Weil-McLain 88 manual Before installing boiler, Installation must comply with

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

Before installing boiler

Installation must comply with —

1.State, provincial and local plumbing, heating and electrical codes.

2.Regulations of servicing utilities.

3.ASME Section IV, Low Pressure Boiler and Pressure Vessel Code.

4.National Fuel Gas Code, ANSI/NFPA 54, when applicable.

5.National codes where applicable.

Before selecting boiler location

1.Check for nearby connections to:

a.Fuel supply.

b.Electrical power.

c.System water or steam piping.

d.Venting systems - see page 29.

e.Combustion and ventilation air supply — see page 5.

2.Check area around boiler. Remove any combustible materials, gasoline and other flammable vapors and liquids.

Failure to keep boiler area clear and free of combustible materials, gasoline and other flammable liquids and vapors can result in severe personal injury, death and substantial property damage.

Provide clearance around boiler

1.Provide minimum clearances to combustible materials:

•Boiler top — 24 inches.

•Boiler front — 48 inches.

•Boiler flue — 9 inches.

•Boiler rear — 9 inches.

•Boiler sides — 6 inches.

•Single-wall vent pipe – 18 inches.

•Double-wall vent pipe – refer to vent pipe manufacturer's recommendations for vent pipe clearances.

2.Boiler may be installed on combustible flooring.

3.See page 36 for boiler dimensions.

Flue pipe/breeching clearances take precedence over jacket clearances.

4.Provide minimum clearances for servicing:

•Left side — for cleaning and tankless heater removal – 39 inches.

•Rear — for breeching — 36 inches.

•Allow sufficient space on remaining sides for cleaning, servicing and burner installation. See burner literature for length and recommended service clearances.

Lay a foundation, if needed

1.Floor construction and condition must be suitable for weight of boiler when filled with water. See page 36 for approximate boiler operating weight.

2.A level concrete or brick foundation, constructed per Figure 1 and Figure 2 is required when:

a.A floor could possibly become flooded.

b.Non-level conditions exist.

4

Figure 1 Boiler foundation, when required

Figure 2 Boiler foundation (see Figure 1)

Boiler model	Length, L, minimum
number	(inches)
488	33
588	41
688	49
788	57
888	65
988	73
1088	81
1188	89
1288	97
1388	105
1488	113
1588	121
1688	129
1788	137
1888	145

Part No. 550-100-068/0308