Upgrade your comfort system with the MRCOOL MCMP1824A0TB — a premium, multi-position A-coil engineered for performance, flexibility, and long-term reliability. Designed to pair perfectly with MRCOOL air handlers, furnaces, and condensers, this coil ensures maximum cooling efficiency and long-lasting durability.
Key Features
- Multi-Position Flexibility: Compatible with upflow, downflow, and horizontal installations to fit nearly any HVAC setup.
- 1.5–2 Ton Capacity Range: Ideal for smaller homes, offices, and spaces requiring efficient cooling and heating transfer.
- R-454B Refrigerant Ready: Pre-tested and optimized for modern refrigerant systems for superior energy performance.
- All-Aluminum Construction: Provides corrosion resistance and better heat transfer for longer coil life.
- Factory-Installed TXV (Thermal Expansion Valve): Ensures precise refrigerant control and maximizes efficiency.
- Insulated Cabinet: Reduces condensation and noise for quiet, dependable operation.
- High-Efficiency Design: Helps achieve rated SEER efficiency when matched with MRCOOL outdoor units.
Specifications
- Model: MCMP1824A0TB
- Cooling Capacity: 1.5 – 2 Tons
- Refrigerant Type: R-454B
- Configuration: Multi-Position (Upflow / Downflow / Horizontal)
- Construction: All-Aluminum Coil
- TXV Type: Factory-Installed
Why Choose MRCOOL
With MRCOOL, you’re not just buying parts—you’re investing in a complete comfort solution built for efficiency, reliability, and easy installation. Whether you’re replacing a worn coil or designing a new system, MRCOOL makes it simple to achieve professional-grade performance at an affordable price.
Warranty:
Base Warranty: 10 Year Part Warranty
Base parts Warranty: 10 Years
MRCOOL® Pre-Charged Cased A-Coil (MCMP*OTB Series) — R-454B, Pre-Installed TXV, Multi-Position, CoolGuard®
Upgrade smarter. Install easier. Live better. The MRCOOL® Pre-Charged Cased A-Coil is a next-generation, pre-charged evaporator coil designed for modern, high-efficiency HVAC systems. Featuring R-454B refrigerant, pre-installed TXV, CoolGuard® corrosion-resistant coil, and multi-position flexibility (upflow, downflow, horizontal), this coil streamlines installation—especially when paired with MRCOOL® No-Vac® pre-charged line sets. It’s a simple, safe, and sustainable way to upgrade home comfort.
Why Choose the MRCOOL® Pre-Charged Coil?
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Pre-Charged with R-454B (Low-GWP): Eco-forward refrigerant choice.
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Plug-and-Play Friendly: Engineered for MRCOOL® No-Vac® pre-charged line sets for a simpler, cleaner install.
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Pre-Installed TXV: Optimizes refrigerant flow for reliable, high-efficiency performance.
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CoolGuard® Corrosion-Resistant Coil: Durable construction that protects your investment.
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Multi-Position Application: Flexible installation options—upflow, downflow, horizontal left, or horizontal right.
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Built-In A2L Leak Detection Sensor: Added safety for peace of mind.
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Compact Design: Ideal for tight mechanical spaces and retrofit installations.
- 10-Year Limited Parts Warranty.
Dual Fuel Ready: Heat Pump + Furnace + Pre-Charged Coil
Build a powerful dual fuel system by pairing this pre-charged A-coil with a compatible heat pump and your existing gas furnace. The system can choose the most efficient heat source—electric heat pump in milder weather, gas furnace during extreme cold—while delivering energy-efficient cooling all summer.
High-Efficiency, Safety-Focused, Installer-Friendly
The MRCOOL® Pre-Charged Cased A-Coil (MCMP*OTB Series) is engineered for high-efficiency HVAC requirements. With R-454B refrigerant, a pre-installed TXV, and a CoolGuard® corrosion-resistant coil, you get dependable performance and long-term durability. Pair it with MRCOOL® No-Vac® pre-charged line sets to streamline installation and minimize handling—ideal for upgrades and retrofits seeking speed, consistency, and quality results.
Available Models (Indoor – MCMP*OTB)
- MCMP1824AOTB
- MCMP1824BOTB
- MCMP3036BOTB
- MCMP4860COTB
- MCMP4860DOTB
Specifications
| Model |
Power Supply |
Net Dimensions (W×D×H) |
Packaging Dimensions (W×D×H) |
Weight (Net/Gross) |
Refrigerant |
Liquid / Gas Line |
| MCMP1824AOTB |
24V, 60Hz, 1Ph |
14.5″ × 21″ × 18″ |
16.92″ × 25.39″ × 19.88″ |
42 / 50 lbs |
R-454B |
3/8″ / 3/4″ |
| MCMP1824BOTB |
24V, 60Hz, 1Ph |
17.5″ × 21″ × 18″ |
20.47″ × 26.18″ × 20.47″ |
42 / 50 lbs |
R-454B |
3/8″ / 3/4″ |
| MCMP3036BOTB |
24V, 60Hz, 1Ph |
17.5″ × 21″ × 23.5″ |
20.47″ × 26.18″ × 25.39″ |
59.5 / 68 lbs |
R-454B |
3/8″ / 3/4″ |
| MCMP4860COTB |
24V, 60Hz, 1Ph |
21.625″ × 21.5″ × 27.75″ |
31.69″ × 25.59″ × 26.57″ |
97 / 115 lbs |
R-454B |
3/8″ / 3/4″ |
| MCMP4860DOTB |
24V, 60Hz, 1Ph |
24.5″ × 21″ × 28″ |
27.75″ × 26.18″ × 30.31″ |
81 / 92 lbs |
R-454B |
3/8″ / 3/4″ |
Installation Flexibility
This cased A-coil supports upflow, downflow, horizontal right, and horizontal left orientations, making it adaptable to a wide range of residential layouts and retrofit conditions. Compact cabinet sizing helps reduce install time and fit challenges.
Best Pairings & Use Cases
- Ideal for dual fuel systems (heat pump + gas furnace) seeking efficient year-round comfort.
- Great for retrofits and upgrades where installation speed and reliability matter.
- Compatible with MRCOOL® No-Vac® pre-charged line sets for simplified, cleaner installs.
Frequently Asked Questions
What makes a “pre-charged” A-coil different?
It ships with R-454B refrigerant and is designed to pair with No-Vac® pre-charged line sets for a faster, cleaner installation.
Does this coil work in multiple positions?
Yes—upflow, downflow, horizontal right, and horizontal left orientations are supported.
Is there built-in leak detection?
Yes, it includes an A2L leak detection sensor for enhanced safety.
Can I use this in a dual fuel system?
Absolutely. Pair with a compatible heat pump and gas furnace so the system can choose the most efficient heat source.
