Buying guide · 10 min read · Updated October 2, 2026

6 Best TPMS For Class A RV in 2026: A Practical RV Guide

Six TPMS kits for Class A motorhomes, covering dual rear tires, towed cars, 80 to 125 psi pressures and long coach signal paths.

By Bowen HigginsRV Editor at RV Gear Lab6 products comparedSpec-sheet researched

A Class A motorhome puts six or more heavy tires under one rig, often with a towed car behind. This guide is built around that setup: dual rears, high pressure and a long signal path.

We compared each kit on sensor count, stated psi ceiling, sensor access for inner duals and warranty terms, then ranked them from the most complete motorhome fit to the cheapest six-tire option.

RV Gear Lab field notes

The Rig Fit Check

Start with the job: TST 507 Series TPMS leads this shortlist for Class A owners building a system over time. Use that fit as a reference point, then compare the alternatives against your own space and workload.
Specs that separate the picks: The first details to compare are Four cap sensors, 3.5 inch display, Ten sensors, 0 to 188 PSI, Four flow-through sensors. Confirm the exact model and included components before ordering.
Trade-off to plan for: Four sensors only cover part of a motorhome

Before you buy

What Matters Before You Choose a TPM For Class A RV

Key buying criteria so you get the right fit the first time.

01
Dual rear tire access
A Class A usually runs dual rear wheels, and the inner tire's valve stem can be awkward to reach. Flow-through sensors let you add air without removing the sensor, which saves time at every fill. Check the listing for the words flow-through or extension, and favor metal valve stems if you choose that design.
02
Motorhome pressure range
Class A tires can need 80 to 125 psi cold, and a sensor needs headroom above that to read correctly. A kit that stops at 87 psi will not suit most coaches. Read the stated maximum on the title or specification list and keep it comfortably above your tire's max cold pressure.
03
Toad and tow-vehicle support
A Class A that tows a car doubles the tire count and adds another set of sensors to pair. Some systems track a towed vehicle or several, while others hold only a single profile. Look for a statement of tow-vehicle support or a high maximum tire count on the display.
04
Signal length across a coach
A 40 foot coach puts the rear tires far from a dash display, and steel framing weakens radio signals. Quoted ranges run from about 36 to 120 feet with boosters. Measure from your dash to the rear dual and add margin before you accept a quoted range.
05
Sensor battery type
A replaceable coin cell battery costs a few dollars and takes a minute to swap, while a sealed sensor forces you to replace the entire unit. The TST 507 Cap lists CR2032 batteries as user-replaceable, and other listings do not say. Check the product page before you buy, since a motorhome has six or more sensors to maintain.
06
Support when a sensor fails
A failed sensor on a motorhome can leave a key tire unmonitored for a whole season. Warranty length and support availability vary widely, and some listings give no terms. Look for a stated warranty period and a US-based support option before committing.

Our standards

Why You Can Trust RV Gear Lab

At RV Gear Lab, we compare products based on rig fit and power or hookup compatibility, verified specifications, usability, setup requirements, weight, durability, and real-world trade-offs. We do not rank products purely on marketing claims or commission rates.

We have not personally tested every product listed. Where hands-on testing is not available, recommendations are based on verified manufacturer specifications, product documentation, use-case fit, and comparative research.

How we review RV gear →

Detailed reviews

The 6 best tpms for class a rv, explained

Best Overall for Class A · 1 of 6

TST 507 Series TPMS

Four cap sensors, 3.5 inch display
CR2032 user-replaceable batteries
Three-year system warranty

Check price on Amazon

Best for: Class A owners building a system over time

Our take

It fits a Class A owner who plans to build up a full system over time, adding sensors for dual rear tires and a toad.

Why it made the shortlist

The Truck System Technologies 507 kit ships with four cap sensors, a 3.5 inch color display and a rechargeable monitor with a Micro-USB charger. The system can watch your towing truck and up to four towable vehicles, and the sensors use user-replaceable CR2032 batteries.

What works

Replaceable CR2032 sensor batteries
Tracks truck plus four towables
Three-year warranty on the system
USA-based live support

Watch out for

Four sensors only cover part of a motorhome
Extra sensors are sold separately

Check price on Amazon

Best for Motorhome Plus Toad · 2 of 6

GUTA GT20 Trailer Tire Pressure Monitoring System

Ten sensors, 0 to 188 PSI
Up to 24 tires of data
Display orientation adjustable

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Best for: Motorhomes towing a car

Our take

It suits a Class A that tows a car and wants everything on a single page.

Why it made the shortlist

The GUTA GT20 is sold with ten sensors and monitors pressure from 0 to 188 PSI and temperature from -40 to 221 degrees F. It supports up to 24 tires' worth of data with six alert modes, which covers a six-tire Class A and a four-tire toad.

Compared with the TST 507 Cap above, it brings ten sensors to the starting kit rather than four, so nothing needs adding for a motorhome with a toad.

