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Kitchen Hood Suppression and NFPA 17A, Explained in Drawings Trace It From Cylinder to Nozzle, Always in the Same Order

Agent cylinder, regulated release, detection line, fusible links, plenum and duct nozzles, appliance coverage, gas and electrical shut-offs, the semiannual service. Every topic gets its own page: the drawing first, then what you need to remember. 65 illustrated pages.

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Every topic, its own pageEach part of the system drawn, with the explanation right beside it
65 illustrated pages8 parts, from the whole system at a glance to the field checklist for the truck
Up-to-date sourcesNFPA 17A, NFPA 96 and UL 300
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Look Inside the Book

Every page has one big drawing and a box with the numbers and steps you need to know:

UL 300 took effect Nov. 21, 1994; no dry chemical restaurant system holds the listing.
UL 300 took effect Nov. 21, 1994; no dry chemical restaurant system holds the listing.
Valve, siphon tube, gauge, data plate and date: the cylinder in one cutaway.
Valve, siphon tube, gauge, data plate and date: the cylinder in one cutaway.
Release → conduit → pulley elbows → link brackets → terminal: the whole detection line in one drawing.
Release → conduit → pulley elbows → link brackets → terminal: the whole detection line in one drawing.
Cylinder → supply line → appliance, plenum and duct branches → nozzle drops.
Cylinder → supply line → appliance, plenum and duct branches → nozzle drops.
Dedicated vs. overlapping nozzles: what the listing allows when the cook line changes
Dedicated vs. overlapping nozzles: what the listing allows when the cook line changes
NFPA 96: every protected appliance loses fuel and heat power automatically on discharge.
NFPA 96: every protected appliance loses fuel and heat power automatically on discharge.
Step 0 of the semiannual service: manager, cold line, last report and owner records.
Step 0 of the semiannual service: manager, cold line, last report and owner records.
Moved fryer, missing cap, painted link, wrong rating, expired link: wrong vs. right.
Moved fryer, missing cap, painted link, wrong rating, expired link: wrong vs. right.

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These are real pages from the book. The table of contents is the full one: 8 parts and 61 topics.

The Problem Isn't You. It's How It Was Explained to You.

You're on a ladder under the hood at 6 a.m., cable in hand, and you can't remember how the detection line should run: which pulley elbow, which link bracket, where the terminal link goes.

The manual covers the detection line in paragraphs and a parts table. It describes in words something you need to follow with your eyes. By the next shift, it's gone.

Release → conduit → pulley elbows → link brackets → terminal: the whole detection line in one drawing.

In the book, the detection line is one drawing: release, conduit, pulley elbows, link brackets, terminal. You trace it with your finger, the same way the cable runs.

The same goes for the agent cylinder, the piping path, the plenum and duct nozzles, the shut-offs and the semiannual service: each one has its own page.

You see it, you understand it, and you open the listed manual already knowing what you're looking for. Whether it's the exam or a cook waiting to get the line back.

COMPARE FOR YOURSELF

Same Topic, Two Ways to Study It

THIS
  • The manual: line after line of text
  • Cylinders and valves explained only in words
  • You show up to the exam second-guessing yourself
The agent cylinder assembly consists of a steel or stainless steel container, a valve assembly threaded into the cylinder neck, and a siphon tube extending to the lower portion of the container to permit discharge of the liquid agent while the cylinder remains in the upright position. Where applicable, a pressure gauge indicates the internal pressure condition. The data plate shall identify agent type, capacity, listing information and date of manufacture, which governs subsequent hydrostatic test intervals as specified by the manufacturer and applicable standards.
FOR THIS
  • The cylinder in one cutaway drawing
  • Gauge, data plate and dates in one box
  • You see it and you get it
Valve, siphon tube, gauge, data plate and date: the cylinder in one cutaway.
CONTENTS

Take a Look at the 8 Parts and 61 Topics

The system at a glance, cylinder and release, the detection line, piping and nozzles, appliance by appliance, shut-offs and interlocks, the semiannual service step by step, and deficiencies and review: 65 pages, all illustrated.

