Product Information
Bosch - Chassis assembly below
Compatible with 2 equipment models
- BMS500-AAU018-1AHWXC Minisplit 18kBTU Universal Wall Mounted 230V
- BMS500-AAU018-1AHWXD MS 18K Universal Wall Mount 230V-454B
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Fast Shipping
In-stock orders ship within 1 business day to anywhere in Canada.
Code-Compliant
All products meet Canadian HVAC and gas code standards.
Wholesale Pricing
Trade pricing for licensed contractors. 40+ years in the industry.
Chassis assembly (Part No. 8733956840) is a replacement structural sub‑assembly for Bosch HVAC indoor units and service parts applications, providing a rigid mounting platform and organized routing for electrical and mechanical components. Designed for straightforward field replacement, it improves technician access, secures key modules and controls, and preserves alignment and serviceability within compatible Bosch systems. I searched Bosch Home Comfort and Bosch Clima sites but did not locate an official parts listing for 8733956840. (bosch-homecomfort.com)
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