What works

Ten sensors cover motorhome plus toad
Reads up to 188 PSI
Six alert modes
Switch between PSI and BAR

Watch out for

Sensor style is not named in the title

The catch: Compared with the Tymate TM12 Flow below, the GT20 does not state a flow-through design, so confirm how you would add air before assuming the sensors can stay on.

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Best Flow-Through Option · 3 of 6

Tymate TM12 RV Tire Pressure Monitoring System

Four flow-through sensors
Up to 12 tires, four zones
USB-C or solar charging

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Best for: Owners who air up often

Our take

The strongest case for Tymate TM12 RV Tire Pressure Monitoring System is add air without removing sensors.

Why it made the shortlist

The Tymate TM12 four-sensor set uses flow-through sensors: you add air through them without removing them from the valve stem. The display supports up to 12 tires across four zones and runs on USB-C or solar.

Against the Masoll 4-Sensor below it, you gain the flow-through design that saves repeated sensor removal at every fill.

What works

Add air without removing sensors
Display grows to 12 tires
Waterproof external sensors
Pre-programmed to positions

Watch out for

Four sensors do not cover six tires
Best with metal valve stems

Check price on Amazon

Best Mid-Price Four-Sensor · 4 of 6

Masoll RV Tire Pressure Monitoring System

Four sensors, 120 ft booster
Four-level brightness display
2, 4, 6, 8 sensor range

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Best for: Motorhomes wanting a booster included

Our take

It suits a motorhome owner who wants a booster in the box and plans to add sensors from the same range.

Why it made the shortlist

The Masoll four-sensor set is part of a range sold in 2, 4, 6 and 8 sensor kits, so a Class A owner can match the tire count. It includes a booster that stretches the sensor signal up to 120 feet.

Compared with the Tymate TM2 below it, the Masoll adds a booster and a four-level brightness display for a higher price.

What works

Booster comes in the box
Kit sizes match different tire counts
Pre-paired from the factory
Alerts include sensor lost and low voltage

Watch out for

PSI range is not in the title
Only four sensors in this set

The catch: Compared with the TM12 Flow above, it lacks the flow-through feature but includes the signal booster.

Check price on Amazon

Best Budget for Light Class A · 5 of 6

Tymate TM2 RV Tire Pressure Monitoring System

Four external sensors
0 to 87 PSI
Solar and USB charging

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Best for: Toad or tow car monitoring only

Our take

Choose Tymate TM2 RV Tire Pressure Monitoring System for solar and USB charging.

Why it made the shortlist

The Tymate TM2 set of four uses external sensors and a color LCD, with a stated 0 to 87 PSI range. It charges by solar or USB and offers six alarm modes.

What works

Solar and USB charging
Auto-adjusting backlight
Easy screw-on installation

Watch out for

87 PSI ceiling rules out most Class A tires
Only four sensors

The catch: That 87 PSI ceiling is the key limitation for a Class A, since heavy motorhome tires can run well above 80 psi cold.

Check price on Amazon

Best Six-Tire Budget Kit · 6 of 6

Flydew 6-Wheel RV TPMS with Custom Pressure Alerts

Six sensors, 0 to 144 PSI
0.3 second update rate
Solar and USB-C charging

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Best for: Budget Class A with six tires

Our take

It fits a Class A on a tight budget where the tire pressure stays under about 140 psi.

Why it made the shortlist

The Flydew kit covers six wheels, which matches a typical Class A with duals. It reads 0 to 144 PSI with plus or minus 1.5 PSI accuracy, updates every 0.3 seconds and offers six alarm modes with custom thresholds.

Compared with the Tymate TM2 above, it provides two more sensors and a much higher ceiling for even less money.

Test signal strength through the coach before relying on it.

What works

Six sensors match a dual-rear Class A
Reads up to 144 PSI
Custom pressure thresholds
Auto-dimming color display

Watch out for

No repeater named in the title
No toad expansion stated

The catch: Compared with the GUTA GT20, it has no stated tow-vehicle expansion, so the toad would need a separate system.

Check price on Amazon

Methodology

How We Built This Shortlist

Each pick was assessed across 5 criteria weighted for real-world use.

Dual-rear tire coverage

We compared sensor counts against the typical Class A layout of two front and four rear tires, plus a toad.

Pressure range

We checked stated psi limits against the 80 to 125 psi cold pressures that motorhome tires commonly need.

Sensor access

We weighed flow-through and cap designs by how easily an owner can add air to an inner dual.

Signal reach

We compared quoted range and boosters against the length of a 35 to 45 foot coach.

Support and warranty

We noted which kits state a warranty period or a US support line.

Decision guide

Match a TPM For Class A RV to Your RV

By Coach Setup

Your situation	Recommended pick	Why
Class A with a toad, one screen	GUTA GT20	Ten sensors in the kit
Class A and buying in stages	TST 507 Cap	Starts at four and expands to tow vehicles
Dual rear tires, frequent fills	Tymate TM12 Flow	Flow-through sensors skip removal
Six-tire coach on a budget	Flydew 6-Wheel	Six sensors with a 144 PSI ceiling

By Budget

Budget	Recommended pick
$40 to $70	Flydew 6-Wheel or Tymate TM2
$80 to $110	Tymate TM12 Flow or Masoll 4-Sensor
$260 to $370	GUTA GT20 or TST 507 Cap

Flow-Through vs Cap Sensors

Flow-through sensors

You add air through the sensor without removing it, which helps with inner dual tires. The Tymate TM12 Flow is the example here, best paired with metal valve stems.

