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What are the exact wiring steps to connect a Google Nest Learning Thermostat to an older oil furnace system with a separate relay?

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

The searches the AI actually ran for this prompt.

SEED QUERY
What are the exact wiring steps to connect a Google Nest Learning Thermostat to an older oil furnace system with a separate relay?
2 real searches · 1 real-search pass
Google Nest Learning Thermostat installation compatibility oil furnace external relay 24V C wire official supportGoogle ↗
OBSERVED
oil burner thermostat wiring separate relay R W C low voltage relay manufacturer instructionsGoogle ↗
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
Google Nest Learning Thermostat installation compatibility oil furnace external relay 24V C wire official support Google ↗
oil burner thermostat wiring separate relay R W C low voltage relay manufacturer instructions Google ↗
  1. Installer’s Guide · elibrary.tranetechnologies.com
  2. Nest Learning Thermostat · support-assets.nest.com
  3. Nest compatibility checker · g.co
  4. Nest thermostat compatibility · support.google.com
  5. Learn about the common or C wire · support.google.com

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Google Nest Learning Thermostat installation compatibility oil furnace external relay 24V C wire official support
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
oil burner thermostat wiring separate relay R W C low voltage relay manufacturer instructions
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1