Weil-McLain Boiler Manual for 88 Series - Essential Parts and Specifications

Page 38

Weil-McLain 88 Water and steam boilers — Series 2 — for Gas, Light Oil, & Gas/Light Oil-Fired Burners

Parts

Item

Description

Part number

 

 

 

1

Front sections (8823)

316-301-210

 

 

 

2

Regular intermediate section (8825)

316-301-212

 

 

 

3

Tankless intermediate section (8826)

316-301-214

 

 

 

4

Back section (8828)

316-301-211

 

 

 

Supply intermediate section (8824) (not shown)

316-301-213

 

 

 

Section replacement kit (includes rope seals, rope adhesive and sealant for one joint)

386-300-213

 

 

 

5

Burner mounting plate

Order for specific burner

 

 

 

6 & 13

Sealing rope — ½" (13 feet per joint, 7 feet for burner plate, 6 feet for flue collar)

590-735-140

 

 

 

7

Tankless heater, when used, number 820

590-291-909

 

 

 

8

Heater gasket

590-317-579

 

 

 

9

Heater cover plate

450-030-934

 

 

 

10

Draw rod 5/8"-11UNC-2A x 13" (apply to front and rear sections)

560-134-505

 

 

 

11

Draw rod 5/8"-11UNC-2A x 11" (apply between intermediate sections)

560-134-495

12Draft hood collar assembly

(includes damper collar, damper, damper quadrant, locking plate, swivel, brackets and rope)

 

a.

10-inch — 488 through 688

.

. .

.

.

. .

340-004-606

 

b.

12-inch — 788 and 888

.

. .

.

. . .

340-004-607

 

c.

14-inch — 988 through 1388

 

 

 

 

 

340-004-608

 

d.

16-inch — 1488 through 1688

.

. .

.

.

. .

340-004-609

 

e.

18-inch — 1788 and 1888

.

. . .

.

 

. . .

340-004-612

 

f.

Quadrant for flue collar

 

 

 

 

 

330-056-634

 

g.

Damper blade

.

460-003-646

 

h.

Damper locking plate

 

 

 

 

 

563-530-784

 

 

 

 

 

 

 

 

 

14

Cleanout plate

 

 

 

 

 

 

450-030-965

 

 

 

 

 

 

 

 

15

Woven fiberglass gasket for cleanout plate

 

 

 

 

 

590-317-305

 

 

 

 

 

 

 

 

16 & 18

Observation port assembly (includes frame, rope, gasket, plugs and sight glass)

 

 

 

 

 

 

 

a.

Assembly

 

 

 

 

 

383-600-099

 

b.

Sight glass only

 

 

 

 

 

591-419-199

 

c.

Washer gasket for sight glass (2Z\, x 1Z\v x Z\, inches)

590-317-580

 

 

 

 

 

 

 

 

17

Sealing rope, C\," (1 foot per observation port)

 

 

 

 

 

590-317-150

 

 

 

 

 

 

 

 

19

Burner mounting plate studs (½ x 3½ inches)

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

 

20

Cleanout plate nut, ¼"

 

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

 

21

Cap screw, ½–13 x ¾"

 

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

22

Observation port screw, 10–32 x 1½"

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

23

Flue collar cap screw, ½" x 1½"

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

 

24

Flue collar washer, ZZ\zn"

 

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

25

Burner mounting plate washer, ½"

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

 

26

Burner mounting plate nut, ½"

 

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

 

27

Draw rod nut, B\,"

 

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

 

28

Cleanout plate washer, ¼"

 

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

29

Cleanout plate carriage bolt, ¼" x 1¾"

 

 

 

 

 

Obtain locally

 

 

 

 

 

 

 

 

30

HXT-bars (see Figure 12, page 12, for installation and placement details for HXT-bars)

 

 

 

 

 

 

 

d.

3-flueway kit (includes 3 sets of bars)

 

 

 

 

 

416-400-130

 

e.

2-flueway kit (includes 2 sets of bars)

 

 

 

 

 

416-400-131

 

 

 

Not shown

Combustion chamber liner kit (optional) — includes ceramic fiber blanket for left side wall plus water glass adhesive — see

Contact local Weil-McLain

 

page 33. Consult your local Weil-McLain sales office for details.

