72 🟡 Repair Required
Noritz Error Code 72: Flame Rod/Gas Valve Issue
⚠️ Your Noritz water heater is experiencing a flame rod or gas valve issue, which has caused it to shut down. It's safe to troubleshoot, but call a professional if you're unsure.
How to Fix Noritz Code 72
- Step 1: Check the pilot light. If it's out, follow your Noritz water heater's manual to relight it.
- Step 2: Inspect the flame rod for any signs of damage or buildup. Clean it gently with a wire brush if necessary.
- Step 3: If the problem persists, call a professional HVAC technician. They can diagnose and repair the issue safely.
What Does Noritz Error Code 72 Mean?
Noritz error code 72 indicates a problem with either the flame rod or gas valve in your water heater. The flame rod detects the presence of a flame, while the gas valve controls the flow of gas. When either of these components fails, your water heater will shut down to prevent a potential gas leak or fire hazard. This error is common in Noritz water heaters, especially in models with electronic ignition.
Common Causes of Noritz Code 72
- Faulty flame rod or gas valve
- Incorrect gas pressure
- Clogged or dirty flame rod
- Wiring issues or poor connections
Applicable Noritz Models
Need a Pro to Fix Noritz Code 72?
A licensed HVAC technician can diagnose and fix this issue quickly.
Find a Licensed Tech Near You →Replacement Parts for Noritz Tankless Water Heater Code 72
Flame Rod OEM: Noritz 8007200000
Gas Valve OEM: Noritz 8007100000