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ZWB35 Greenstar Combi Boiler 131K BTU
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Bosch ZWB35‑3 Greenstar Wall Combi 131 (part number 7738100256) is a compact wall‑mounted combi boiler engineered to deliver both space heating and on‑demand domestic hot water in a single footprint—ideal for tight mechanical spaces and retrofit projects. The Greenstar range offers 95% AFUE, insulated casing for ultra‑quiet operation, a fully‑modulating fan and an aluminum‑silicon alloy heat exchanger designed to minimize service frequency and support clean combustion. (bosch-homecomfort.com)
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