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Weil-McLain SGO SERIES 4 OIL-FIRED STEAM BOILER SGO-7 Residential Boilers

User Manual - Page 17

For SGO SERIES 4 OIL-FIRED STEAM BOILER SGO-7.

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SGO SERIES 4 OIL-FIRED STEAM BOILER SGO-7 photo
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Figure฀7 Control tapping
locations
(for use with
Table 3, page 16)
U3
Front฀Section
A1 A2S1
L
P
B1
H
S2
E2
E1
Back฀Section
R U1
U2
A3
B2
Figure฀8 Steam boiler controls with float-type LWCO (optional tankless heater
control)
Figure฀9 Steam boiler controls with probe-type LWCO (optional tankless heater
control)
Siphon
SGO-3 to SGO-5
tankless heater
control
SGO-6 to SGO-9
tankless heater
control
Steam pressure
Steam pressure
Probe-type
low water
cutoff
Gauge glass
and cocks
Drain valve
Part number 550-142-330/0421
17
SGO
OIL-FIRED NATURAL DRAFT STEAM BOILER — SERIES 4 — Boiler Manual
SERVICE฀TECHNICIAN฀ONLY฀—฀read฀and฀follow฀completely.
Install boiler –
Semi-packaged and Knocked-down boilers only (continued)
SGO 3-5 tankless
heater control
location
SGO 6-9 tankless
heater control
location
Float-type low
water cutoff
Steam pressure
control
Steam pressure
gauge
Gauge glass
and cocks
Drain valve
Siphon
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