Product Information
O-ring 13,87x3,53
Compatible with 10 equipment models
- ZBR16 Bosch Greenstar ZBR16 Wall Boiler
- ZBR21 Bosch Greenstar ZBR21 Wall Boiler
- ZBR28 Bosch Greenstar ZBR28 Wall Boiler
- ZBR35 Bosch Greenstar ZBR35 Wall Boiler
- ZBR42 Bosch Greenstar ZBR42 Wall Boiler
- ZWB28 Bosch Greenstar ZWB28 Wall Boiler
- ZWB28-3A Bosch Greenstar Pro ZWB28-3A Wall Boiler
- ZWB35 Bosch Greenstar ZWB35 Wall Boiler
- ZWB42 Bosch Greenstar ZWB42 Wall Boiler
- ZWB42-3A Bosch Greenstar Pro ZWB42-3A Wall Boiler
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 O-ring 13,87 x 3,53 mm (Bosch ordering no. 8 716 771 155 0) is an OEM sealing ring specified for hydraulic and potable-water pipe connections in Bosch condensing boilers and water‑heater assemblies. Supplied as a 10‑pack for service and maintenance, it appears in Bosch spare-parts lists and WebETK diagrams for models such as Condens 1200 W and the 5300i series, providing correct dimensional fit for the listed connection points. (bosch-homecomfort.com) (bosch-homecomfort.com)
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