Bosch 125B NGS Installation And Operating Instructions Manual page 22
Aquastar automatic instantaneous type water heaters for use with natural and liquefied petroleum gas installation and operating instructions 125b lps, 125b ngs
Bosch automatic instantaneous type water heaters for use with natural and liquefied petroleum gas (flow modulated with electronic ignition) suitable for heating potable water only not approved for space heating purposes (16 pages)
