Product Information
ZWB28 Greenstar Combi Boiler 100K BTU
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 ZWB28-3 Greenstar Wall Combi 100 (part number 7738100002) is a compact wall‑mounted condensing combi boiler engineered for residential and light‑commercial use, delivering both space‑saving installation and on‑demand domestic hot water. (bosch-homecomfort.com) It incorporates Bosch Greenstar condensing technology — an aluminum‑silicon alloy heat exchanger, fully‑modulating fan assembly, and 95% AFUE — to maximize efficiency, simplify service, and provide reliable heating performance for contractors and specifiers. (bosch-homecomfort.com)
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