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Weil-McLain
500 Blaine Street
Michigan City, IN 46360-2388
http://www.weil-mclain.com
C-822R1(0803)
Page 2 of 4
2. Water boiler(s) maximum allowable working pressure will be 50 PSIG. Steam boiler(s)
maximum allowable working pressure will be 15 PSIG.
J. Regulatory requirements:
1. Boiler(s) and controls shall comply with applicable regulations.
K. Submittals
1. Submit shop drawings and product data.
2. Submittal packet to include boiler descriptive literature, installation instructions, operating
instructions, and maintenance instructions.
II. Product
A. Acceptable boiler manufacturer(s) include(s):
1. Weil-McLain only, as specified in Part 1, Paragraph C.
2. Other manufacturer or other Weil-McLain boiler(s) must comply with specifying engineer’s
requirements, including:
• Full intent of these specifications, and
• Provide complete submittal including literature, wiring diagrams, fuel piping diagrams,
and a list of similar installations.
• Submittals to be presented to specifying engineer at least seven working days for
approval before bid opening. Substitutions are not permitted after contract is
awarded.
B. Boiler construction
1. Boiler sections
• Factory assembled in one block with tie rods and sealed with high temperature
sealant to assure a permanent gas-tight seal.
• Rear section shall encompass a recessed target wall to protect the combustion
chamber from flue brush damage.
• Sealed watertight by elastomer sealing rings, not cast iron nipples. Each port opening
shall be machined to completely capture sealing ring between sections in order to
assure uniform compression of the sealing rings and to protect the sealing rings from
contaminants.
• Provided with sufficient tappings to install required controls.
• Boiler(s)
• Provided with cast-in air elimination to separate air from circulating water.