
C Model System layout 6: Combi model boiler using direct supply piping via for heating and on
demand hot water WITH storage tank for DHW.
C Model System layout 7: Combi model boiler using direct supply piping via for heating and on
demand hot water WITH re-circulation pump for DHW.
49
Use al temp sensor to turn on pump.
or run a pump on a timer
(recommend Grundfos 15-10)
Re-circ pump
Z
Z
Z = check valve