Part of this kit — included in the price above.

MRCOOL 21 Inch 4 Ton BTU R410A Horizontal Cased Evaporator Coil, MCHP51CNPA

MRCOOL 21 Inch 4 Ton BTU R410A Horizontal Cased Evaporator Coil, MCHP51CNPA

MRCOOL| SKU: MCHP51CNPA In Stock

$648.00$898.0028% off

Payment plans

From $54.00/mo with shop Pay View sample plans

$18.00/mo with Paytomorrow Learn More

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Amounts shown are maximums; actual savings depend on income, household size, utility, and program rules. Some programs require installation by a licensed or participating contractor and/or specific equipment efficiency ratings. Rebate data by Rewiring America. Not tax or legal advice — verify with the program before purchase. Questions? Call us at (888) 231-8920.

Free Delivery Jul 25-Aug 1 (Est.)
Optional accessories

Add common accessories before checkout.

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Add coverage

Choose optional coverage for your order.

Protection plan

Use your system worry-free for years to come

  • Comprehensive coverage for mechanical and electrical breakdowns, including power surges
  • Repairs covered 100% for the extended term — labor included, not just parts
  • Coverage for normal wear and tear that affects how the product works
  • Replacement or reimbursement if we can’t repair it
  • $0 deductibles, ever
  • Cancel anytime on a pro-rata basis
  • US-based support and quick claims filing
2-year protection · $149Add two years of optional service contract coverage. 5-year protection · $299Add five years of optional service contract coverage.

Coverage begins after the manufacturer warranty applies, and runs alongside it for items the factory doesn’t cover. Select a plan above the Add to Cart button to include it with your order.

Backed by Chill Mini Splits · (888) 231-8920Detailed terms and conditions

Product overview

Upgrade your comfort and efficiency with the MRCOOL 21 Inch 4 Ton R410A Horizontal Cased Evaporator Coil—built for powerful, reliable performance.

🔒 Superior Air Control: Secure door assemblies and line seal grommets reduce air leaks, delivering consistent airflow and energy savings every day.

🛡 Certified Safety & Clean Air: UL Listed and AHRI Certified for safety, plus UV-light compatible, low-water drain pans to help prevent mold and mildew buildup.

🛠 Easy Service & Installation: Removable top panels, extended refrigerant lines, and straightforward copper connections make setup and maintenance hassle-free.

Enhance your heating and cooling system—choose MRCOOL for long-lasting performance and greater peace of mind. Buy now and feel the difference!

In-stock systems ship fast and free with curbside freight delivery, typically arriving in 4–10 days. Please inspect each box at delivery and note any damage on the receipt before signing — it keeps any freight claim quick and simple.

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