2 - 2.5 Ton Goodman R32 Horizontal Slab Coil, CSCT3012M3
Built for the mid-size homes that make up much of the replacement market, the Goodman CSCT3012M3 is a 2 to 2½ ton cased horizontal slab coil engineered specifically for R-32 refrigerant. It sits in line with a horizontal gas furnace and delivers factory TXV metering, an all-aluminum coil, and an integrated R-32 leak detection sensor inside a 33½" wide M-size cabinet, a solid choice for HVAC contractors and DIY-savvy homeowners upgrading to Goodman's latest refrigerant platform.
Is a 2 - 2.5 Ton Horizontal Slab Coil the Right Size?
With a nominal rating of 2–2½ tons, the CSCT3012M3 covers the 24,000–30,000 BTU/h range that many two- and three-bedroom homes need. That half-ton of flexibility helps when your load calculation lands between standard sizes and you want room to pair with either a 2 ton or 2½ ton R-32 outdoor unit.
Before you order, compare your blower's capability with Goodman's airflow data for this coil, published from 700 to 1,400 SCFM. Duct layout, return size, and climate also matter. Long, restrictive duct runs or high-humidity regions may shift which outdoor unit and blower speed make the best match.
Ideal for: Mid-size single-family homes, townhomes, and horizontal furnace installs in attics or crawlspaces replacing a 2 or 2½ ton coil with an R-32 system.
Need more capacity? Step up to the 2.5 - 3 Ton Goodman R32 Horizontal Slab Coil, CSCT3612L3 for homes that need up to 3 tons and a 30" wide plenum opening.
Recommended tonnage applications are general guidelines only. Actual system requirements depend on a proper load calculation, duct design, blower airflow, and the approved outdoor unit match. Request free sizing assistance, contact Budget Heating, or call 813-885-7999.
What's Included
| Indoor Coil | CSCT3012M3 — Cased Horizontal Slab Indoor Coil |
|---|---|
| Nominal Capacity | 2 - 2½ Tons |
| Refrigerant | R-32 |
| Expansion Device | Factory-Installed TXV |
| Cabinet Dimensions (W x D x H) | 33½" x 12" x 25" |
| Plenum Opening (W x H) | 24" x 21" |
| Line Connections | 3/8" Liquid, 7/8" Suction |
| Ship Weight | 42 lbs |
Compared with the smallest CSCT model, the CSCT3012M3 widens the cabinet to 33½", enlarges the coil face to 28" x 24", and moves up to a 7/8" suction connection to support the added capacity. It still weighs only 42 pounds and ships with the TXV and R-32 sensor already in place.
Coil & Cabinet Features
CSCT3012M3 Refrigerant & Safety Components
- Factory-mounted TXV meters R-32 refrigerant for cooling applications
- Integrated R-32 sensor built to last the life span of the coil
- Coil circuits and manifolds designed around R-32
- Durable all-aluminum evaporator coil
- 28" x 24" coil face in the M-size cabinet
- 7/8" suction and 3/8" liquid service connections
- Pressure-drop data published from 700 to 1,400 SCFM
- Uniform copper suction stub length simplifies brazing
- Certified by AHRI and listed by ETL
- Compatible with the Goodman R-32 zoning accessory kit 0230K00007
Cabinet Construction & Condensate Handling
- Leather grain-embossed galvanized steel cabinet
- Internal foil-faced insulation helps limit cabinet sweating
- Thermoplastic drain pan resists rust and UV exposure
- DecaBDE-free drain pan with secondary drain connections
- Primary and secondary 3/4" female NPT drain ports
- Drain pan rails simplify coil removal and repositioning
- Field-selectable left or right orientation
- Mounts on the discharge side of the furnace
- Indoor-rated cabinet, not for outdoor use
- 10-Year Parts Limited Warranty when registered online within 60 days
Specifications & Manuals
Use the technical specifications to confirm cabinet size, connections, and airflow, and follow the CSCT installation instructions for R-32 sensor wiring, furnace compatibility scenarios, and condensate drain piping.
Frequently Asked Questions
What tonnage outdoor unit works with the CSCT3012M3?
Goodman rates the CSCT3012M3 for 2 to 2½ ton R-32 systems. The final indoor and outdoor combination must be manufacturer approved and AHRI listed.
How does the CSCT3012M3 differ from the smaller CSCT2412S3?
The CSCT3012M3 uses a wider 33½" cabinet (vs. 25½"), a 24" wide plenum opening (vs. 16"), a larger 28" x 24" coil face, and a 7/8" suction connection instead of 3/4", supporting up to 2½ tons.
Does the CSCT3012M3 leak detection sensor need to be wired?
Yes. The R-32 sensor must be installed and powered. It wires directly to a compatible Amana, Goodman, or Daikin furnace board, or to the Non-A2L Furnace Integration Kit (0230K00044) when the furnace lacks R-32 sensor compatibility.
Can the CSCT3012M3 be installed for left or right airflow?
Yes. It is a bi-directional coil that ships for left-side application and can be set up for either direction. Choose the side that gives you the best service access.
How far from the furnace should the CSCT3012M3 be installed?
Goodman calls for the coil to be installed downstream of the furnace with at least 18" between the furnace outlet and the coil. It should never be mounted directly onto the furnace outlet.
What kind of homes typically use a 2 - 2.5 ton coil?
This size commonly serves mid-size homes and townhomes. A Manual J load calculation is the best way to confirm. Pair it with a complete split system setup for a full replacement.
CSCT Technical Specifications
CSCT Installation Instructions
