
GM9S800403AN Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $700.00 | Condition is New, Goodman 40,000 BTU 80% Furnace GM9S800403AN, shipping cost = $ | 100.0% |
![]() | $1024.00 | Condition is New, Goodman 40,000 Btu 80% Afue Single Stage Gas Furnace, FREE SHIPPING | 100.0% |
![]() | $1024.00 | Condition is New, Goodman LP / Gas Furnace GM9S800403AN 40K BTU 80% Single Stage -14"- Upflow, FREE SHIPPING | 100.0% |
![]() | $1186.49 | Condition is New, Goodman GM9S800403AN 80% ECM, SINGLE STAGE, UPFLOW/Horizontal - LoNox - NEW ECM , FREE SHIPPING | 98.7% |
![]() | $3351.00 | Top Pick! Condition is New, Goodman 1.5 Ton 14 SEER2 80% AFUE 40K BTU Gas Furnace - R32 - Upflow, FREE SHIPPING | 100.0% |
![]() | $3351.00 | Condition is New, Goodman 1.5 Ton 14 SEER2 R32 AC 80% AFUE 40K BTU Gas Furnace - Upflow, FREE SHIPPING | 100.0% |
![]() | $3351.00 | Top Pick! Condition is New, GOODMAN 1.5 TON 14 SEER2 AC & 80% AFUE 40,000 BTU GAS FURNACE SYSTEM,R32- UPFLOW, FREE SHIPPING | 100.0% |
![]() | $3506.00 | Top Pick! Condition is New, Goodman 2 Ton 14 SEER2 80% AFUE 40,000 BTU Gas Furnace & R32 AC-Upflow, FREE SHIPPING | 100.0% |
![]() | $3506.00 | Condition is New, Goodman 2 Ton 14 SEER2 R32 AC 80% AFUE 40,000 BTU Gas Furnace -Upflow, FREE SHIPPING | 100.0% |
![]() | $3644.00 | Condition is New, Goodman 1.5 Ton 14.5 SEER2 R-32 40,000 Btu 80% Afue Gas System, FREE SHIPPING | 100.0% |
![]() | $3669.00 | Condition is New, Goodman 1.5 Ton 14.7 SEER2 R-32 40,000 Btu 80% Afue Gas System, FREE SHIPPING | 100.0% |
![]() | $3732.00 | Condition is New, Goodman Multi-Family 1.5 Ton 14.5 SEER2 R-32 40,000 Btu 80% Afue Gas System, FREE SHIPPING | 100.0% |
![]() | $3757.00 | Condition is New, Goodman Multi-Family 1.5 Ton 15.2 SEER2 R-32 40,000 Btu 80% Afue Gas System, FREE SHIPPING | 100.0% |
![]() | $4028.00 | Condition is New, Goodman 2.5 Ton 14.5 SEER2 R-32 40,000 Btu 80% Afue Single-Stage Gas System, FREE SHIPPING | 100.0% |
![]() | $4127.00 | Condition is New, Goodman Multi-Family 2.5 Ton 14.5 SEER2 R-32 40,000 Btu 80% Afue Gas System, FREE SHIPPING | 100.0% |
![]() | $4181.00 | Condition is New, Goodman 2 Ton 14.5 SEER2 R-32 40,000 Btu 80% Afue Dual Fuel System, FREE SHIPPING | 100.0% |
![]() | $4186.00 | Condition is New, Goodman Multi-Family 1.5 Ton 15 SEER2 R-32 40,000 Btu 80% Afue Dual Fuel System, FREE SHIPPING | 100.0% |
![]() | $4190.00 | Condition is New, Goodman Multi-Family 2 Ton 14.5 SEER2 R-32 40,000 Btu 80% Afue Dual Fuel System, FREE SHIPPING | 100.0% |
![]() | $4239.00 | Condition is New, Goodman Multi-Family 1.5 Ton 15 SEER2 R-32 40,000 Btu 80% Afue Dual Fuel System, FREE SHIPPING | 100.0% |
![]() | $4685.00 | Condition is New, Goodman 2 Ton 14.5 SEER2 R-32 40,000 Btu 80% Afue Dual Fuel System, FREE SHIPPING | 100.0% |
![]() | $5249.00 | Condition is New, 2.5 Ton Goodman HEAT PUMP Furnace Coil System 15.2 SEER2 80% 40K BTU GSZH503010, FREE SHIPPING | 99.8% |

The Goodman GM9S800403AN is a high-efficiency upflow/horizontal gas furnace designed to provide reliable and consistent heating for your home. This furnace boasts an AFUE rating of 80%, meaning it converts 80% of the fuel it consumes into heat for your home, making it an energy-efficient choice for homeowners.
