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My Rheem RTGH series tankless water heater keeps throwing an error code 11 during ignition on cold mornings, so what should I check first on the gas control assembly?

ChatGPTgpt-61 query11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
My Rheem RTGH series tankless water heater keeps throwing an error code 11 during ignition on cold mornings, so what should I check first on the gas control assembly?
1 real search · 1 real-search pass
Rheem RTGH error code 11 ignition failure gas control valve troubleshooting 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 (1)
Short factOther / navigationalComparisonConsequenceReasonDefinitionInstruction100%Yes / no

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

Searches and sources

ChatGPT1 real searches · gpt-6
Rheem RTGH error code 11 ignition failure gas control valve troubleshooting manual Google ↗

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Rheem RTGH error code 11 ignition failure gas control valve troubleshooting manual
OBSERVED
Google ↗
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—Instruction——1x
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