Description
The Bosch 8733930005 is a factory-specified expansion device valve engineered for use with Bosch BBIZE-3 series HVAC equipment. Designed to precisely meter refrigerant flow into the evaporator coil, this expansion valve plays a critical role in maintaining system efficiency, protecting the compressor, and ensuring consistent thermal performance across a wide range of operating conditions.
Product Overview
As a genuine Bosch OEM replacement component, the 8733930005 expansion device is built to exact manufacturer tolerances for the BBIZE-3 platform. The 15% B designation indicates a specific refrigerant flow rating calibrated to match the system’s designed capacity, making it essential to use the correct part for proper system operation and warranty compliance.
Key Features
- OEM Bosch expansion device valve for BBIZE-3 series systems
- 15% B flow rating for precise refrigerant metering
- Engineered to maintain optimal superheat and system efficiency
- Direct factory replacement — no modifications required
- Supports reliable compressor protection and evaporator performance
- Built to Bosch quality and manufacturing standards
Application
- Compatible with Bosch BBIZE-3 series HVAC equipment
- Designed for use in split-system and heat pump refrigerant circuits
- Intended for installation by qualified HVAC technicians
Why Choose a Genuine Bosch Replacement?
Using the correct OEM expansion device ensures the refrigerant circuit operates within design parameters. Aftermarket or incorrect valves can lead to improper superheat, reduced efficiency, compressor damage, or voided equipment warranties. The Bosch 8733930005 delivers the confidence of an exact-match replacement backed by Bosch engineering.







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