Install Instructions

4 EH-M2-40 Boiler Operation and Installation Instructions
NO
TES:
1.
Optional blocking gate valve and hose end valve used (with drain valve) for fast fill and purge of system.
IMPORTANT: Close bypass line valve (if used) during purging.
2. Circulator should not be installed at lowest point of piping.
3.
There should be no elbo
ws, tees, or change of pipe size for at least 5 diameters of pipe size (see Table 3) upstream and downstream of flow switch.
Flow switch should always be mounted in the horizontal position. See Table 3.