Bruce, See attachment. The separator at the supply out of the boiler where water temp is the highest and the pump on the return pumping through the boiler still locates the separator on the suction side of the pump so that is an acceptable installation.
Bruce, See attachment. The separator at the supply out of the boiler where water temp is the highest and the pump on the return pumping through the boiler still locates the separator on the suction side of the pump so that is an acceptable installation.