Real ChatGPT answer · index seedyExQxxm9wE0completeHome services and improvement · plumbingcommercial

Are there any recalls or known issues associated with the Navien tankless error codes we are seeing on our commercial water heater system?

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

The searches the AI actually ran for this prompt.

SEED QUERY
Are there any recalls or known issues associated with the Navien tankless error codes we are seeing on our commercial water heater system?
2 real searches · 1 real-search pass
Navien commercial tankless water heater recalls safety notices technical service bulletins error codes known issues 2026Google ↗
OBSERVEDConsequence
Navien NPE commercial tankless common error codes service bulletin heat exchanger flow sensor ignition fan issuesGoogle ↗
OBSERVEDReason

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 / navigationalComparisonConsequence50%Reason50%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 1 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
Navien commercial tankless water heater recalls safety notices technical service bulletins error codes known issues 2026 Google ↗
Navien NPE commercial tankless common error codes service bulletin heat exchanger flow sensor ignition fan issues Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Navien commercial tankless water heater recalls safety notices technical service bulletins error codes known issues 2026
OBSERVED
Google ↗
AI Mode ↗
—Consequence——1x
of 1
Navien NPE commercial tankless common error codes service bulletin heat exchanger flow sensor ignition fan issues
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1