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Nevada · Boilers

The boiler inspection rules in force in Nevada now.

NRS 455C and NAC 455C; ASME BPVC 2021 (Sections I, IV, VIII Div. 1) and NBIC 2019 per R034-21 amending NAC 455C.108 (codified web text still shows BPVC 2019). Enforced by Nevada Division of Industrial Relations, Mechanical Compliance Section; initial inspection by an MCS inspector, later inspections by MCS or insurer/inspection-agency special inspectors. Verified on the primary source, re-checked weekly.

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Boilers in Nevada

Verified on the source
In force

NRS 455C and NAC 455C; ASME BPVC 2021 (Sections I, IV, VIII Div. 1) and NBIC 2019 per R034-21 amending NAC 455C.108 (codified web text still shows BPVC 2019)

NAC 455C.156 certificate inspections: power boilers internal yearly plus external about 6 months later; low-pressure steam heating yearly; hot-water heating/supply every 2 years; unfired pressure vessels every 4 years. R034-21 added a lockable electrical disconnect requirement.

Source: primary document

Who enforces it

Nevada Division of Industrial Relations, Mechanical Compliance Section; initial inspection by an MCS inspector, later inspections by MCS or insurer/inspection-agency special inspectors

Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.

What changes next

In force

In force; R012-25 brazed-plate heat-exchanger exemptions effective Oct 29, 2025; MCS public workshop (Executive Order 2026-003) set for Sep 25, 2026 was cancelled, to be rescheduled

The federal layer

There is no federal boiler certificate; the state program below is the whole obligation, with the ASME Boiler and Pressure Vessel Code and the National Board Inspection Code as the referenced standards.

Questions about the boiler inspection rules in Nevada

Which boiler inspection rules apply in Nevada today?

NRS 455C and NAC 455C; ASME BPVC 2021 (Sections I, IV, VIII Div. 1) and NBIC 2019 per R034-21 amending NAC 455C.108 (codified web text still shows BPVC 2019). NAC 455C.156 certificate inspections: power boilers internal yearly plus external about 6 months later; low-pressure steam heating yearly; hot-water heating/supply every 2 years; unfired pressure vessels every 4 years. R034-21 added a lockable electrical disconnect requirement.

Who enforces the boiler inspection rules in Nevada?

Nevada Division of Industrial Relations, Mechanical Compliance Section; initial inspection by an MCS inspector, later inspections by MCS or insurer/inspection-agency special inspectors.

What changes next for the boiler inspection rules in Nevada?

Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.

Other areas in Nevada

Everything in force in Nevada
Fire code2024 International Fire Code (appendices B, C, D, F, H) with Nevada amendments, plus 2024 …Building codeNo general statewide building code for private construction; counties/cities adopt and enf…ElevatorsASME A17.1-2019 (new/altered equipment) and A17.3-2020 for existing equipment, all section…Pools and spasNRS 444.065-444.120 and NAC 444.010-444.546 (Public Bathing Places), adopted by the State …Hotels and lodgingNo state hotel operating permit found; NRS 447 hotel sanitation enforced by the health aut…Workplace safetyNevada State Plan (Nevada OSHA); covers private-sector and state/local government employer…Retrofit and recertificationNRS 477.100-477.170 (1981) fire-safety changes for existing hotels, motels, apartments, co…

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