Slant/Fin VSL-160B Installation Instructions Manual page 22

7 - INSTALLATION - Water connections
1 = Boiler
2 = Air separator
3 = Ball valve
4 = Drain cocks
5 = Filling valve
6 = Expansion tank (If needed)
7 = Filter
11 = Relief valve drain
Figure 7-6 Piping of the boiler model 160-C
12 = Gas shut-off valve (Install manual shut-off valve 5 ft
(1.5m) above fl oor).
13 = Ground joint union
14 = Condensate drain (see also Figure 7-8)
16 = System pump
17 = Flow restrictor
18 = Mixing valve
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