Trane
Furnace · S-series · two-stage · VS · 80% · Cat I
Trane S8V2 / S8V2-C two-stage 80% VS. Open multi-poise cabinet, metal vent. Same communicating-vs-24V S-series IFC idea as S9V2 — no collector. E-decimals that look like S9V2 are chimney draft.
Walk this in DiagnoseSee the door card in this cabinet.