Product Information
Air limiter
Compatible with 9 equipment models
- KBR35 Bosch Greenstar KBR35 Floor Boiler
- KBR42 Bosch Greenstar KBR42 Floor Boiler
- KWB35 Bosch Greenstar KWB35 Floor Boiler
- KWB42 Bosch Greenstar KWB42 Floor Boiler
- ZBR35 Bosch Greenstar ZBR35 Wall Boiler
- ZBR42 Bosch Greenstar ZBR42 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.
The Bosch Air Limiter (PN 87105052100) is an OEM service part that restricts and regulates airflow inside Bosch HVAC equipment, enabling installers to set and balance airflow during commissioning and maintenance. (bosch-homecomfort.com) Intended for use by qualified technicians, it helps protect downstream components and provides a field‑serviceable method to meet system design requirements. (bosch-homecomfort.com) No dedicated Bosch North America product page for PN 87105052100 was found; this description is based on Bosch spare‑parts and service documentation for comparable airflow control parts. (bosch-homecomfort.com)
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