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My navien tankless water heater is showing some weird error codes on the screen and I cannot find the manual

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
My navien tankless water heater is showing some weird error codes on the screen and I cannot find the manual
2 real searches · 1 real-search pass
Navien tankless water heater official manuals error codes NPE owner manualGoogle ↗
OBSERVEDInstruction
Navien tankless water heater official manuals error codes NPE installation operation manualGoogle ↗
OBSERVEDInstruction

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.

ChatGPT real searches (2)
Short factOther / navigationalComparisonConsequenceReasonDefinitionInstruction100%Yes / no

Classes come from the query-classifier (a local Laya model).

Searches and sources

ChatGPT2 real searches · gpt-6
Navien tankless water heater official manuals error codes NPE owner manual Google ↗
Navien tankless water heater official manuals error codes NPE installation operation manual Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Navien tankless water heater official manuals error codes NPE owner manual
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1
Navien tankless water heater official manuals error codes NPE installation operation manual
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1