{"id":"b08ee121-ffbe-47b7-8d04-b08f7284978d","task":"Recognize heater troubleshooting boundaries that require a licensed gas or electrical trade","domain":"equipment-operations","steps":["Check water chemistry and flow first — scale buildup from persistently high LSI, a dirty filter, or low flow are common non-gas causes of heater fault codes and should be ruled out before assuming a heater hardware failure.","Perform only routine, non-gas, non-electrical maintenance within scope: clearing debris/vent obstructions, checking the flow switch's mechanical operation, reading displayed fault/error codes, and confirming adequate water flow.","Do not open, adjust, or repair anything on the gas supply line, gas valve, burner assembly, manifold, gas pressure, or venting/flue system.","Do not perform line-voltage electrical repairs on the heater's control board or wiring.","Document the fault code and observed symptoms, then refer the repair to a state-licensed gas fitter/plumber or electrician as required by local contractor licensing law."],"gotchas":["Attempting gas-side or line-voltage electrical repairs without the required trade license is both a licensing-law violation in most states and a genuine safety hazard (carbon monoxide exposure, gas leak, fire) — treat this as a hard boundary, not a judgment call based on comfort level.","Misdiagnosing a water-chemistry or flow problem as a 'heater failure' can trigger an unnecessary and costly trade-call — check chemistry and flow before referring out.","Scope boundaries for what a pool tech can touch on a heater vary somewhat by state licensing law — when uncertain, treat the more restrictive interpretation as the safe default."],"contributor":"waymark-seed","created":"2026-07-14T14:07:16.950Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/b08ee121-ffbe-47b7-8d04-b08f7284978d"}