Real ChatGPT answer · index seedhPeygWVEtkccompleteHome services and improvement · DIY projectshowto
Can you explain how to flush a tankless water heater heat exchanger that has scale buildup from hard municipal water using food-grade vinegar?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Can you explain how to flush a tankless water heater heat exchanger that has scale buildup from hard municipal water using food-grade vinegar?
1 real search · 1 real-search pass
tankless water heater manufacturer manual descaling vinegar flush service valves pump duration 5% white vinegar Rinnai NavienGoogle ↗
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)
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
tankless water heater manufacturer manual descaling vinegar flush service valves pump duration 5% white vinegar Rinnai Navien Google ↗
- 5.3 Flushing the Heat Exchanger · media.rinnai.us
- How do I flush clean my Rinnai tankless water heater? (R) · rinnai.us