2 Ton Rheem 14.3 SEER2 R-454B Short Apartment/Condo Air Conditioning System
This 2 ton (24,000 BTU) Rheem system pairs the RA14AY24BJ1NA Endeavor Line Classic Series condenser with the slim 17-1/2" RB2TY2417STANMJB low-boy air handler for an AHRI-certified 14.3 SEER2 rating (AHRI #216683638). It is the space-saving, value-focused way to put a full 2 tons of R-454B cooling into one- and two-bedroom condos and apartments where the mechanical closet is short, narrow, or shared with a water heater. Property managers and installers get the narrowest cabinet Rheem offers in this line, a quiet constant-torque ECM blower, and a choice of 5 kW or 7 kW electric heat.
Is a 2 Ton Short Air Handler System the Right Size?
Two tons of cooling commonly suits living spaces of about 900 to 1,200 square feet, which covers many one-bedroom-plus-den and two-bedroom floor plans. Treat that as a rough check; the real answer comes from a load calculation for the specific unit.
In multifamily buildings, the location of the unit matters as much as its size. A middle-floor interior unit surrounded by conditioned neighbors may need less cooling than a top-floor or corner unit with more roof and exterior wall exposure. Large sliders, west-facing glass, high occupancy, and hot, humid summers all add load.
Ideal for: One- and two-bedroom condos, apartments with narrow or low closets, townhome-style rentals, and like-for-like replacement of 2 ton apartment closet air handlers where width is the tightest constraint.
Need more capacity? Step up to the 2.5 Ton Rheem RA14AY30AJ1NA & RB2TY3621STANMJB Short Apartment System for larger condos requiring additional cooling capacity.
Recommended applications are general guidelines only. Actual system requirements depend on insulation, windows, sun exposure, ceiling height, climate, occupancy, and ductwork. Request free sizing assistance, contact Budget Heating, or call 813-885-7999.
What's Included
| Outdoor Condensing Unit | RA14AY24BJ1NA — 2 Ton Endeavor Line Classic Series R-454B Air Conditioner |
|---|---|
| Indoor Air Handler | RB2TY2417STANMJB Short/Low-Boy Multi-Position Air Handler (17-1/2" Cabinet) |
| Application | Central Air Conditioning with Electric Heat — 14.3 SEER2, AHRI #216683638 |
| Refrigerant | R-454B |
| Compressor | Single-Stage Scroll Compressor |
| Blower Motor | 1/3 HP Constant Torque ECM, 5-Speed, Two-Stage Airflow |
| Electrical | 208-230V, Single Phase, 60 Hz Condensing Unit |
| Air Handler Electrical | 208-240V, Single Phase, 60 Hz with Circuit Breaker |
Outdoors, the RA14AY24BJ1NA uses a 24" three-blade fan moving 3,146 CFM across a single-row 7mm coil and ships with 112 oz of R-454B. Indoors, the RB2TY2417STANMJB keeps the 17-1/2" footprint of the 1.5 ton system; pick the 5 kW or the RB2TY2417STANMJB07 7 kW air handler from the options above. Both units connect at 3/4" suction and 3/8" liquid, so a 25 ft 3/4" x 3/8" copper line set handles most short apartment runs. For scheduling, the TempeSure TESPR22 programmable thermostat is a simple add-on.
Condensing Unit & Air Handler Features
RA14AY24BJ1NA Outdoor Condensing Unit
- 2 ton (24,000 BTU) single-stage R-454B air conditioner
- Scroll compressor with internal pressure relief and thermal overload
- 112 oz factory refrigerant charge
- 24" three-blade, 1/6 HP condenser fan at 825 RPM
- 25" H x 33-3/4" W x 33-3/4" L cabinet, 163 lb operating weight
- 17 MCA with 25 amp maximum HACR breaker or fuse
- PlusOne Expanded Valve Space for easier brazing
- External gauge ports and service trays
- Long-line capable to 250 ft equivalent length
- 10-year conditional parts warranty, registration required
RB2TY2417STANMJB Short Air Handler
- Narrow 17-1/2" wide, 35" tall low-boy cabinet
- Upflow, downflow, or horizontal left/right configuration
- Constant-torque ECM blower delivers nominal airflow to 0.58" external static
- Low continuous fan speed for quiet air circulation
- Field-selectable airflow with 5 speed taps
- TXV metering device and factory A2L refrigerant sensor
- Rugged steel cabinet with 1" foil-faced insulation
- Tab-lock blower housing with integrated heater and controls
- Breaker-protected 5 kW or 7 kW heat options
- 15-7/8" x 19-3/4" return air opening
Specifications & Manuals
Product documentation includes RA14AY condenser specifications, installation instructions, and brochure, RB2TY air handler specifications and installation instructions, and Rheem warranty information to assist with equipment selection, installation, and service.
Frequently Asked Questions
How much space can the 2 ton RA14AY24BJ1NA short system cool?
As a general guideline, about 900 to 1,200 square feet. Unit position in the building, window area, and climate can push that range up or down, so a load calculation is recommended.
What is the difference between this system and the 2 ton RB2TY3621STANMJB version?
Both use the same RA14AY24BJ1NA condenser. This system uses the narrower 17-1/2" RB2TY2417STANMJB and is rated 14.3 SEER2, while the 2 ton system with the 21" RB2TY3621STANMJB reaches 15.2 SEER2. Choose this one when closet width is limited.
Can the RB2TY2417STANMJB be installed horizontally?
Yes. The RB2TY is 4-way field convertible for vertical upflow, vertical downflow, horizontal left-hand, or horizontal right-hand air supply. The coil and blower are always in a draw-through arrangement.
What does the switch to R-454B mean for a 2 ton apartment replacement?
R-454B has a much lower global warming potential than R-410A, and both the RA14AY24BJ1NA and RB2TY2417STANMJB are designed specifically for it, including an A2L refrigerant sensor. Older R-410A indoor coils should not be reused. Read more in our refrigerant transition guide.
What breaker size does the RA14AY24BJ1NA condenser need?
The 2 ton RA14AY condenser lists a 17 amp minimum circuit ampacity and a 25 amp maximum HACR breaker or fuse at 208/230V single phase. The air handler is wired separately based on the heat strip selected.
Is there a heat pump version of this 2 ton short apartment system?
Yes. The 2 ton Rheem RP14AY24AJ2NA heat pump short apartment system uses the same RB2TY2417STANMJB air handler for owners who want heat pump heating instead of relying on the heat strip.
RA14AY Technical SpecificationsRA14AY Installation InstructionsRA14AY BrochureRB2TY Technical SpecificationsRB2TY Installation InstructionsRheem Warranty Certificate