This Goodman furnace features a cast-aluminum heat exchanger, which is both durable and effective at exchanging heat. It also comes with a multi-position, heavy-duty silicon nitride igniter, which provides reliable ignition and helps ensure consistent performance.
Additionally, this furnace includes a variable-speed ECM blower motor, which not only provides quieter operation but also helps maintain consistent temperature throughout your home. The furnace is also equipped with a single-stage gas valve and a sealed combustion system, which helps improve indoor air quality by preventing drafts and keeping exhaust gases from entering your living space.
The Goodman GM9S800403AN comes with a factory-installed condensate drain, which allows the furnace to operate in a high-efficiency condensing mode. It also features a cabinet design with a durable, baked-enamel finish, which not only looks great but also provides protection against rust and corrosion.
This furnace is designed for upflow/horizontal installation, making it a versatile choice for a variety of home configurations. It also includes a factory-installed induced draft fan motor, which helps ensure proper draft and venting for efficient and safe operation.
In summary, the Goodman GM9S800403AN is a high-efficiency upflow/horizontal gas furnace that is designed to provide consistent heating while also being energy-efficient. Its durable components and quiet operation make it a great choice for homeowners looking for a reliable and effective heating solution.
Pros and Cons of Buying Goodman GM9S800403AN 40k 80 AFUE Upflow/Horizontal Gas Furnace
The Goodman GM9S800403AN is a 40,000 BTU, 80 AFUE upflow/horizontal gas furnace known for its efficiency and reliability. Like any other heating system, it has its advantages and disadvantages. Here's a comprehensive analysis of both:
Pros:1. High AFUE Rating: With an 80 AFUE rating, this furnace is energy efficient, saving you money on your energy bills.
2. Two-Stage Heating: This feature allows the furnace to run at a lower capacity most of the time, providing more consistent temperatures and reducing energy consumption.
3. Duralast Aluminized Steel Heat Exchanger: This material is resistant to corrosion and ensures the longevity of the heat exchanger.
4. ECM Motors: These motors are more energy-efficient and quieter compared to standard motors.
5. Multi-Position Installation: This furnace can be installed in upflow, downflow, or horizontal configurations, making it versatile for various installation scenarios.
Cons:1. Single-Stage Igniter: Although the two-stage heating system is a pro, the igniter is not, as it may take longer to ignite compared to high-performance igniters on some competing models.
2. Basic Controls: The furnace comes with basic controls, which might not offer the advanced features some homeowners prefer, such as programmable thermostats or zoning capabilities.
3. No Built-in Diagnostics: Although the furnace is relatively easy to troubleshoot, some homeowners may find the lack of built-in diagnostics inconvenient.
4. Heavy: At approximately 210 pounds, this furnace is heavier than some other models, which could make installation more challenging.
Conclusion:The Goodman GM9S800403AN 40k 80 AFUE Upflow/Horizontal Gas Furnace is an energy-efficient and reliable heating option for homeowners. Its high AFUE rating, two-stage heating, and Duralast Aluminized Steel Heat Exchanger are significant advantages. However, the single-stage igniter, basic controls, and lack of built-in diagnostics are potential drawbacks. Considering the pros and cons, this furnace is a solid choice for homeowners who prioritize energy efficiency and reliability over advanced features and ease of diagnostics.
Recommendation:If you're looking for an energy-efficient and reliable gas furnace without advanced features, the Goodman GM9S800403AN is an excellent choice. Its high AFUE rating, two-stage heating, and durable construction make it a wise investment for your home. However, if you prefer a furnace with advanced features, built-in diagnostics, or a more user-friendly control system, you may want to consider other models from competing brands.
Details:
However, if something does go wrong on the furnace, control board has a set of sensors that allow it to diagnose basic issues, allowing for easy troubleshooting and notify owner maintenance or warranty work is recommended. There cannot be any writing or labels on the original manufacturer packaging for item. Configuration. The product must be free from damages, scratches and/or defects.
Requires metal flue venting. Airflow direction. Durable hot surface ignite the hot surface ignite on modern Goodman furnaces are more durable than previous designs, decreasing related issues and lowering maintenance costs. Making notes on the delivery receipt.
Most homeowners don't know they can do this and instead call a local hvac installer who sells them the service plus equipment at huge markup. Upflow/horizontal. The cabinet is also more air-tight than previous model's, allowing for a quiet, economical unit due to losing less heat and preventing sound from exiting. Don't see what you're looking for.
