. Hot water supply and kitchen boiler connections : a text book on the installation of hot water service in residences and other buildings and methods of connecting range boilers, steam and gas water heaters. , of water CORROSION OF WATER FRONTS, ETC. 21 Wafer-Back heated. The reservoir may be made out of 3 in. iron pipeabout 18 in. long, the top being closed by a cap drilled andtapped to fit the safety valve and having a plug for easy fillingas often as is necessary. While this system is one requiring at-tention it is efficacious as the alkaline water in the boiler which,is fed from the main
. Hot water supply and kitchen boiler connections : a text book on the installation of hot water service in residences and other buildings and methods of connecting range boilers, steam and gas water heaters. , of water CORROSION OF WATER FRONTS, ETC. 21 Wafer-Back heated. The reservoir may be made out of 3 in. iron pipeabout 18 in. long, the top being closed by a cap drilled andtapped to fit the safety valve and having a plug for easy fillingas often as is necessary. While this system is one requiring at-tention it is efficacious as the alkaline water in the boiler which,is fed from the main pipe in the usual manner is heated byconduction and does not become heated to the high temperaturethat it would when passed througha water front or coil in the firebox in ^ IflD the usual manner. Thus the pre-cipitation of the mineral contents is ^almost entirely avoided as there isvery little effect on the water untilboiling point has been reached. It isa good plan when using water thatcarries sediment or that is likely toprecipitate lime to use tees at allbends or turns instead of ells and toplug one outlet. Thus the pipescan be easily cleaned with a wirewhen the sediment begins to fill up the SedimentCook Fig. 4. A Sediment Chamber. Sediment Collecting Chambers. A sediment chamber which collects mud and other matterprecipitated in the heating system is shown at Fig. 4. A clean-out screw on the bottom allows of the easy removal of the sedi-ment and its flushing with a hose. This appliance can be fitted on the return connection of thewater front or immediately under the lower tapping of theboiler as found desirable and convenient. A sediment chamber of a little different design and intendedto be fitted to the lower tapping of a vertical boiler is shownin Fig. 5. From the illustration it will be seen than an innertube extends through the connection into the boiler, thus keep-ing the inlet to the water front above the level at which sedimentwill be likely to stand. A hose
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