Functional Scheme - Bosch GWH C 920 ES Instruction Manual
Indoor residential and commercial models
temperature modulated with electronic ignition
suitable for heating potable water - not approved for space heating purposes
(intended for variable flow applications)
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Also See for GWH C 920 ES:
- Service bulletin (2 pages) ,
- Applications manual (36 pages) ,
- Installation manual (8 pages)
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