Boilers > Galaxy GXH-II Technical Resources Galaxy-GXHII-Series-Water-Installation-and-Operating-Instructions-01-18-21GXH-GXHII-SERIES-PARTS-LIST-0121Gas-Conversion-Field-Assembly-Kit-118Sizing-Radiation-for-Radiator-Steam-Systems-180Galaxy-Steam-Specifications-616.docCODE-APPROVALS_0121Homeowner Info Galaxy-Sentry-Sentinel-Series-Users-Manual-Standing-Pilot-1111Galaxy-Sentry-Sentinel-Series-Users-Manual-Spark-Ignition-119Related TopicsFlood-Damaged-Appliances-Warning-113Flue-Gas-Condensation-Within-Boilers-107Anti-Freeze-in-Hydronic-Systems-190Installing-a-Boiler-on-Combustible-Flooring-107Using-Slant-Fin-Boilers-with-Power-Venters-496Polarizing-and-Phasing-180Upgrading-a-Gravity-Hot-Water-Heating-System-1193