American Standard / Oakfabco: Asbestos-Containing Boilers and Heating Systems

American Standard and its successor entity Oakfabco have been named defendants in asbestos litigation spanning several decades, with court filings documenting alleged exposures tied to Kewanee-brand boilers and related heating equipment installed in schools, hospitals, and commercial buildings across the United States. Workers who installed, maintained, or repaired these systems — as well as building occupants in some cases — have pursued legal claims alleging asbestos-related injury from equipment manufactured and sold under the American Standard and Kewanee names from the 1940s through the mid-1980s.


Company History

American Standard was founded in 1875 and grew through the twentieth century into one of the largest manufacturers of heating, plumbing, and ventilation equipment in the United States. The company’s heating division produced a broad range of boilers, radiators, and steam heating systems marketed primarily to commercial, institutional, and industrial customers.

Among American Standard’s most recognized product lines in the heating sector was the Kewanee brand, which the company acquired through corporate consolidation and marketed extensively for school and commercial heating applications. Kewanee boilers became widely specified by architects and building engineers from the 1940s onward, and units bearing the Kewanee nameplate were installed in facilities across the country — many of which remained in service well into the 1980s.

Following corporate restructuring, the Kewanee boiler business was separated from the broader American Standard enterprise. Oakfabco, Inc. emerged as the successor entity responsible for the Kewanee product line, and courts have subsequently addressed questions of corporate successor liability in asbestos claims involving these products. According to asbestos litigation records, plaintiffs have named both American Standard and Oakfabco as defendants in cases involving Kewanee boilers, with legal proceedings addressing which entity bears responsibility for injuries allegedly caused by asbestos-containing components in these systems.

American Standard as a broader corporate entity is also known for its plumbing and HVAC products; however, asbestos litigation records specific to the heating division and Kewanee boiler line represent a distinct and substantial body of claims addressed in this article.


Asbestos-Containing Products

According to asbestos litigation records, plaintiffs alleged that American Standard and Kewanee boilers were manufactured, shipped, and installed with asbestos-containing materials as integral components of their design and insulation systems. Court filings document claims involving the following product categories:

Kewanee Boilers (School and Commercial Heating)

Kewanee-brand boilers were marketed specifically for institutional settings, including public and private schools, hospitals, municipal buildings, and large commercial facilities. Plaintiffs alleged that these boilers were insulated at the factory with asbestos-containing materials applied to combustion chambers, steam drums, and external surfaces, and that additional asbestos insulation was routinely applied during field installation by mechanical contractors and insulation tradespeople.

Court filings document claims that Kewanee boiler gaskets, rope seals, and refractory materials used in fireboxes and burner chambers contained asbestos, and that workers performing routine maintenance — including rebricking, gasket replacement, and burner servicing — encountered friable asbestos materials in confined mechanical rooms.

American Standard Cast Iron Sectional Boilers

According to asbestos litigation records, American Standard cast iron sectional boilers were also identified in asbestos claims filed by workers in the heating and plumbing trades. Plaintiffs alleged that these boilers incorporated asbestos-containing gaskets at sectional joints, asbestos rope packing at flue connections, and factory-applied insulation blankets containing asbestos. Cast iron sectional boilers of this type were assembled on-site in sections, a construction method that plaintiffs alleged required cutting, fitting, and handling of asbestos gasket materials during initial installation and subsequent service calls.

American Standard Steam Radiators and Heating Systems

Court filings document claims involving American Standard steam radiator systems installed as part of complete heating plant upgrades in institutional settings. Plaintiffs alleged that pipe covering, boiler insulation, and valve packing associated with these systems contained asbestos, and that maintenance personnel who bled radiators, replaced packing glands, or serviced steam traps were exposed to asbestos-containing materials over the course of their employment.


Occupational Exposure

According to asbestos litigation records, the trades most frequently identified in claims involving American Standard and Kewanee heating equipment include:

Boilermakers — Court filings document claims by boilermakers who installed and repaired Kewanee and American Standard boilers in school and commercial settings, alleging repeated exposure to asbestos-containing gaskets, refractory cement, and insulation materials inside boiler fireboxes and combustion chambers.

