9-25 B is an in-line type. A tank unit is also needed to prevent the interchange of boiler and tank water, while permitting air to enter the tank (Fig. 9-26). Fig. 9-27 shows a typical boiler-piping diagram. Notice that the make-up water is introducedanbsp;...
|Title||:||How to Design Heating-Cooling Comfort Systems|
|Author||:||Joseph B. Olivieri|