IThe System at a Glance · pp. 5-10
  1. The Whole System in One Drawing
  2. Why Wet Chemical: Saponification and Cooling
  3. UL 300: The Line Between Compliant and Obsolete
  4. Which Standard Says What
  5. The Listed Manual Always Wins
  6. Licensing: How State Permits Are Usually Built
IICylinder and Release · pp. 11-18
  1. Anatomy of the Agent Cylinder
  2. Stored Pressure vs. Cartridge-Operated
  3. The Expellant Cartridge
  4. The Regulated Release Head
  5. Mechanical vs. Electric Release
  6. Multiple Cylinders and Flow Points
  7. Agent Capacity and Flow Point Math
  8. Hydrostatic Testing and Cylinder Dates
IIIDetection Line · pp. 19-25
  1. The Detection Line from Release to Terminal
  2. How a Fusible Link Fires the System
  3. Choosing the Link Temperature Rating
  4. Where Links Go: Duct, Appliances, Terminal
  5. Pulley Elbows, Conduit and Cable Limits
  6. Link Replacement Interval
  7. Electric Heat Detectors
IVPiping and Nozzles · pp. 26-32
  1. The Distribution Piping Path
  2. Pipe Rules Set by the Listing
  3. Nozzle Anatomy and Flow Numbers
  4. Blow-Off Caps
  5. Duct Nozzle Coverage
  6. Plenum Nozzle Coverage
  7. Appliance Nozzles: Height and Aim Point
VAppliance by Appliance · pp. 33-41
  1. Appliance-Specific vs. Overlapping Coverage
  2. Deep Fat Fryer
  3. Griddle
  4. Range and Burners
  5. Charbroiler
  6. Upright and Salamander Broilers
  7. Wok Range
  8. Chain Broiler and Conveyor Pizza Oven
  9. Solid Fuel and Tilt Skillets
VIShut-Offs and Interlocks · pp. 42-47
  1. What Must Happen When the System Fires
  2. The Mechanical Gas Valve
  3. Electric Gas Valve and Reset Relay
  4. Electrical Shut-Off for Appliances
  5. Manual Pull Station
  6. The Class K Extinguisher and Its Placard
VIIThe Semi-Annual Service, Step by Step · pp. 48-57
  1. Before You Touch Anything
  2. Step 1: Lock Out and Remove the Cartridge
  3. Step 2: Check the Layout Against the Design
  4. Step 3: Inspect the Cylinder
  5. Step 4: Trace the Detection Line
  6. Step 5: Trip Test the Release
  7. Step 6: Nozzles, Caps and Piping
  8. Step 7: Reset Everything
  9. Step 8: Tag, Report and Sign Off
  10. After a Discharge: Recharge and Cleanup
VIIIDeficiencies and Review · pp. 58-65
  1. 15 Frequent Deficiencies, Before and After (1 of 3)
  2. 15 Frequent Deficiencies, Before and After (2 of 3)
  3. 15 Frequent Deficiencies, Before and After (3 of 3)
  4. Hood, Filters and Cleaning Frequency
  5. Intervals and Numbers on One Page
  6. What Exam Questions Usually Ask
  7. Talking to the Restaurant Manager
  8. Field Checklist for the Truck

One Page, One Topic, All Clear

Think of it this way:

The cook line changed over the weekend: the fryer now sits where the griddle used to be. You need to know if the nozzle above still covers it.

You open the page on dedicated vs. overlapping coverage and see both setups drawn side by side, with what the listing allows when the line changes.

Dedicated vs. overlapping nozzles: what the listing allows when the cook line changes

Same with the detection line, the agent cylinder, the mechanical gas valve, the manual pull station and the 8 service steps: each one on its own page.

Kitchen Hood Suppression Illustrated is 65 pages in 8 parts, all drawn, and at the end you get the intervals on one page, the topics to review before the exam and a field checklist for the truck.

What you see drawn, you don't have to memorize.

What's Inside Kitchen Hood Suppression Illustrated:

Ipp. 5-10

The System at a Glance

The whole system in one drawing, why wet chemical works, UL 300, which standard says what, why the listed manual always wins and how state licensing usually works.

IIpp. 11-18

Cylinder and Release

Agent cylinder anatomy, stored pressure vs. cartridge-operated, the expellant cartridge, the regulated release, mechanical vs. electric release, flow points and hydrostatic test dates.

IIIpp. 19-25

Detection Line

The detection line from release to terminal, how a fusible link fires the system, link temperature ratings, where links go, pulley elbows and conduit, link replacement and electric heat detectors.

IVpp. 26-32

Piping and Nozzles

The distribution piping path, pipe rules set by the listing, nozzle anatomy and flow numbers, blow-off caps, duct and plenum coverage, appliance nozzle height and aim point.

Vpp. 33-41

Appliance by Appliance

Dedicated vs. overlapping coverage, then fryer, griddle, range, charbroiler, upright and salamander broilers, wok range, chain broiler, conveyor pizza oven, solid fuel and tilt skillets.

VIpp. 42-47

Shut-Offs and Interlocks

What must happen when the system fires, the mechanical and electric gas valve, the reset relay, electrical shut-off, the manual pull station and the Class K extinguisher with its placard.

VIIpp. 48-57

The Semi-Annual Service, Step by Step

The semiannual service in 8 numbered steps, always in the same order: from lockout and cartridge removal to the trip test, the reset, the tag and the report, plus recharge after a discharge.

