Bryant 234B User Manual
Inst^llatioiii instructions, Do not, Remove
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Inst^llatioiii Instructions
GAS FIRED WATER OR STEAM BOILER
A. G. A. APPROVED
MODEL
23^
SERIES g
I
39234D3
10/5/64
note
;:
these
[HSTRUCTI ONS
MUSTPE LEFT
ON OR NEAR
THE BOILER.
The Model 234 is a low pressure, sectional, cast
iron water and steam boiler, approved by A.G.A. for
use with natural, manufactured and propane gases.
It is tested for a maximum working pressure of 30
psi on water and 15 psi on steam in accordance with
A.3.M.E. standards for cast iron boilers*
The boiler is available as a Type GW - Gravity,
Type PW - Circulation Pump, Type CW - Coil Circu
lation Pump, and Type S - Steam. All boilers are
factory assembled.
Install in compliance with requirements of local
utility or other agency having jurisdiction.
DO NOT
remove
!
GAS CONTROL OPTIONS
Control Type
Gas Type Boiler Type
Control Components
D2
100% shutoff
24 volt
. Thermti'i:oupl'e'"P'ii'o''t
Propane
PWSiE
100% pilot shutoff valve
Thermocouple pilot
Trans fonner
Biyaiit ■disp'hT'SgÉK ■■■ '
gas valve
D4
Non 100% shutoff
24 volt
Bryant pilot
Nat&Mfd
PW, GW,
cw&s
Bryant automatic pilot
Bryant diaphragm
gas valve
Gas pressure regulator
Transformer
D5
100% shutoff
24 volt
Thermocouple pilot
NataaMfd
PW, GW
CWQ
l
S
100% pilot shutoff valve
Thermocouple pilot
Transformer
Bryant diaphragm
gas valve
D6
100% shutoff
Millivolt
Thermocouple pilot
Nat&Mfd
GW&S
Salf-'geh orating
thermocouple pilot
Diaphragm gas valve
Gas pressure regulator