Bosch 8733980473 48k 4-zone Mini-split System

Product Description

The BOSCH 8733980473 is a 48,000 BTU/h multi-zone ductless mini-split system designed for residential and light commercial applications requiring independent climate control across four separate zones. This kit bundles one outdoor condensing unit with four indoor air handlers — three 9,000 BTU/h units and one 18,000 BTU/h unit — delivering flexible capacity distribution across the zones served. The system ships as a complete matched assembly, reducing sourcing time for HVAC technicians configuring multi-room or multi-floor installations. This generation 4 (G4) regular-series configuration does not include a line set.

This multi-zone kit is suited for residential homes, multi-room suites, or light commercial spaces where individual zone temperature control is required without ductwork. The four-zone layout accommodates mixed-use floor plans — for example, three smaller rooms paired with one larger open area. Because no line set is included, the installing contractor supplies refrigerant lines and fittings to match the actual run lengths of each zone. HVAC technicians familiar with inverter-driven ductless systems and multi-port outdoor units will be the primary installers.

Key Features

• 48,000 BTU/h total system capacity across four independently controlled zones
• Three 9,000 BTU/h indoor air handlers (component 8733962672) and one 18,000 BTU/h indoor air handler (component 8733962674) included
• One outdoor condensing unit (component 8733962698) included
• Generation 4 (G4) regular-series platform
• Complete matched-component kit reduces compatibility guesswork at point of order
• Line sets not included — contractor-supplied to match actual installation run lengths

Compatibility

This kit pairs outdoor unit 8733962698 with indoor units 8733962672 (x3) and 8733962674 (x1) as a factory-matched multi-zone assembly. Designed for installations requiring a four-zone ductless configuration within the BOSCH G4 regular-series mini-split lineup.

Installation Notes

Installation must be performed by a licensed HVAC technician holding an EPA Section 608 certification for refrigerant handling. Disconnect all electrical power to the system before making any wiring or refrigerant connections. Each indoor unit requires a dedicated refrigerant line set and condensate drain run back to or from the outdoor unit and drain point respectively. Follow local mechanical and electrical codes, and consult the BOSCH installation manual for multi-zone port assignments and communication wiring requirements before commissioning.

Technical Specifications

• Total System Capacity: 48,000 BTU/h
• Number of Zones: 4
• Indoor Unit 1: 8733962672 x3 (9,000 BTU/h each)
• Indoor Unit 2: 8733962674 x1 (18,000 BTU/h)
• Outdoor Unit: 8733962698 x1
• Kit Net Weight: 272.71 pounds
• Kit Gross Weight: 355.77 pounds
• UPC: 52575023731
• Generation: G4
• Line Sets Included: No

Standard Information

• Brand: BOSCH
• Manufacturer Part Number: 8733980473