Pipefitters and Plumbers — Plaintiffs alleged that pipefitters who connected steam and hydronic distribution systems to American Standard boilers handled asbestos pipe covering and valve packing routinely during installation and service work throughout the 1950s, 1960s, and 1970s.

Insulators — According to asbestos litigation records, insulation workers applied asbestos-containing block insulation, cement, and finishing cloth to Kewanee boiler exteriors during new construction and renovation projects, generating significant airborne asbestos fiber concentrations in mechanical room environments.

Stationary Engineers and Building Maintenance Workers — Court filings document claims by stationary engineers and building custodians employed in schools and hospitals who were responsible for operating and maintaining boiler rooms where Kewanee and American Standard equipment was installed. Plaintiffs alleged that daily proximity to deteriorating asbestos insulation on boilers and associated piping resulted in chronic low-level exposure over working careers spanning decades.

HVAC Technicians — Plaintiffs alleged that heating contractors called in to service or replace American Standard and Kewanee boilers during the 1960s through the 1980s encountered friable, damaged asbestos insulation on aging equipment, exposing service technicians to asbestos fibers during repair and replacement work.

The institutional settings where Kewanee boilers were most commonly installed — particularly schools built between the 1940s and 1970s — are noteworthy because many of these facilities underwent asbestos abatement under AHERA (Asbestos Hazard Emergency Response Act) regulations beginning in the late 1980s, and inspection records from those proceedings have been cited in litigation as documentation of asbestos-containing materials associated with boiler and heating system components.

The mechanical room setting common to boiler work created particular exposure concerns documented in court filings: enclosed spaces with limited ventilation allowed asbestos fibers disturbed during maintenance activities to remain suspended in the air for extended periods, potentially increasing the duration and concentration of worker exposure.


There is currently no asbestos bankruptcy trust fund associated with American Standard or Oakfabco. Unlike manufacturers that resolved asbestos liabilities through Chapter 11 bankruptcy and established Section 524(g) trusts, American Standard and its successor entity Oakfabco have addressed asbestos claims through civil litigation rather than the bankruptcy trust process.

According to asbestos litigation records, both American Standard and Oakfabco have been named as defendants in asbestos personal injury and wrongful death lawsuits in courts across the country. Claims involving Kewanee boilers have been pursued through the civil tort system, and plaintiffs have faced questions of corporate successor liability — specifically, whether Oakfabco, as the entity that assumed the Kewanee product line, bears legal responsibility for injuries allegedly caused by those products.

Because no trust fund exists, individuals with potential claims related to American Standard or Oakfabco products must pursue recovery through the civil litigation process rather than through trust claim submissions.


If you or a family member worked with or around Kewanee boilers, American Standard cast iron sectional boilers, or American Standard steam heating systems — particularly in schools, hospitals, or commercial buildings — and have been diagnosed with mesothelioma, asbestosis, lung cancer, or another asbestos-related disease, the following information is relevant to understanding your options:

  • No trust fund is available for American Standard or Oakfabco claims. Recovery, if any, would come through civil litigation rather than a trust claim submission process.
  • Claims involving these products are complex because they require establishing the connection between a specific diagnosis and documented exposure to asbestos-containing components of American Standard or Kewanee heating equipment.
  • Work history documentation — including union membership records, employer records, Social Security earnings histories, and witness testimony from coworkers — is typically important in building a litigation record for boiler-related asbestos claims.
  • Because Kewanee boilers were widely installed in institutional settings subject to AHERA inspections, building inspection records from schools or other facilities may provide corroborating documentation of asbestos-containing materials associated with boiler systems.
  • Individuals diagnosed with asbestos-related diseases may have claims against multiple defendants, as boiler installations typically involved equipment manufacturers, insulation manufacturers, and installation contractors, each of which may be a potential source of recovery.

Consultation with an attorney experienced in asbestos personal injury litigation is advisable for any individual seeking to evaluate claims potentially involving American Standard or Oakfabco products.