Weil-McLain 550-141-827/1201 manual Parts List, Description

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Parts List

Repair parts must be purchased through Weil-McLain for the specific boiler as indicated in the list below. Results from using modified or other manufactured parts will not be covered by warranty and may damage boiler or impair operation.

Fig.

 

W-M Sales

No.

Description

Part Number

A

Wide Front Section (7011)

316-700-245

B

Regular Intermediate Section (7015)

316-700-065

C

Intermediate Section w/Draw Rod Lugs (7016)

316-700-070

D

Back Section w/7" Flue, Supply & 2" Return (7017)

316-700-265

E

Section Replacement Kit (For 1 Joint, includes Seals, Rope,Adhesive and

386-700-852

 

Collector Hood Hardware) Front or Back Section

 

 

Section Replacement Kit (For 2 Joints, includes Seals, Rope and Adhesive) Intermediate Section

386-700-851

 

Section Assembly Complete, For SGO-3W

386-700-665

 

Section Assembly Complete, For SGO-4W

386-700-666

 

Section Assembly Complete, For SGO-5W

386-700-667

 

Section Assembly Complete, For SGO-6W

386-700-668

 

Section Assembly Complete, For SGO-7W

386-700-669

 

Section Assembly Complete, For SGO-8W

386-700-670

 

Section Assembly Complete, For SGO-9W

386-700-671

F

Collector Hood Kit For SGO-3W*

386-700-340

F

Collector Hood Kit For SGO-4W*

386-700-341

F

Collector Hood Kit For SGO-5W*

386-700-342

F

Collector Hood Kit For SGO-6W*

386-700-343

F

Collector Hood Kit For SGO-7W*

450-020-182

F

Collector Hood Kit For SGO-8W*

450-020-184

F

Collector Hood Kit For SGO-9W*

450-020-186

G

Tie Rod 1/2 x 51/2 (SGO-7, 8, 9W)

560-234-464

G

Tie Rod 1/2 x 103/4 (SGO-2 & 7W)

560-234-491

G

Tie Rod 1/2 x 121/4 (SGO-3W)

560-234-493

G

Tie Rod 1/2 x 133/8 (SGO-7 & 8W)

560-234-494

G

Tie Rod 1/2 x 14 (SGO-8 &9W)

560-234-470

G

Tie Rod 1/2 x 15 (SGO-9W)

560-234-495

G

Tie Rod 1/2 x 153/8 (SGO-4W)

560-234-532

G

Tie Rod 1/2 x 161/2 (SGO-9W)

560-234-496

G

Tie Rod 1/2 x 181/2 (SGO-5W)

560-234-475

G

Tie Rod 1/2 x 215/8 (SGO-6W)

560-234-536

G

Tie Rod 1/2 x 243/4 (SGO-7W)

560-234-540

G

Tie Rod 1/2 x 28 (SGO-8W)

560-234-544

G

Tie Rod 1/2 x 31 (SGO-9W)

560-234-546

H

Heater Cover Plate Carton (Cover Plate, Gasket, Studs & Nuts)

389-900-103

J

Combustion Chamber Kit (Rear & Frt. Ref., Door Refractory Blanket, Rope, Blanket & Water Glass)

386-700-355

 

Burner Mounting Door Assembly (Door, Obs. Port, Rope, Ins. & Pins)

386-700-358

K

Burner Mounting Door (7070)

330-054-302

L

Door Hinge (7054)

330-054-300

M

Door Refractory

386-700-359

N

Door Refractory Blanket

591-222-115

P

Observation Port Shutter

460-039-867

Q

Door Seal Rope 5'

590-735-105

R

3/8" Glass Rope For Collector Hood (7' For Largest Size Hood)

590-735-109

S

Flue Cap Assembly (Cap, Strap, Rope & Screws)

386-700-344

 

Flue Brush (123D)

591-706-214

 

 

 

*Includes flue cap assembly, rope and hardware for installation.

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Contents This Manual Includes Installation Start-Up Boiler Parts Symbol Definitions When Calling or Writing About the BoilerRead This Page First Hazard DefinitionsTable of Contents Before Installing Boiler Installations must comply withBefore selecting boiler location Provide clearances around boiler see FigureDo not install exhaust fan in boiler room Provide air for combustion and ventilationLay a foundation, if needed Boiler Foundation Size TableInstall Non-Packaged Boiler Fiberglass wool and ceramic fiber materialsPlace boiler Tankless heater, if used Perform hydrostatic pressure testInstall jacket sizes 7 through 9 only Install boiler controlsControl Tapping Table Install burner also refer to instructions packed with burner Connect Breeching General chimney requirementsMinimum Chimney Size Table Connect Breeching Install piping Connect Water PipingGeneral piping information Diaphragm expansion tank FigureExpansion Tank Piping Multiple Zones Zoning with circulatorsZoning with zone valves Connect Water Piping Connect Tankless Heater Piping Use with refrigeration systemsHot Water Can Scald To pipe tankless heater Tankless Heater Ratings TableConnect Wiring General wiring requirementsThermostat wiring Burner wiringConnect Wiring Connect Oil Piping General oil piping requirementsOil piping connection at burner Start-Up Fill the systemTips for water systems To place in operationCheck-Out Procedure Check off steps as completedBurner adjustments for a boilers AppendixParts List DescriptionParts Drawing Dimensions DimensionsIntermediate Ratings SGO-W Gold OIL Water Boiler Ratings

SGO-W SERIES 3 OIL-FIRED NATURAL DRAFT WATER BOILER, 550-141-827/1201 specifications

The Weil-McLain SGO-W Series 3 Oil-Fired Natural Draft Water Boiler is a robust and efficient solution designed for residential heating needs. This boiler stands out for its exceptional construction and advanced engineering, ensuring reliability and longevity for homeowners.

One of the core features of the SGO-W Series 3 is its cast iron heat exchanger, which provides excellent thermal efficiency. The boiler is designed to retain heat for extended periods, allowing for reduced energy consumption and lower heating bills. The heavy-duty cast iron sections are built to withstand high pressures and temperatures, ensuring durability in various conditions.

The SGO-W Series 3 is equipped with a natural draft design, allowing it to utilize the natural upwards movement of flue gases. This design eliminates the need for complicated power venting systems, making installation simpler and more cost-effective. It also enhances the boiler's efficiency by promoting better combustion processes in the burner.

Another significant characteristic is its versatile fuel options. The SGO-W Series 3 accommodates No. 2 fuel oil, making it a viable option for users who prefer or require oil heating. This versatility is crucial for homeowners in areas where natural gas is not available or preferred.

The boiler operates at a high efficiency rate, contributing to lower emissions and compliance with environmental standards. Its energy-efficient design not only benefits the environment but also allows for significant savings over time. The unit is also equipped with a reliable and easily adjustable fuel burner, providing flexibility in managing heating output to suit various residential heating demands.

For safety and convenience, the Weil-McLain SGO-W Series 3 features an electronic ignition system that ensures reliable starting and operation, even in adverse weather conditions. Additionally, the boiler is designed for easy serviceability, with accessible components allowing for quick maintenance and repairs, ensuring that homeowners can rely on continual performance and minimal downtime.

In summary, the Weil-McLain SGO-W Series 3 Oil-Fired Natural Draft Water Boiler is a powerful and efficient heating solution, combining advanced technologies with robust construction. Its cast iron heat exchanger, natural draft design, fuel flexibility, high efficiency, and convenient features make it an excellent choice for residential heating applications, supporting homeowners' comfort and reducing energy costs.