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E007HIGH

Water Pressure Sensor Error (Navien)

Navien boiler water pressure sensor is reading outside the normal operating range.

What This Error Code Means

The pressure sensor signal is invalid, preventing the boiler from operating safely.

Common Causes

  • Pressure sensor failed
  • Wiring damaged or disconnected
  • System pressure actually too high or low
  • Water hammer damaging sensor
  • Control board pressure input fault

Affected Brands

Navien

How ROMA Heating Fixes This

  • Check actual system pressure on gauge
  • Test pressure sensor output
  • Inspect wiring for damage
  • Replace pressure sensor if failed
  • Verify proper system pressure

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Licensed Technicians

TSBC Gas License LGA0202903. Fully insured and WCB covered.

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