VIIIpp. 58-65

Deficiencies and Review

15 frequent deficiencies wrong vs. right, hood, filters and cleaning frequency, the intervals and numbers on one page, the topics to review before the exam, talking to the manager and a field checklist.

At the end of the book: The intervals and numbers on one page, the topics to review before the exam and a field checklist for the truck.

SHOW ME WHAT'S INSIDE

Plus: 2 Free Books

Kitchen Suppression Practice Questions (with Answers)

BONUS 1: «Kitchen Suppression Practice Questions (with Answers)»

Value on its own: US$ 17.90

Exam-style questions on links, nozzles, shut-offs and service intervals, each answer explained in one or two lines, so you find your weak spots before test day.

Common Deficiencies Field Cards

BONUS 2: «Common Deficiencies Field Cards»

Value on its own: US$ 14.90

One printable card per deficiency, with what it looks like and how to correct it, to review in 5 minutes or keep in the truck.

Kitchen Hood Suppression Illustrated with 2 Free Books

  • Kitchen Hood Suppression Illustrated: 65 illustrated pagesUS$ 63
  • BONUS 1: Kitchen Suppression Practice Questions (with Answers)US$ 17.90
  • BONUS 2: Common Deficiencies Field CardsUS$ 14.90
  • High-resolution PDF to printIncluded
Total value US$ 95.80
YOUR PRICE:
US$ 27
You save US$ 68.80
YES, I WANT KITCHEN HOOD SUPPRESSION ILLUSTRATED FOR US$ 27

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PDF by email: We email you Kitchen Hood Suppression Illustrated as a PDF, together with the two free books. It's a single payment: no installments, no extra charges.

Who This Book Is For

You're moving up from extinguishers

You're moving up from extinguishers

You already know cylinders and gauges. The book shows you the rest of the kitchen system, from the release to the last nozzle, one page at a time.

Your state license exam is coming up

Your state license exam is coming up

You review links, nozzles, shut-offs and intervals in the same order every night, and test yourself with the practice questions before exam day.

You already service restaurant hoods

You already service restaurant hoods

You print the pages you need, keep them in the truck and check coverage, links and the 8 service steps with the drawing in front of you.

Everything You Get Today

US$ 95.80US$ 27
YES, I WANT KITCHEN HOOD SUPPRESSION ILLUSTRATED FOR US$ 27

📄 This is a digital PDF book sent to your email: nothing is printed or shipped.

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Try Kitchen Hood Suppression Illustrated for 30 days, bonus books included.

We refund everything if the file won't open, if the book isn't what you see here, if you were charged twice or if the email doesn't arrive. Just email us.

You pay once. No subscriptions.

Frequently Asked Questions

Is it for me if I already service extinguishers and want to move into kitchen systems?

Yes. It doesn't start with what fire is: it starts with the whole kitchen system and follows it from the cylinder to the nozzle, the shut-offs and the semiannual service.

Where does the content come from?

From NFPA 17A, NFPA 96, UL 300 and NFPA 10 for Class K portables. Editions and listings change, so every code value carries a VERIFY mark: you check it once against the current edition, your manufacturer's listed manual and your state's rules, and you know it's the number that applies to you.

Is this official material?

No. It's an independent illustrated study book. It isn't published or endorsed by NFPA, UL, any manufacturer or any state fire marshal's office, and it doesn't give you a certificate, a license or training hours: it's material to study and review.

Does it replace my training or the manufacturer's course?

No. Design, installation and service always follow the manufacturer's listed manual and the authority having jurisdiction (AHJ). The book isn't tied to one brand: it draws the parts and the logic that listed wet chemical systems share, in the same order every time. Nozzle types, flow points and pipe limits for your system come from your manual, and the book tells you where to look for them.

Are the practice questions the ones on the exam?

No. They were written for this book to help you find your weak spots. They are not official questions from any state exam.

When and how do I get it?

The book and the 2 bonus books arrive as a PDF by email, at the address you enter at checkout.

Do I have to pay every month?

No. It's a one-time payment.

Can I have it on paper?

Yes. It's a PDF you can print, all of it or just the pages you need, and keep in the truck.

How does the refund work?

You have 30 days. We refund everything if the file won't open, if the book isn't what you see on this page, if you were charged twice or if the email doesn't arrive: just email us.

Before You Close This Page

No more rereading the manual and forgetting it by morning.

The detection line: you see it drawn, and you've got it.

You walk into the exam or the kitchen knowing where everything is.

Drawings make studying faster.

The book is right below.

One-time payment: US$ 27 · Guarantee: 30 days · PDF by email

YES, I WANT KITCHEN HOOD SUPPRESSION ILLUSTRATED FOR US$ 27

📄 This is a digital PDF book sent to your email: nothing is printed or shipped.