• Facebook
  • X
  • RSS
The Rig | Firefighting Apparatus, Vehicles, & Equipment
  • Rigs
    • Rig of the Day
    • Aerials
    • Engines
    • Hot Shots & Components
    • Rescues
    • Tankers
    • Wildland
  • Articles
    • Features
    • Components
    • Press Releases
  • Videos & Gallery
    • Videos
    • Gallery
    • Aerials
    • Engines
    • Rescues
    • Tankers
    • Wildland
  • Fire Apparatus Magazine
    • Subscribe
    • Past Issues
    • Webcasts
    • Newsletters
    • About Us
    • Contact Us
    • Advertise
  • Sponsors
    • Darley
    • E-ONE
    • Ferrara
    • KME
    • Spartan
Select Page
  • Rigs
    • Rig of the Day
    • Aerials
    • Engines
    • Hot Shots & Components
    • Rescues
    • Tankers
    • Wildland
  • Articles
    • Features
    • Components
    • Press Releases
  • Videos & Gallery
    • Videos
    • Gallery
    • Aerials
    • Engines
    • Rescues
    • Tankers
    • Wildland
  • Fire Apparatus Magazine
    • Subscribe
    • Past Issues
    • Webcasts
    • Newsletters
    • About Us
    • Contact Us
    • Advertise
  • Sponsors
    • Darley
    • E-ONE
    • Ferrara
    • KME
    • Spartan
The Role of the Thermal Expansion Valve (TXV)
Apparatus Components, Articles, Features, Roberts

The Role of the Thermal Expansion Valve (TXV)

Oct 9, 2026 | Apparatus Components, Articles, Features, Roberts

BY KEVIN ROBERTS When a water pump moves coolant through the cooling system it does not contribute primarily to the pressure in the system....

READ MORE
The Principle of Latent Heat
Apparatus Components, Articles, Equipment, Features, Fire Apparatus, Rigs, Roberts

The Principle of Latent Heat

Sep 8, 2026 | Apparatus Components, Articles, Equipment, Features, Fire Apparatus, Rigs, Roberts

In the first article on apparatus HVAC systems, I mentioned that latent heat disappears. Disappearing does not mean that the heat ceases to...

READ MORE
HVAC Systems: So, What Is a Micron, Anyway?
Apparatus Components, Articles, Features

HVAC Systems: So, What Is a Micron, Anyway?

Jul 13, 2026 | Apparatus Components, Articles, Features

The part salesman gives a micron rating for his fuel filter. Your high school physics teacher told you that the sun’s gravity at the distance...

READ MORE
What the HVAC System Needs
Apparatus Components, Articles, Features, Fire Apparatus

What the HVAC System Needs

May 8, 2026 | Apparatus Components, Articles, Features, Fire Apparatus

By Kevin Roberts  Last time we discussed what heat is. If you haven’t already, you should read that one first. There are many ways to...

READ MORE
Introduction to Emergency Vehicle HVAC: What is Heat?
Ambulances, Apparatus Components, Articles, Features, Fire Apparatus, Fire Command Vehicles, Hazmat Trucks, Ladder Trucks, Pumpers

Introduction to Emergency Vehicle HVAC: What is Heat?

Apr 10, 2026 | Ambulances, Apparatus Components, Articles, Features, Fire Apparatus, Fire Command Vehicles, Hazmat Trucks, Ladder Trucks, Pumpers

One of the occupational hazards of an emergency vehicle technician (EVT) Trainer who emphasizes basic principles is the complaint that the...

READ MORE

Topics

Recent

  • Apparatus Showcase, October 2026
  • Just Ask Engineering: Pump Life Expectancy
  • Darley “SAFE” Roll Hose Roller
  • The Role of the Thermal Expansion Valve (TXV)
  • Industry Trends and Priorities: Needs vs. Wants

Create and strengthen powerful relationships among key players in the Fire & EMS industry.

LEARN MORE

Clarion Events Fire & Rescue Group provides Fire and EMS leadership the critical training and educational information they need to do their job as effectively and safely as possible. Through our industry-leading publications, digital media and events, we cover the latest developments, innovations, and standards in apparatus and equipment, clinical breakthroughs, and training for Fire & EMS personnel.

© 2026 CLARION FIRE & RESCUE GROUP| Code of Conduct
| Privacy Policy | Cookie Policy

OUR BRANDS

FIRE ENGINEERING

FIRE APPARATUS & EMERGENCY EQUIPMENT

FIREFIGHTERNATION

FDIC INTERNATIONAL

FIRE ENGINEERING BOOKS

FIRE ENGINEERING TRAINING

JEMS

JEMS TRAINING

JEMS EVENTS

RESOURCES

WILDLAND FIREFIGHTER

EMS RIG

THE STATION

EXTRICATION ZONE

TECH ZONE

ARFF RESOURCE

HIGH-RISE OPERATIONS

FIRE LIFE

  • Facebook
  • X
  • RSS