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MRCOOL VersaPro® R-454B 3.5 Ton 90K BTU Packaged A/C & Gas Unit | MPG42S090MO13C
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Summary
The MRCOOL® VersaPro® Series 42K 90,000 BTU Gas Package Unit is an all-in-one heating and cooling solution engineered for consistent, year-round comfort. By combining a 13.4 SEER2 high-efficiency air conditioner with an 81% AFUE gas furnace, it delivers powerful cooling during summer heatwaves and dependable warmth in the coldest winter months. Its hybrid design provides an effective upgrade that encourages comfort and helps reduce monthly energy costs. The system uses R-454B refrigerant, a next-generation formula with a dramatically lower global warming potential than older refrigerants, reducing environmental impact while maintaining excellent heating and cooling capabilities.
Built for durability, its power-painted galvanized steel cabinet defends against rust, weather damage, and wear, ensuring long-term reliability. The horizontal discharge configuration keeps operation quiet, while aluminum tubing with microchannel coils maximizes heat transfer efficiency and offers superior corrosion resistance compared to copper, reducing maintenance needs over time. Inside, high-efficiency compressors and an ECM blower motor work together to deliver smooth, quiet, and consistent performance.
Integrated safety controls guard against extreme pressure or coil temperature fluctuations, helping to maintain optimal operation even under demanding conditions. The VersaPro® 42K’s compact footprint and support for both horizontal and downflow installations make it easy to fit into tight spaces. An LP conversion kit is included for quick propane compatibility, and the convenient access panel simplifies servicing. Backed by a 10-year limited parts warranty and a lifetime heat exchanger warranty when registered, the VersaPro® 42K is built to deliver lasting comfort, efficiency, and peace of mind.
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Important
Registration required for 10-year parts warranty and lifetime heat exchanger warranty. LP conversion kit included for propane applications. UL Listed, CSA Listed, ETL Listed, and AHRI Certified.
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Key Features
- Complete 3.5-ton packaged A/C and gas heating system
- 13.4 SEER2 / 11 EER2 cooling efficiency
- 81% AFUE gas furnace performance
- R-454B low-GWP refrigerant
- 90,000 BTU input / 72,000 BTU output heating capacity
- 40,000 BTU cooling capacity
- Power-painted galvanized steel cabinet for long-term durability
- Horizontal or downflow installation flexibility
- ECM blower motor with 4 speeds
- Rotary compressor with PSC condenser fan motor
- Direct spark ignition system
- Included LP kit for propane conversion
- Microchannel coil design for efficient heat transfer
- Built-in safety controls for pressure and coil temperature protection
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Complete Technical Specifications
| Brand | MRCOOL |
| Series | VersaPro® R-454B Package Gas |
| Model | MPG42S090MO13C |
| GTIN | 00840255588744 |
| UPC | 840255588744 |
| Unit Type | Packaged Gas |
| Cooling Capacity | 40,000 BTU (3.5 Ton) |
| Heating Input | 90,000 BTU |
| Heating Output | 72,000 BTU |
| SEER2 | 13.4 |
| EER2 | 11 |
| AFUE | 81% |
| CFM | 1400 |
| Fuel Type | Natural Gas / Propane |
| Electrical | 208/230V 1 Phase 60 Hz |
| Stage | 1 |
| Rated Load | 19A |
| Full Load | 86A |
| Min Circuit Ampacity | 29.9A |
| Max Fuse Breaker | 45A |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 60 oz |
| Decibel Rating | 80 dBA |
| Control Type | 24V Thermostat |
| Minimum Ambient Cool | 64.4°F |
| Color | Grey |
Performance Features
| Compressor Motor Type | Rotary |
| Condenser Fan Motor Type | PSC |
| Condenser Fan Motor | 1/3 HP, 1070 RPM |
| Blower Motor Type | ECM |
| Blower Motor | 1/2 HP, 4 Speeds |
| Ignition Type | Direct Spark Ignition |
| Metering Device | Piston |
| Cabinet Construction | Power-painted galvanized steel |
| Coil Design | Aluminum tubing with microchannel coils |
| Discharge Design | Horizontal |
| Installation Configuration | Downflow / Horizontal |
| Number of Burners | 6 |
| Drain Connection Size | 3/4" |
| Gas Connection Size | 1/2" |
| LP Kit Included | Yes |
| Inverter | No |
Certifications & Compliance
| UL Listed | Yes |
| CSA Listed | Yes |
| ETL Listed | Yes |
| AHRI Certified | Yes |
| Contains Electronics | Yes |
| Contains Chemicals | Yes |
| Contains Compressed Gas | Yes |
| Proposition 65 Warning | Yes |
Dimensions & Weight
| Net Dimensions (D x H x W) | 49.75" x 44.81" x 51.56" |
| Net Weight | 539 lbs |
| Shipping Dimensions (D x H x W) | 52.375" x 45.25" x 52.125" |
| Shipping Weight | 559 lbs |
Warranty Information
- 10 Year Parts Warranty - With registration
- Lifetime Heat Exchanger Warranty - With registration
- 5 Year Parts Warranty - Without registration
- 20 Year Heat Exchanger Warranty - Without registration
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Manuals & Certifications
Safety Information
PROPOSITION 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
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Advanced Technology
The MRCOOL VersaPro® 3.5 Ton 90K BTU packaged gas unit combines a 13.4 SEER2 cooling system with an 81% AFUE gas furnace for strong, reliable year-round performance. Its R-454B refrigerant provides a lower global warming potential than older refrigerants, making it a more environmentally responsible choice. Aluminum tubing with microchannel coil technology helps improve heat transfer and corrosion resistance, while the rotary compressor and ECM blower motor support smooth airflow, stable temperature control, and efficient operation.
Installation Advantages
This all-in-one package unit supports both downflow and horizontal installation, making it a flexible fit for many residential layouts. Its compact footprint helps it work well in tighter spaces, while the convenient service access panel simplifies maintenance. The included LP conversion kit adds flexibility for propane applications, and the heavy-duty galvanized steel cabinet is built to stand up to corrosion, harsh weather, and long-term wear.
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We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
SMS Delivery Notifications
If you opted into SMS notifications, we may send you order updates or delivery reminders by text message. Message frequency may vary. Message and data rates may apply. Text STOP to opt out. Text HELP for assistance.
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