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top fed gravity hot water heating
As much as I want to I cannot afford to buy the currently available AM Daniels 1928 first edition of Steam and hot water heating and I am hoping the fine members have pictures to share of top fed or bottom fed gravity hot water heating systems??
Have any of you used the two inch tapping's in modern boilers and expanded them to 4 inch pipe above the boilers steam chest using 2 to 4 or larger reducers for the up feed and return piping?.