Weil-McLain 94 COMMERCIAL GAS OIL BOILER H-1594 Boiler Manual

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Weil-McLain 94 Series 3 Water and steam boilers — for Gas, Light Oil, & Gas/Light Oil-Fired Burners

18 Part No. 550-110-275/1018

Connect steam boiler piping

(continued)

Figure 23 Model 2194 through 2594 steam (2 10-inch risers required)

Drawing legend & notes

(Figure 21 through Figure 24)

1 Riser pipes (one for each supply outlet)

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

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

4 Equalizer elbow — full size or reducing

5 Equalizer pipe

6 Close nipple at Hartford loop tee to reduce water hammer potential

7 Condensate return line (gravity or pumped)

8 Pipe to provide 4 inches between water line and top of Hartford loop return nipple

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

10 Minimum 24 inches between water line and bottom of header

11 Offset tee

Pipe Dimensions

Model Riser A Riser B Header H Equalizer J

2194-2594 10" 10" 12" 4"

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Weil-McLain 94 COMMERCIAL GAS OIL BOILER H-1594 Water & steam boilers