There could be several reasons why your Rinnai water heater isn’t igniting. The most common issues include a faulty igniter, a gas supply problem, or a blocked vent. It’s also possible that the unit’s thermocouple is defective or the gas valve is closed. If you’ve checked these potential causes and your water heater still isn’t igniting, it may be time to seek professional help.
At 5 Star Best Plumbing, our specialists are experienced in all aspects of water heater repair and can quickly diagnose and fix any issues you may be experiencing. Don’t let a malfunctioning water heater disrupt your day – contact us for prompt, reliable service.