5 Ton Rheem RHMVY6021SEACAJ Modulating Air Handler
The Rheem RHMVY6021SEACAJ delivers 5 tons of Endeavor Line modulating performance in a slim 21-inch cabinet — Rheem's best variable-speed air handler, matched to R-454B inverter systems. Its truly variable-speed Constant CFM motor and factory-installed EEV coil provide the high airflow a large home demands, in a footprint that fits installations where cabinet width is limited, with an included PlusOne A2L refrigerant sensor.
Is the RHMVY6021SEACAJ the Right Air Handler?
This 60,000 BTU air handler is built for 5 ton R-454B systems serving large homes and high-load spaces, operating across roughly 1,000 to 1,600 CFM in cooling and up to 1,700 CFM in heating with a matched RP19AY heat pump. What sets this particular 5 ton model apart is the narrower 21-inch cabinet: it delivers full 5 ton airflow while fitting closets and mechanical spaces that can't accommodate the widest 24.5-inch cabinet.
Because it is a taller, slim-footprint design at 21 inches wide and 57 inches tall, the RHMVY6021SEACAJ is a smart pick where floor width is constrained but vertical space is available. Adequate duct capacity remains essential at 5 tons, so pair selection with a Manual J and duct review.
Ideal for: 5 ton R-454B systems in large homes where a narrower cabinet footprint is needed.
Matched outdoor unit: Pair it with the 5 Ton Rheem RP19AY60AJVCA Inverter Heat Pump. Need a wider cabinet with more coil face? Compare the 24.5-inch RHMVY6024SEACNJ.
Recommended applications are general guidelines only. Actual system requirements depend on the matched outdoor unit, insulation, duct design, and your local design temperatures. Request free sizing assistance, contact Budget Heating, or call 813-885-7999.
What's Included
| Air Handler | RHMVY6021SEACAJ — 5 Ton Endeavor Line Modulating Air Handler |
|---|---|
| Nominal Capacity | 5.0 Tons / 60,000 BTU |
| Cabinet Size | 21 in. W × 57 in. H (slim footprint) |
| Blower Motor | 3/4 HP truly variable-speed Constant CFM ECM, modulating (300–1300 RPM) |
| Rated Airflow | ~1,000–1,600 CFM cooling (up to 1,700 CFM heating with a matched RP19AY) |
| Indoor Coil | Factory-installed aluminum coil with Electronic Expansion Valve (EEV) |
| Line Connections | Liquid 3/8 in., Vapor 7/8 in. (copper sweat) |
| Refrigerant | R-454B (low-GWP A2L) |
| Refrigerant Detection | Factory-installed PlusOne A2L sensor with mitigation (included) |
| Controls | EcoNet Enabled communicating board with PlusOne Bluetooth diagnostics |
| Installation | 4-way convertible — upflow, downflow, horizontal left/right |
| Electrical | 208/240V, 1 Ph, 60 Hz — MCA 8, Max Breaker 15A (blower only); accepts field-installed heat kits |
| Shipping Weight | ~152 lbs. |
| Warranty | 10-Year Parts Limited Warranty (registration required) |
This model delivers full 5 ton airflow from a 21-inch cabinet, combining EcoNet communicating control, EEV metering, and an included A2L refrigerant detection sensor with a footprint that fits width-restricted installations.
Airflow & Design Features
Airflow & Efficiency
- Truly variable-speed Constant CFM modulating blower
- Rated ~1,000–1,600 CFM cooling for a 5 ton system
- Electronic Expansion Valve for precise refrigerant metering
- Part of 18+ SEER2 R-454B inverter systems
- Slim 21-inch cabinet delivers full 5 ton airflow
- Less than 2% cabinet air leakage at 1-inch H2O
Controls, Safety & Serviceability
- EcoNet Enabled communicating control board
- PlusOne Bluetooth diagnostics and dip-switch-free commissioning
- Included PlusOne A2L refrigerant detection sensor
- Slim 21-inch steel cabinet for width-restricted spaces
- 4-way convertible with 1.0-inch foil-faced insulation
- Slide-out blower and molded corrosion-resistant drain pan
Specifications & Manuals
Product documentation includes technical specifications, installation instructions, a parts list, and warranty information to assist with equipment selection, installation, and service.
Frequently Asked Questions
Why choose the 21-inch cabinet 5 ton RHMVY6021SEACAJ?
The 21-inch cabinet delivers full 5 ton airflow in a narrower footprint than the 24.5-inch model, making it the better choice when installation width is limited but vertical space is available.
How tall is the RHMVY6021SEACAJ cabinet?
The 21-inch-wide 5 ton cabinet is 57 inches tall, trading height for a slimmer floor footprint. Remember to allow the 24-inch front clearance required for filter and coil maintenance.
Which 5 ton heat pump pairs with this air handler?
It matches a 5 ton R-454B outdoor unit such as the Rheem RP19AY60AJVCA inverter heat pump, and is also rated with matched RA19AY air conditioners.
What is the difference between this and the 24.5-inch 5 ton model?
Both are 5 ton modulating air handlers. This 21-inch version has a slimmer, taller footprint at 57 inches, while the 24.5-inch RHMVY6024SEACNJ uses a wider, lower-profile 55.5-inch cabinet with more coil face.
Does the EEV make this compatible with heat pumps?
Yes. The Electronic Expansion Valve includes an internal check valve and opens fully in heating mode to maximize reverse refrigerant flow, providing full heat-pump compatibility in both heating and cooling.
What warranty covers the RHMVY6021SEACAJ?
Rheem provides a 10-year parts limited warranty with online registration. Complete terms and conditions are in the warranty certificate available in the documents section above.
RHMV Technical Specifications
Rheem Warranty Certificate
