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Trane Gas furnace S8X1 80 Single-Stage Gas Furnace

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Trane Furnaces Gas furnace Repair, maintenance, and replacement planning
Trane S8X1 80 Single-Stage Gas Furnace product image

Technical Specifications

Product Specs

  • Efficiency family: 80 single-stage gas furnace
  • Heating and airflow: single-stage gas heat with nine-tap blower motor
  • Listed model family: S8X1A040M3PSC, S8X1B040M2PSC, S8X1B060M4PSC, S8X1B080M4PSC, S8X1C080M5PSC, S8X1C100M5PSC, and S8X1D120M5PSC
  • Published cabinet height: 34 in. across listed models
  • Core components: self-diagnostic microelectronic controller, silicon nitride hot surface igniter, multi-port in-shot burners, tubular steel heat exchanger, galvanized steel cabinet, and insulated cabinet
  • Former product name: S8X1 Gas Furnace
  • Brand: Trane
  • Model or series: S8X1 80 Single-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 S8X1 model number, serial number, gas type, venting, filter size, and thermostat before scheduling.
  • Share no-heat, ignition, lockout, flame, blower, short-cycling, venting, and error-code details.
  • For replacement planning, identify whether the request is like-for-like furnace replacement, dual-fuel planning, or conversion to a heat pump.

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 S8X1 80 Single-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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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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Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

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