Crown Boiler MWC116ENL - Manual (Page 40)

38
B. Boiler Connections
Boiler supply and return connections are located on the bottom of the boiler as shown in Figure 9.4. Copper 3/4” tail
pieces are provided in the fi tting bag along with gaskets. Sweat the fi rst copper fi ttings to these tail pieces and then
connect the tail pieces to the boiler using the gaskets provided. If required, install the fl ow restrictor in the supply as
shown in Figure 9.4.
The relief valve is installed using the union connection on top of the boiler as shown in Figure 9.3. Route the relief
valve discharge to a safe location as described on Page 36.
Figure 9.2: Circulator Performance Curve (Adjusted For Pressure Drop Through
Boiler)
Figure 9.3: Relief Valve Installation