The literary digest . n There is no excuse for noisy, leaky, half-hot radiators. On existing steam heatingsystems they can be remedied, and inneiv systems prevented by Dunham Heat-ing Service—amany-sided service of equalvalue to home owners, steam heating con-tractors and managers of factories andottice Water foims in a radiator as steam condenses andgives up its heat. This water must be removed as it forms—so must the air that collects. Otherwise the steamcannot circulate freely and give up its useful heat. This fact was fully recognized in 1903 when DunhamHeating Service was perf
The literary digest . n There is no excuse for noisy, leaky, half-hot radiators. On existing steam heatingsystems they can be remedied, and inneiv systems prevented by Dunham Heat-ing Service—amany-sided service of equalvalue to home owners, steam heating con-tractors and managers of factories andottice Water foims in a radiator as steam condenses andgives up its heat. This water must be removed as it forms—so must the air that collects. Otherwise the steamcannot circulate freely and give up its useful heat. This fact was fully recognized in 1903 when DunhamHeating Service was perfected. This Service accomplisheswhat you may have thought impossible—it gives you aheating system in which every radiator heats up quicklywithout noise and without leaking water over steam enters through a Dunham Packless (thereforeleakless) Radiator Valve, placed at the top of each radi-ator, and flows without interruption to the DunhamRadiator Trap which automatically removes the water(condensed steam) and air. There is no leakage of steam,consequently no waste of valuable heat. New installations designed by Dunham Heating Service are com-plete in every respect. If you desire any particular make of boileror radiator, We shall be glad to include them in the design, so thatthey will work
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