 

 

 

 

 

sales office

 

 

 

 

 

 

 

 

 

38

 

 

 

 

 

 

 

Part No. 550-100-068/0308

Image 38
Contents Boiler Manual Read before proceeding Read before proceedingHazard Definitions Contents Before selecting boiler location Before installing boilerInstallation must comply with Provide clearance around boilerCombustion air openings to inside Required volume of interior spacesCombustion and ventilation air openings Combustion air openings to outsideLouvers, Grilles, and Screens Engineered InstallationsCombustion air combination indoor and outdoor openings Mechanical Combustion Air SupplyFor packaged boiler For block assemblySet boiler in place Assembling the block Prepare and position back sectionInstall intermediate sections If using tankless heater TI sectionsNumber Boiler modelSection arrangement Steam boiler Between 45 and 55 psig Perform hydrostatic pressure testPrepare boiler and test Insert HXT-bars Complete block assemblyInstall burner mounting plate on front section Install cleanout plates Install draft hood collarGeneral water piping information Install pipingConnect water boiler piping Piping multiple boilers By-pass circulator sizingConnect steam boiler piping General steam piping informationMinimum height of header above water line must be 24 inches Steam boiler piping guidelinesDrawing legend & notes Hartford loop piping for all steam boilersModel 1288 through 1888 steam 3 or 4 risers required Multiple Steam Boiler Piping Gravity Condensate Return Install support brackets/channels Install jacketBefore installing jacket Remove jacket parts from cartonsInstall jacket Install jacket top panels Install jacket front and back panelsInstall jacket side panels Install jacket trimJacket side panel placement Jacket top panel placement Hot water can scald Pipe tankless heatersTo pipe tankless heaters Install water boiler controls Install controlsInstall steam boiler controls Steam control locationsSteam control siphon and fittings Select type of venting system Connect breeching and venting systemsGeneral venting information Construct metal breechingStub vent forced draft single boiler Install burner & wiring and fill system Gas piping Install fuel pipingFuel oil piping Flue gas temperature no lower than 330F Make final adjustmentsAdjust burner and damper assembly Skim steam boilersRemoval of Front Plate or Cleanout Plate Materials Handling ceramic fiber and fiberglass materialsRatings =B=RModel Supply & return tappings Burner lengths Dimension F DimensionsDimensions inches Model 1788 1888Dimensions see lettered dimensions on opposite Parts Description Part numberParts Warranty Weil-McLain Limited Warranties

88 specifications

The Weil-McLain 88 series is a commercial cast iron boiler recognized for its durability, efficiency, and versatile design, making it a preferred choice for various heating applications. Designed primarily for commercial and industrial use, the Weil-McLain 88 combines advanced technology with proven engineering principles to deliver reliable performance and long-lasting service.

One of the standout features of the Weil-McLain 88 is its cast iron construction. Cast iron is renowned for its ability to retain heat, resulting in lower fuel consumption and more consistent heating. This robust material ensures that the boiler can withstand high temperatures and pressures, making it suitable for heavy-duty applications. The sectional design of the boiler allows for easy installation and maintenance, enabling quick access to components and minimizing downtime.

In terms of efficiency, the Weil-McLain 88 is designed to achieve high thermal efficiency ratings. The boiler employs a flue gas recirculation system, which significantly reduces heat loss and maximizes energy utilization. Additionally, its low water content provides rapid heating response times, ensuring that spaces are heated promptly, even during peak demand periods.

Another noteworthy characteristic of the Weil-McLain 88 is its versatility. The boiler can be configured for a variety of applications, including hot water heating, hydronic heating systems, and steam heating. It is compatible with multiple fuel types, including natural gas, propane, and various oil options, allowing for flexibility in fuel choice based on availability and pricing.

The Weil-McLain 88 also incorporates advanced control technologies that enhance operational efficiency. The integrated electronic controls feature diagnostic capabilities to streamline troubleshooting and maintenance, ensuring optimal performance throughout the boiler’s lifespan. Moreover, the boiler's design is compatible with modern building management systems, allowing for seamless integration into existing heating setups.

Overall, the Weil-McLain 88 series stands out for its combination of quality construction, efficient operation, and adaptability to different heating needs. Whether for a commercial building, industrial facility, or institutional application, the Weil-McLain 88 provides a reliable and efficient heating solution that meets the demands of the modern world.