Product Information
O-ring
Compatible with 8 equipment models
- KBR16 Bosch Greenstar KBR16 Floor Boiler
- KBR21 Bosch Greenstar KBR21 Floor Boiler
- KBR28 Bosch Greenstar KBR28 Floor Boiler
- KBR35 Bosch Greenstar KBR35 Floor Boiler
- KBR42 Bosch Greenstar KBR42 Floor Boiler
- KWB28 Bosch Greenstar KWB28 Floor Boiler
- KWB35 Bosch Greenstar KWB35 Floor Boiler
- KWB42 Bosch Greenstar KWB42 Floor Boiler
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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.
Bosch O‑ring (part number 8 710 205 085 0 / 87102050850) is supplied as a 10‑piece kit of sealing rings sized 17.5 × 4.0 mm, specified for use in hydraulic, condensate and return‑pipe assemblies. Intended as an OEM replacement part for multiple Bosch boiler and water‑heating modules, the kit simplifies on‑site repairs and routine maintenance by providing the correct original‑equipment seals for pipe and connection interfaces. (bosch-homecomfort.com)
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