Product Information
Main control board subassembly
Please note: Hydrowest Products Ltd. is a wholesale distributor and sells exclusively to licensed contractors and trade professionals.
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.
Bosch Main Control Board Subassembly (Part No. 8733956870) is a replacement control module intended to provide central system logic and operational control for compatible Bosch HVAC and water‑heating equipment. It consolidates sensor inputs, user interface connections, and safety interlocks into a single assembly to simplify diagnostics and reduce service time during field repairs. Note: the exact part number was not located on Bosch North America product pages; this description is based on the part name and category rather than verified Bosch technical documentation.
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