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Click
on a Diagram Number For Details and to Order Online
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PIPING
ASS'Y - SIDE VIEW
BOILER/BURNER
PRESSURE CONTROL PIPING
| MATERIAL
LIST |
| ITEM |
DESCRIPTI0N |
QT'Y. |
| 4A |
PRESSURETROL,
NO. L404A-1396, HONEYWELL |
1 |
| 4B |
PRESSURETROL,
NO. L404C-1162, (MAN. RESET) HONEYWELL |
1 |
| 4C |
PRESSURETROL,
NO. L91B-1050, HONEYWELL |
1 |
| 4D |
PRESSURE
GAUGE, 1/4" BTM. MT |
1 |
| 4E |
GAUGE
COCK, 1/4", FEMALE X FEMALE, U.B., #973 |
1 |
| 4F |
STEAM
SYPHON, 1/4", 300 LB., BLK., THD. X THD., M.I. |
4 |
|
NOTE:
This is typical for a boiler using a burner with a mode of operation:
fully modulating at an operating pressure of above 15 PSIG up to
140 PSIG only.
| BOILER
BURNER PRESSURE CONTROL PIPING |
|
BOILER
OPERATING PRESSURE |
| BURNER
MODE OF OPERATION |
15PSI. |
150PSI. |
200,
250, 300 PSI. |
| ON/OFF |
L404A-1354 |
L404A-1396 |
L404A-1404 |
| |
L404C-1147
MR. |
L404C-1162
MR. |
L404C-1139
MR. |
| ON/OFF/LFS |
L404A-1354 |
L404A-1396 |
L404A-1404 |
| |
L404C-1147
MR. |
L404C-1162
MR. |
L404C-1139
MR. |
| LOW/HIGH/LOW |
L404A-1354(2) |
L404A-1396(2) |
L404A-1404(2) |
| |
L404C-1147
MR. |
L404C-1162
MR. |
L404C-1139
MR. |
| LOW/HIGH/OFF |
L404A-1354(1) |
L404A-1396(1) |
L404A-1404(1) |
| |
L404C-1147
MR. |
L404C-1162(1) |
L404C-1139
MR. |
| FULL
MODULATING |
L404A-1354 |
L404A-1396 |
L404A-1404 |
| |
L404C-1147
MR. |
L404C-1162
MR. |
L404C-1139
MR. |
| |
L91B-1035 |
L91B-1050 |
L91B-1068 |
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