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PA Boiler Certificate of Operation (Intent to Install, form LIBI-302): Philadelphia restaurant guide

PA Department of Labor & Industry — Boiler Division

What it is

State certificate required to operate most boilers and large water heaters; the installation is reported on form LIBI-302 and the unit is inspected on a set cycle.

When a restaurant needs it

Installing a boiler, or a water heater above the exemption (over 200,000 BTU/hr, over 210°F or over 120 gallons). Smaller standard water heaters are exempt.

How to apply

Submit the LIBI-302 Intent to Install form with payment to the Boiler Division, 651 Boas St., Room 1606, Harrisburg, PA 17121 (717-214-4319); an inspection follows.

Documents you’ll need

Fee
Varies — contact the Boiler Division for the current fee schedule (fees multiply per unit)
Processing time
Varies; inspection scheduled after installation
Renewal
Periodic inspection: hot water supply boilers every 24 months external; cast iron and steel heating boilers every 24 months external (steel internal every 48 months)
Who files
Installer/mechanical contractor files the LIBI-302; the owner holds the certificate.

Good to know

In Philadelphia you also need the L&I mechanical/plumbing permits for the installation and an AMS air permit if the unit is over 250,000 BTU/hr.

Official source

PA L&I — Boilers and unfired pressure vessels

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Last reviewed 2026-10-06. Guidance only, not legal advice.