Don't risk a blowout or costly damage to your RV – get a TPMS

When you're in the driver's seat, it's nearly impossible to feel low pressure

Unless you continuously monitor the tires, you’ll never know if the pressure is too low – until it results in a flat tire or blowout. At that point, the damage is often costly and extreme.

A Tire Pressure Monitoring System (TPMS) continuously monitors the air pressure and temperature in your tires, while you’re towing. When either one goes out of spec, the system alerts you so you can pull over safely and check things out.

We've recommended and used TST for 10+ years

Since 2009, it's been the most reliable TPMS on the market for RVs. With 2.2M+ sensors on the road, no other TPMS beats its track record.

See how the TST TPMS works

Still have questions?

Read our Newbies Guide to TPMS: Answers to 17 common questions

You might also like this article: Answers to 11 common questions about tires

What's included

Each TST kit includes everything you need to monitor your tires:

Cordless, rechargeable color monitor
Tire sensors
Repeater/booster (to guarantee a reliable signal at all times)
Windshield mount
Charging cable
Installation instructions

Installation is simple

Unscrew the caps on your tire stems, screw on the sensors, and program the monitor with the locations of the sensors. It takes just a few minutes.

The TST 770 system has advanced features

This TST 770 system	Compared to: TST 507
5-inch touchscreen color monitor	3-inch x 1.5-inch color monitor
Touchscreen controls	Button controls
Windshield magnetic mount (quick release)	Windshield clip mount or rubber dash mount
USB-C charging cord	Micro-USB charging cord
Up to 5 trailers	Up to 4 trailers
Repeater & cigarette lighter adapter included	Repeater & cigarette lighter adapter included
Additional features: Direction of travel, time, date, speed, trip distance, altitude, sensor battery status, and ability to name each trailer	Additional features: None
Price range: $519-$735	Price range: $284-$557

Note: The 770 monitor is not available separately.

Both have the same reliability and come with the same sensors, and 3-year manufacturer’s warranty. Only the monitor features are different.

Determine the right number of sensors

Number of axles on your trailer	TST sensors needed
Single axle (most Airstreams 16-22 feet)	2 sensors (NOT AVAILABLE for this monitor, please buy the 507 system instead)
Double axle (most Airstream trailers 23-33 feet)	4 sensors
Triple axle (Airstream Classic 34-footers)	6 sensors
Truck and double axle trailer	8 sensors

If you need more than 8 sensors you can add them here.

TST 770 Tire Pressure Monitoring System

TST 507 Tire Pressure Monitoring System

Extra sensor for TST tire pressure monitors