UL 307B

For UL 307B, laboratory is UL LLC; standard title is Gas Burning Heating Appliances for Manufactured Homes and Recreational Vehicles, verified against its source on 2026-08-10.

Laboratory: UL LLC verified
Standard number: UL 307B verified
Standard title: Gas Burning Heating Appliances for Manufactured Homes and Recreational Vehicles verified

Sourceosha.gov

Verified2026-08-10

Review by2026-12-08

DatasetWhich OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced

What the source says

UL 307B | Gas Burning Heating Appliances for Manufactured Homes and Recreational Vehicles |

— osha.gov, retrieved 2026-08-10

Source

osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/ul

Last verified against source: 2026-08-10. Due for re-check by 2026-12-08. This page as Markdown · OKF bundle · full dataset as JSON.