Like a light switch, this furnaces burner will either be on or off and nothing in between. Innovative design for electrical efficiency, safety, and lower sound output. Can be used in the upflow or horizontal right left orientation. A single stage furnace is the standard efficient since every time your turns on uses same amount of energy.
Backed by one of the nations largest online hvac dealers. Packages must be sent back by customer via a traceable source, such as FedEx or ups. Heavy gauge steel cabinet the heavy-gauge steel cabinet on new Goodman furnaces provide adequate protection to the internal mechanisms of unit. Delivery: equipment arrival.
Make sure that your count matches the printed on delivery receipt before signing for. All of this causes an overall increase in the electrical efficiency your furnace, which saves you money. Please remove any cardboard to ensure that there is not concealed damage. Do not just sign for the item without inspecting product.
Whichever is applicable. Burner stages. Your tech can source these parts as well.
Check all of the equipment to make sure it is not dented or heavily scratched. This gas furnace is highly energy efficient and you'll enjoy the savings as much reliable comfortable heating. Brand/manufacturer. Ease of installation the value modern Goodman furnaces doesn't end at efficiency.
Blower motor. If you are present at the time of delivery, please accept items, but note damage on delivery receipt. This increases the overall safety of unit, for furnace itself and occupants home where it is installed. The GM9S800403AN Goodman gas furnace features high-quality construction and efficient operation at a great value.
Accept your delivery, sign and mark the receipt clear. Please inquire with them on pricing and availability. Minor dents big savings free shipping. Can be converted to an LP furnace with a conversion kit sold separately.
Propane, natural gas. The furnace also comes with color-coded low- voltage terminals that allow for a shorter and easier installation time, which decreases costs. Ahri certificate number. Self-diagnostic control board the Goodman brand has improved technology from years of production experience, allowing for a long-lasting product that rarely any issues.
Single phase. 40,000 btu 80% efficient natural gas furnace. One-of-a-kind or unique items like our open box scratch dent inventory may not have a replacement available. Furnace efficiency / afue.
All merchandise must not have been installed. If you're looking to cut your energy bills and improve comfort without breaking the bank, search stops with Goodman GM9S800403AN. This allows for an easier installation in more locations, from your attic to basement. Quick facts this furnace is ideal to heat a smaller house depending on climate.
If the shrink wrap is torn or has been replaced during transit; mark receipt wrap broken. Our scratch dent units are brand new, never installed that covered by the original manufacturers warranty. 10 year parts limited warranty. Efficient, money-saving heating for homes.
These hot surface ignites are also more efficient than standing pilot and older his designs, saving you even money. Weight in lbs. Exhaust flue requirement.
specifications centrafurn:
- brand: Goodman
- mpn: Gm9s800403an
- system configuration: Upflow/horizontal
- blower motor speed: Multi Speed High Efficiency
- power source: Corded Electric, Natural Gas
- color: Gray
- material: Aluminized Steel, Copper, Steel
- item depth: 28
- california prop 65 warning: This Product And Many Products We List May Contain A Chemical Know To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm.
- power phase: 1 Phase
- type: Central Furnace
- btu heating rating: 40, 000 Btu
- heating system: Furnace
- manufacturer warranty: 10 Years
- voltage: 115 V
- item height: 33 3/8
- annual fuel utilization efficiency: Afue
- air flow volume: 1000-1999 Cfm
- country/region of manufacture: United States
- item width: 14
shipping centrafurn:
- transit: 13-18 days
- type: fixed
- class: freight
- service: flat rate freight
seller centrafurn:
- # reviews: 3326
- city: albany, oregon
- rating: 99.0%
payments centrafurn:
- wallet: paypal
- credit card: visa
- other
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
offer centrafurn:
- options: ship-to-home
- best offers: true
- started: july 4, 2025
- sold #: 22
- prices: $1024.00–$5249.00
- item condition: New
- availability: in stock
- in stock #: 5
returns centrafurn:
- policy: returns accepted
- method: money back
- time: 30 days
- paid by: buyer
Also Available:
- GMVC800805DX: FURNACE, Goodman
- GMEC960303AN: FURNACE, Goodman
- F-0130F00010-01: FURNACE SENSOR, Popbee
- GCVC961205DN: FURNACE, Goodman
- 50M56-281: FURNACE CONTROL BOARD, Goodman
- GMES960804CN: FURNACE, Goodman
- VM9S800603AX: FURNACE, Gmc
- VM9S800403AX: FURNACE, Gmc
- 0131M00743S: FURNACE BLOWER MOTOR, Fits Goodman Amana Janitrol
- GMVC960804CN: FURNACE, Goodman
- PCBBF109: FURNACE CONTROL BOARD, Amana

















