Connect steam boiler piping – Weil-McLain 88 User Manual

Page 18

Weil-McLain 88 Water and steam boilers — Series 2 —

for Gas, Light Oil, & Gas/Light Oil-Fired Burners

Part No. 550-100-068/1009

Connect steam boiler piping

(continued)

Drawing legend & notes

(Figure 23 through Figure 26)

Riser pipes (one for each supply intermediate section)

Horizontal pipes needed to offset the header to allow for expansion and contraction of the header

Steam supply must be located between last riser connection and equalizer elbow

Equalizer elbow — full size or reducing

Equalizer pipe

Close nipple at Hartford loop tee to reduce water hammer potential

Condensate return line (gravity or pumped)

Minimum 4 inches between water line and top of Hartford loop return nipple

Boiler water line — all automatic water level controls must be set to maintain this level

Minimum 24 inches between water line and bottom of header