Weil-McLain EGH-105 Control Supplement page 13

EGH-105 to EGH-125 EGH-105 to EGH-125
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125
1 CSD-1 control panel
2 Ignition control
Impulse relay and lighted push-button alarm
3
silencing switch
5 Transformer/relay
6 Junction box
7 Damper (optional)
8 Damper connector
9 Dummy plug
10 Damper harness
11 Main gas valve
12 Manual gas valve
13 Pilot gas valve
13a Pilot gas pressure regulator
Control Supplement
14 Pilot shutoff valve
15 Leak test valves with plugs
16 Gas supply connection
17 Burner manifold
18 Limit control, auto reset
19 Limit control, manual reset
20 Pressure/temperature gauge
21 Wire harness
22 Pilot spark & sense wires
23 Pilot gas tubing
24 Circulator, by others
Probe LWCO, Manual reset (Mount in sup-
25 ply or return piping above top of boiler
between boiler and any isolation valve(s).)
CSD-1 control system — Natural gas