Product Information
Block valve
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 Block Valve (Part No. 8733941819) is a service isolation valve for Bosch HVAC and hydronic systems, allowing secure shut-off of components during maintenance or replacement. Its straightforward design simplifies field servicing and reduces downtime, making it suitable for residential and light-commercial boiler, heat pump, and hydronic installations. No matching part page was found on Bosch North America product sites; this text is a category-based description in lieu of site-specific technical data.
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