Real ChatGPT answer · index seedvLye5tdXyO4completeHome services and improvement · plumbinginformational

Can you decode the E003 error code on a Navien NPE-240A2 tankless water heater and tell me if the internal flow sensor needs replacement or just descaling?

ChatGPTgpt-62 queries11/1/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Can you decode the E003 error code on a Navien NPE-240A2 tankless water heater and tell me if the internal flow sensor needs replacement or just descaling?
2 real searches · 1 real-search pass
Navien NPE-240A2 E003 error code manual flow sensor descalingGoogle ↗
OBSERVED
site:navien.com NPE-240A2 installation operation manual E003 error codeGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
Navien NPE-240A2 E003 error code manual flow sensor descaling Google ↗
site:navien.com NPE-240A2 installation operation manual E003 error code Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Navien NPE-240A2 E003 error code manual flow sensor descaling
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
site:navien.com NPE-240A2 installation operation manual E003 error code
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1