Bosch 8733965420 3 Ton Air Handler Psc R-454B

Product Description

The BOSCH 8733965420 is a 3-ton, multi-position air handler designed for residential split systems using A2L refrigerant R-454B. It operates with a fixed-speed PSC motor that supports energy efficiency and humidity control across a range of installation orientations. The unit features an all-aluminum evaporator coil for corrosion resistance, foil-faced inner wall insulation, and a corrosion-resistant composite primary drain pan. A secondary drain pan is included for flexible installation applications. Licensed HVAC technicians install this unit as the indoor component of a matched inverter-driven split system.

The 8733965420 is part of the IDS Light system, a product line developed for warmer climate applications. It pairs with the BOVA15 outdoor condensing unit to form a complete IDS Light split system. The multi-position cabinet supports horizontal, vertical, and counterflow configurations, making it adaptable to a wide range of residential installation scenarios including attic, closet, and utility room placements. The R-454B refrigerant charge meets current low-global warming potential requirements applicable to newer refrigerant regulations.

Key Features

• Multi-position design supports horizontal, vertical, and counterflow installations
• Fixed-speed PSC motor provides reliable airflow with humidity control
• All-aluminum evaporator coil resists corrosion in humid environments
• R-454B A2L refrigerant meets low-GWP regulatory requirements
• Foil-faced insulation on inner cabinet walls reduces heat gain and condensation
• Corrosion-resistant composite primary drain pan plus secondary drain pan included

Compatibility

Designed to pair with the BOVA15 outdoor condensing unit as part of the Bosch IDS Light split system. This unit is configured for use with R-454B refrigerant and is intended for residential split-system applications in warmer climates.

Installation Notes

Installation must be performed by a licensed HVAC technician certified to handle A2L refrigerants under applicable EPA and local codes. Disconnect all electrical power and verify system pressure is relieved before opening refrigerant circuits. Follow ASHRAE 15 and local mechanical codes for A2L refrigerant handling, ventilation requirements, and leak detection. Confirm drain pan and condensate line pitch and routing before startup.

Technical Specifications

• Nominal Capacity: 3 Ton
• Motor Type: PSC Fixed-Speed
• Refrigerant: R-454B (A2L)
• Coil Material: All-Aluminum
• Installation Positions: Horizontal, Vertical, Counterflow
• Drain Pan: Corrosion-Resistant Composite Primary, Secondary Drain Pan Included
• Insulation: Foil-Faced Inner Wall

Standard Information

• Brand: BOSCH
• Manufacturer Part Number: 8733965420