Hurst Boiler has been designated as an Essential Provider and available 24/7 during these difficult times.

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Flexible burner systems are available for firing natural gas, LP gas, #2-6 oil or combinations.
PIPING ASS'Y - SIDE VIEW
(NOTE: 150 PSI. STEAM BOILER ONLY WITH BURNER MODE OF OPERATION, FULL-MOD.)

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., 0-300 PSI, 6" DIAL

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

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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