Fixes This Error Code
Test flow sensor operation
Check circulator pump
Ensure all valves open
Check and repressurize system
Bleed air from system
Why Choose Our Emergency Service
24/7 Availability
Emergency service available around the clock
Licensed Technicians
TSBC LGA0202903, bonded, Red Seal certified
Same-Visit Repair
We fix error code problems on the first visit
Related Services
Seeing Error Code E110? Don't Wait.
Our emergency technicians can diagnose and fix it right now
Emergency: 778-909-5731