Part number 550-141-825/1211
38
GOLD
WTGO
OIL-FIRED NATURAL DRAFT WATER BOILER — SERIES 3 — Boiler Manual
SERVICE TECHNICIAN ONLY — read and follow completely.
Table 9 Series 3 trim parts
Replacement parts (continued)
Fig.
No.
Part no. Description Mfr. Mfr. part no.
1 380-000-000
Combination pressure-temperature gauge kit, 60° – 360° F., 0 - 75
psi, 3" dia., ¼" NPT, short shank, with ¼" x ½" reducing bushing
Weil-McLain
2 511-546-920
ASME pressure relief valve, set to relieve at 30 PSIG, ¾" male inlet,
¾" female outlet
Conbraco M330
3 381-300-000
Electronic aquastat, high limit or combination high/low limit, with
LWCO, high limit 100°– 220°, low limit 110°- 200°, circulator amps:
5.8 FLA, anticipator: 0.2 amps
Hydrolevel 3250
4
511-210-423 Drain cock, ¾", 1½" shank Conbraco 31-606-01
511-246-392
Drain cock, ¾" Hammond 710
Drain cock, ¾" Watts BD2C
Drain cock, ¾" Matco-Norca
Drain cock, ¾" Nibco #74
5 511-405-113 Circulator, 1/25 HP, 120/60/1 motor, 175 RPM, 0.75 amps Taco W007F
6
381-354-526
Circulator universal hardware kit 1¼" (Includes: (1) Flange, (1)
Gasket, (2) Screws and (2) nuts) for sizes 2, 3 & 4 only
Weil-McLain
381-354-531
Circulator universal hardware kit 1½" (Includes: (1) Flange, (1)
Gasket, (2) Screws and (2) nuts) for sizes 5 & 6 only
Weil-McLain
7 592-300-027 ¾" NPT well, 6.25" long, extended shank type Hydrolevel
8 591-391-846 Junction box - wiring harness assembly (series 1 A & B only) Weil-McLain
9 591-391-856 Junction box - wiring harness assembly (series 1 only - large pump) Weil-McLain
10 591-391-836 Junction box - wiring harness assembly (series 2 & 3 packaged only) Weil-McLain
11 591-391-837
(Not shown) Junction box - wiring harness assembly (series 2 & 3 A
& B only)
Weil-McLain
12 591-391-854 Junction box cover assembly with service switch Weil-McLain
13 591-391-850 Burner harness assembly Weil-McLain
14 510-512-267 Barometric damper Weil-McLain
15 426-700-268 (Not shown) Flue pipe brackets (set of 2)
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