Weil-McLain EGH-105 Control Supplement page 3

Carton guide
Table 1 Boiler cartons
Verify that the correct cartons are available before beginning assembly. Note that the Base assembly and Trim &
controls cartons for CSD-1 are special. The CSD-1 ignition control panel (in Base assembly carton) consists of ignition
control module, impulse relay and lighted push-button switch mounted and wired on a panel base.
Carton
Section assembly (a)
Base assembly (b)
Base panels
Jacket
Collector hood
Draft hood
Float low water cutoff (steam)
Vent damper (optional) (c)
Tankless heater (optional)
Trim & controls (see below)
Note a — CSD-1 water boilers cannot be equipped with a tankless heater.
Note b — Base assembly includes burner tubes, gas train components, pilot assembly and control panel (with ignition control).
Note c — EGH vent dampers meet ASME CSD-1 requirements (paragraph CF-210(c)) because they comply with ANSI Z21.13.
Steam trim and control carton
Gravity return
Pressure limit control, automatic reset
Pressure limit control, manual reset
Probe low water cutoff, manual reset
Transformer/relay
Wire harness, steam gravity return
Crimp spade wire terminations
ASME Relief valve
Pressure gauge
Gauge glass and valves
Brass cross, brass nipple, bushings (3) and
siphons (3) for mounting pressure controls
and gauge
Part Number 550-110-677/0299
CSD-1 control system — Natural gas
Comments
With tankless opening
Without tankless opening
CSD-1
Gravity return (M&M #67W-1)
Pumped return (M&M #42-A)
Steam boilers only
Water, CSD-1 — or —
Steam, CSD-1, gravity return — or —
Steam, CSD-1, pumped return
Steam trim and control carton
Pumped return
Pressure limit control, automatic reset
Pressure limit control, manual reset
Probe low water cutoff, manual reset
Transformer/relay
Wire harness, steam pumped return
Crimp spade wire terminations
ASME Relief valve
Pressure gauge
Gauge glass and valves
Brass cross, brass nipple, bushings (3)
and siphons (3) for mounting pressure
controls and gauge
EGH-105 EGH-115
321-711-120 321-711-130
321-711-125 321-711-135
381-700-400 381-700-402
381-700-250 381-700-255
411-800-280 411-800-290
450-014-752 450-014-753
450-206-242 450-206-243
381-700-341 381-700-341
511-114-531 511-114-531
381-800-446 381-800-447
386-700-350 386-700-350
381-700-406 381-700-406
381-700-408 381-700-408
381-700-410 381-700-410
Water trim carton
Aquastat, automatic reset
Aquastat, manual reset
Probe low water cutoff, manual reset
Transformer/relay
Wire harness, water
Crimp spade wire terminations
ASME Relief valve
Pressure/temperature gauge
EGH-125
321-711-140
321-711-145
381-700-404
381-700-260
411-800-300
450-014-754
450-206-244
381-700-341
511-114-531
381-800-447
386-700-350
381-700-406
381-700-408
381-700-410
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