Navien E036 — Cold Water Inlet Sensor Fault

What Causes Navien E036?

The inlet thermistor (temperature sensor on the cold water inlet) is reading out of specification. Can be caused by a wiring issue or sensor failure.

How to Fix Navien E036

Sensor replacement is typically required. We stock Navien NPE and NPN series sensors and can repair prompt throughout Los Angeles.

When to Call a Professional

Call Simple Water Heater & Filtration if:

• The error code returns after resetting
• You are not comfortable working with gas appliances
• The unit is making unusual sounds alongside the error
• This is the second time you have seen this code in the past year

We are factory-trained on Navien and provide repair service throughout Los Angeles, the San Fernando Valley, Westside LA, and Ventura County.