Class code 3175: Boiler Mfg. Cast Iron for Heating Purposes
Class 3175 is the NCCI workers' comp code for “Boiler Mfg. Cast Iron for Heating Purposes”.
The facts
- Official wording (NCCI)
- Boiler Mfg. Cast Iron for Heating Purposes
- Industry group (our dictionary)
- Metal Working & Foundry
- Hazard group
- Not listed in our dictionary
- State codes that differ
- None in our dictionary
- Line
- Workers' comp
What it means
Class 3175 is the code carriers use to rate workers' comp payroll for this kind of work.
Who writes class 3175, state by state
From our live eligibility engine, refreshed every day (page updated November 1, 2026). It shows who has appetite, not a price. The final decision is always the carrier's underwriter.
Instant quote available 46
By email or underwriter only 1
No market listed yet 0
State fund only 4
North Dakota (North Dakota Workforce Safety & Insurance) · Ohio (Ohio Bureau of Workers' Compensation) · Washington (Washington Department of Labor & Industries) · Wyoming (Wyoming Department of Workforce Services)
Carriers with appetite for class 3175
- Employers · 45 states · instant quote
- AmTrust · 43 states · instant quote
- CopperPoint · 19 states · instant quote
- Travelers · 8 states · instant quote
- Chubb · 47 states
- PIE- Sirius America Insurance Company · 47 states
- V3- National Liability & Fire Insurance Company · 47 states
- Omaha National · 28 states
- ICW Group · 22 states
- Accident Fund Insurance Company Of America · 5 states
- Amerisafe · 5 states
What does class code 3175 cover?
Class 3175 is the NCCI workers' comp code for “Boiler Mfg. Cast Iron for Heating Purposes”. Carriers use it to rate the payroll of people doing this kind of work.
Who writes class code 3175 workers' comp?
In our live appetite data (updated November 1, 2026), 11 carriers have appetite for class 3175 in at least one state, and 4 of them quote it instantly. An instant quote is available in 46 states. The final decision is always the carrier's underwriter.
Does every state use class code 3175?
Our dictionary lists no different code for California, Delaware, Michigan, New Jersey, New York, Pennsylvania or Texas. North Dakota, Ohio, Washington and Wyoming write workers' comp through the state fund.