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Trane Gas furnace S9X2 96 Two-Stage Gas Furnace

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Trane Furnaces Gas furnace Repair, maintenance, and replacement planning
Trane S9X2 96 Two-Stage Gas Furnace product image

Technical Specifications

Product Specs

  • Efficiency family: 96 two-stage gas furnace
  • Heating and airflow: two-stage gas heat with ECM constant-torque blower motor
  • Listed model family: S9X2B040D3PSB, S9X2B040U3PSB, S9X2B060D3PSB, S9X2B060U4PSB, S9X2B080D4PSB, S9X2B080U4PSB, S9X2C080U5PSB, S9X2C100D5PSB, S9X2C100U5PSB, S9X2D120D5PSB, and S9X2D120U5PSB
  • Published cabinet height: 34 in. across listed models
  • Core components: compact cabinet platform, stainless steel primary and secondary heat exchangers, insulated cabinet, 24V integrated furnace control, and three-way poise plus dedicated downflow options
  • Former product name: S9X2 Gas Furnace
  • Brand: Trane
  • Model or series: S9X2 96 Two-Stage Gas Furnace
  • Equipment type: Gas furnace
  • Product group: Furnaces
  • System role: Forced-air heating appliance for a ducted HVAC system
  • Application: Residential, light-commercial, or managed-property comfort applications
  • Compatibility check: Verify fuel type, venting, electrical requirements, capacity, controls, and installation clearances.
  • Verified source: trane.com

Useful troubleshooting details

  • Confirm the exact S9X2 model number, serial number, gas type, venting, condensate setup, filter size, and thermostat before scheduling.
  • Share no-heat, ignition, lockout, flame, pressure switch, condensate, blower, short-cycling, and error-code details.
  • For matched-system work, identify whether the furnace is paired with single-stage, two-stage, AC, heat pump, or dual-fuel equipment.

Troubleshooting

Error Codes

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E01 Integrated furnace control

Internal control failure

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
E2.1 Ignition and flame sensing

Retry exceeded; flame never sensed

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
E2.2 Ignition and flame sensing

Recycles exceeded; established flame was lost

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
E2.3 Gas valve control

First-stage gas valve not energized when expected

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
E3.1 Pressure switch circuit

Shorted first-stage pressure switch

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
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Service planning

How GreenFlow handles S9X2 96 Two-Stage Gas Furnace requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Jenny W.

Great service! On time, knowledgeable & professional

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

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