Weil-McLain manual Model 1288 through 1888 steam 3 or 4 risers required

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

Connect steam boiler piping (continued)

Figure 25 Model 1288 through 1888 steam (3 or 4 risers required)

Drawing legend & notes

(Figure 23 through Figure 26)

1Riser pipes (one for each supply intermediate section)

2Horizontal pipes needed to offset the header to allow for expansion and contraction of the header

3Steam supply must be located between last riser connection and equalizer elbow

4Equalizer elbow — full size or reducing

5Equalizer pipe

6Close nipple at Hartford loop tee to reduce water hammer potential

7Condensate return line (gravity or pumped)

8Minimum 4 inches between water line and top of Hartford loop return nipple

9Boiler water line — all automatic water level controls must be set to maintain this level

10Minimum 24 inches between water line and bottom of header

18	Part No. 550-100-068/0308

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Contents Boiler Manual Read before proceeding Hazard DefinitionsRead before proceeding 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 block assembly Set boiler in placeFor packaged boiler Assembling the block Prepare and position back sectionInstall intermediate sections If using tankless heater TI sectionsBoiler model Section arrangementNumber Perform hydrostatic pressure test Prepare boiler and testSteam boiler Between 45 and 55 psig Complete block assembly Install burner mounting plate on front sectionInsert HXT-bars Install cleanout plates Install draft hood collarInstall piping Connect water boiler pipingGeneral water piping information 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 Pipe tankless heaters To pipe tankless heatersHot water can scald 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 Install fuel piping Fuel oil pipingGas 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.