What is an FDNY S-17 inspection?

An S-17 inspection verifies that a commercial kitchen wet chemical fire suppression system is functional, compliant, and properly documented.

Are S-17 inspections mandatory in the Bronx?

Yes. FDNY requires S-17 inspections for all commercial kitchens using wet chemical fire suppression systems.

What causes S-17 inspection failures?

Common failures include blocked nozzles, missing tags, expired chemical tanks, improper appliance coverage, and poor documentation.

Can violations be corrected after a failed inspection?

Yes. A licensed contractor can correct deficiencies and prepare the system for FDNY reinspection.

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Fire Suppression Systems Inspection FIRE SUPPRESSION SYSTEMS INSPECTION Bronx

FDNY-Required S-17 Inspections for Commercial Kitchen Wet Chemical Fire Suppression Systems in the Bronx

Master Fire Systems 1776 E. Tremont Avenue, Bronx, NY 10461 NYC fire protection contractors specializing in S-17 wet chemical system inspections, FDNY compliance, restaurant fire suppression, testing, documentation, and violations removal. Serving the Bronx, Manhattan, Brooklyn, Queens & Staten Island. Call (917) 261-3710 for inspection scheduling.

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Every commercial kitchen in the Bronx that uses a wet chemical fire suppression system is required by the FDNY to undergo routine S-17 inspections. These inspections verify that UL-300 compliant systems protecting cooking equipment are fully operational, correctly tagged, properly documented, and ready to activate during a grease fire emergency. At Master Fire Systems, we perform S-17 Wet Chemical Fire Suppression System Inspections for restaurants, delis, food courts, hotels, schools, hospitals, and commissary kitchens throughout the Bronx. Our inspections are conducted by certified technicians who understand FDNY enforcement trends, inspection triggers, and the documentation inspectors expect to see on site. The video below explains how FDNY S-17 inspections work for commercial kitchen wet chemical fire suppression systems in the Bronx. Master Fire Systems walks through what inspectors look for, common violations, documentation requirements, and how to stay compliant with FDNY regulations to avoid fines or shutdowns.

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What is an S-17 inspection?
S-17 is the FDNY inspection requirement for commercial kitchen wet chemical fire suppression systems.
How often is an S-17 inspection required?
Typically semi-annually, or more frequently if required by FDNY or insurance carriers.
Who can perform an S-17 inspection?
A licensed fire suppression contractor registered with FDNY.
What happens if my system fails inspection?
You may receive FDNY violations, fines, or be ordered to shut down cooking operations.
Do hood and duct conditions affect S-17 compliance?
Yes. Grease buildup, blocked nozzles, or altered appliances can all trigger failures.

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Inspection Area	FDNY Requirement	Common Violations	Business Risk
Nozzles & Coverage	Correct placement over all appliances	Blocked, misaligned, missing nozzles	System fails to suppress grease fires
Chemical Tanks	Charged and within service life	Expired or under-pressurized tanks	Automatic failure during activation
Manual Pull Station	Accessible and operational	Blocked or non-functional pulls	Immediate FDNY violation
Documentation & Tags	Current S-17 inspection records	Missing tags or expired reports	Fines or shutdown orders
System Integration	Interlocked with gas/electric shutoff	Disconnected safety interlocks	Escalated enforcement actions

If your Bronx restaurant or commercial kitchen operates with a wet chemical fire suppression system, S-17 inspections are not optional. Master Fire Systems helps Bronx businesses stay open, pass FDNY inspections, and avoid costly shutdowns through accurate inspections and fast corrective service. Schedule your S-17 inspection today at 1776 E. Tremont Avenue, Bronx, NY 10461 or call (917) 261-3710.

Resumen en Español: Los sistemas de supresión química húmeda en cocinas comerciales del Bronx requieren inspecciones S-17 obligatorias por el FDNY. Master Fire Systems ayuda a restaurantes y negocios a cumplir con los requisitos, evitar multas y mantener operaciones seguras. Llame al (917) 261-3710 para programar su inspección.

No restaurant owner or property manager wants to gamble with FDNY inspections, fire safety violations, or system failures — and that’s why so many NYC businesses rely on Master Fire Systems, the trusted fire protection and commercial kitchen fire safety specialists serving New York City including from Yonkers, Washington Heights East Tremont and Throgs Neck, to the East Village, Bayside, Richmond Hill, as well as Midtown, Harlem, Bushwick, and Downtown Brooklyn.

We understand how stressful it can be to deal with failed inspections, violation notices, emergency shutdowns, and aging fire protection systems — especially when your business, staff, and customers are on the line. Our team works directly with restaurant owners, building managers, and contractors to correct issues quickly, document compliance properly, and keep systems operating safely.

From our Bronx-based operations, Master Fire Mechanical proudly serves all five NYC boroughs — including Manhattan, Brooklyn, Queens, The Bronx, and Staten Island — providing fire suppression systems, hood & duct protection, exhaust system support, sprinkler coordination, inspections, testing, maintenance, and violations removal.

Whether you’re opening a new restaurant, upgrading an existing commercial kitchen, responding to a failed FDNY inspection, or taking over a previously closed space, Master Fire Systems is here to protect your operation and keep you compliant.

Stay informed and inspection-ready:
Subscribe to our YouTube channel for short, practical fire safety videos, read our blog (updated weekly with real NYC field insights), and follow us on Instagram for behind-the-scenes service work and compliance tips.

— including: Harlem, Spanish Harlem, Lower Manhattan, Upper Manhattan, and Inwood

NYC boroughs: Brooklyn, Queens, Staten Island, The Bronx, and Manhattan.

We serve Restaurants and Commercial Cooking establishments in 10467, 10456, 10468, 10457, 10471, 10458, 10460, 10472, 10459, 10475, 10470, 10469, 10462, 10474, 10466, 10476, 10452, 10461, 10463, 10455, 10464, 10449, 10479, 10480 and 10451

Subscribe to our YOUTUBE CHANNEL and also keep up with our field techs on our RECENT JOBS BLOG.
For more information give us a call at (718) 828-6424!

Master Fire Prevention being a reliable fire protection services company in NYC requires a combination of our expertise, rapid response, regulatory compliance, advanced technology, and exceptional customer service. By excelling in these areas, we effectively safeguard lives and property, earning the trust and loyalty of our clients in the ever-dynamic landscape of New York City.