RH2TY 4ton Standard Air Handler R454B

Quiet Operation: Provided by a cabinet construction with 1.0 inch of foil faced insulation for quieter sound characteristics

Aluminum Indoor Coil Design: Constructed of aluminum fins bonded to internally grooved aluminum tubing and are more corrosion resistant

Versatile 4-Way Convertible Compact Design: Allow for upflow, downflow, horizontal left and horizontal right applications even in the smallest of spaces

Rugged Steel, Compact Cabinet Construction: Designed for added strength and versatility

Field Installed Auxiliary Heater Kits: Provide exact heat for indoor comfort and include circuit breakers which meet UL and cUL requirements for service disconnect

Less than 2% Cabinet Air Leakage at 1-inch H2O: When tested in accordance with ASHRAE Standard 193

Designing for Sustainability with Low GWP: For 2025, the Environmental Protection Agency (EPA) has set a global warming potential (GWP) limit of 700 for refrigerant used in heating and cooling systems, This new requirement will result in a 78% lower GWP than previous-generation refrigerants - with only minimal changes to system installation, For us, this is another step toward our continued sustainability goal of reducing greenhouse gas emissions, while still delivering an exceptional level of energy efficient, dependable comfort

PlusOne® Refrigerant Detection System™: An integrated one-box, patented design featuring the A2L sensor and mitigation board, offering easier commissioning with a single component and simplified wiring configuration, compatibility with any 24V thermostat application and system protection by automatically pausing outdoor unit operation - if excess refrigerant is detected