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Compare the recirculation efficiency of the Navien NPE-2 internal buffer tank system against the external recirculation setup recommended by Rheem for their high-efficiency condensing units.

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

The searches the AI actually ran for this prompt.

SEED QUERY
Compare the recirculation efficiency of the Navien NPE-2 internal buffer tank system against the external recirculation setup recommended by Rheem for their high-efficiency condensing units.
2 real searches · 1 real-search pass
Navien NPE-2 internal buffer tank recirculation efficiency manual buffer tank recirculation modeGoogle ↗
OBSERVED
Rheem high efficiency condensing tankless water heater external recirculation setup manual dedicated return line crossover valve recirculationGoogle ↗
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-2 internal buffer tank recirculation efficiency manual buffer tank recirculation mode Google ↗
Rheem high efficiency condensing tankless water heater external recirculation setup manual dedicated return line crossover valve recirculation Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Navien NPE-2 internal buffer tank recirculation efficiency manual buffer tank recirculation mode
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Rheem high efficiency condensing tankless water heater external recirculation setup manual dedicated return line crossover valve recirculation
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1