OSB 2 SERIES - Page 25

OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual
Part Number 550-110-772/0816 25
Figure 17 Trim and controls
11 Replacement parts continued
Item
number
Description Manufacturer Manufacturer’s
Part number
Part number
1
Pressure safety valve, ASME, 30 PSIG, ¾ NPT
(Fittings shown are inncluded --- Ell ¾ NPT, Nipple ¾ NPT
Conbraco
Watts
13-511-08
315
511-548-023WT
511-548-023WT
2
Low Water Cutoff, probe type
McDonnell & Miller
Hydrolevel
PS-801-120
45-450
511-114-507WT
511-114-507WT
3
Limit control/gauge assembly, includes:
High limit pressure control
Guage pressure 2-½” Dia.
Siphon, ¼ NPT, 180° Brass
Nipple, close ¼ NPT
Tee, ¼ NPT
Elbow ¼ NPT
Honeywell Inc.
Ametek
PA404A1009
P505K
510-312-135WT
510-218-045WT
560-640-698WT
561-326-245WT
561-541-200WT
561-115-335WT
4
Gauge glass assembly, includes:
Guage water glass
Guage glass guards, 10.62”
Guage cock set, Brass Conbraco B15
Standard Stem
591-419-194WT
563-334-597WT
510-218-135WT
5 Drain valve, ¾ NPT, 1-½ Shank
, Standard
511-210-423WT
511-246-392WT
6 Tankless temperature control (optional )
10° differential; with ¾ well
Honeywell Inc. L4080B1311 510-312-209WT
not shown
Burner harness 591-391-966WT
not shown
Pressure control LWCO harness 591-391-912WT
not shown
Balanced draft damper (barometric) Efkal
Fields Control
ESOC-7
02723101
510-512-267WT
510-512-267WT