Cap sensors

Cap sensors screw onto the stem and must come off to add air, but they are light and simple. The TST 507 Cap is named as cap style, and the Masoll, Tymate TM2 and Flydew kits also screw onto the valve stem.

Most Class A owners with duals should lean toward flow-through, like the Tymate TM12 Flow, unless a stem extension already makes filling easy.

By Budget Priority

Your priority	Recommended pick
Longest support and warranty	TST 507 Cap
Most sensors per dollar	Flydew 6-Wheel
Booster included	Masoll 4-Sensor
Light toad only	Tymate TM2

For a Coach With a Towed Car Specifically

Look for

At least ten sensors or tow-vehicle expansion, and a display that can hold several tire positions.

In this comparison

The GUTA GT20 comes with ten sensors and handles up to 24 tires of data. The TST 507 Cap can monitor the coach and up to four towables.

When to Spend More

Spend more if

Spend more if the coach tows a car: the GUTA GT20 starts with ten sensors, and the TST 507 Cap adds a three-year warranty and tow-vehicle tracking.

Save if

Save if you only need the coach itself: the Flydew 6-Wheel covers six tires and reads to 144 PSI for a low cost.

FAQ

Before You Bring One Home

How many sensors does a Class A motorhome need?

A typical Class A has six tires, so a six-sensor kit covers the coach. A toad adds four more, which is why the GUTA GT20's ten sensors fit that setup well.

Will a TPMS read the inner dual tire?

It can, because the sensor sits on that tire's valve stem. The practical issue is adding air, which is why the Tymate TM12 Flow suits duals better than standard screw-on types.

Is the TST 507 Cap worth the premium over the Tymate TM2?

If you want a multi-year warranty, replaceable batteries and tow-vehicle support, yes. The Tymate TM2 is cheaper but stops at 87 PSI, which is below many motorhome tire pressures.

How do I install a TPMS on a Class A?

Remove the valve caps, thread the labeled sensors onto each stem, and power the monitor. Check each reading before driving, and verify the signal from the back of the coach. Add a booster or repeater if any tire drops out.

What should I do if one sensor loses signal?

Check the battery first, then the position and any metal obstruction between the sensor and the display. A booster often fixes it on a long coach. If the sensor is sealed and still dead, replace the unit.

Bottom line

The short version

Best Overall for Class A
TST 507 Series TPMS
Check price for TST 507 Series TPMS (opens in a new tab)
Best for Motorhome Plus Toad
GUTA GT20 Trailer Tire Pressure Monitoring System
Check price for GUTA GT20 Trailer Tire Pressure Monitoring System (opens in a new tab)
Best Flow-Through Option
Tymate TM12 RV Tire Pressure Monitoring System
Check price for Tymate TM12 RV Tire Pressure Monitoring System (opens in a new tab)
Best Mid-Price Four-Sensor
Masoll RV Tire Pressure Monitoring System
Check price for Masoll RV Tire Pressure Monitoring System (opens in a new tab)
Best Budget for Light Class A
Tymate TM2 RV Tire Pressure Monitoring System
Check price for Tymate TM2 RV Tire Pressure Monitoring System (opens in a new tab)
Best Six-Tire Budget Kit
Flydew 6-Wheel RV TPMS with Custom Pressure Alerts
Check price for Flydew 6-Wheel RV TPMS with Custom Pressure Alerts (opens in a new tab)

Browse more tpms for class a rv on Amazon →

About the author

Bowen Higgins

RV Editor at RV Gear Lab

Bowen covers RV power, water systems, towing and leveling, upkeep and interior comfort, with a focus on matching gear to the rig, the hookups and the way you actually travel.

6 Best TPMS For Class A RV in 2026: A Practical RV Guide

Our top picks

The Rig Fit Check

What Matters Before You Choose a TPM For Class A RV

Dual rear tire access

Motorhome pressure range

Toad and tow-vehicle support

Signal length across a coach

Sensor battery type

Support when a sensor fails

Why You Can Trust RV Gear Lab

The 6 best tpms for class a rv, explained

TST 507 Series TPMS

GUTA GT20 Trailer Tire Pressure Monitoring System

Tymate TM12 RV Tire Pressure Monitoring System

Masoll RV Tire Pressure Monitoring System

Tymate TM2 RV Tire Pressure Monitoring System

Flydew 6-Wheel RV TPMS with Custom Pressure Alerts

How We Built This Shortlist

Dual-rear tire coverage

Pressure range

Sensor access

Signal reach

Support and warranty

Match a TPM For Class A RV to Your RV

By Coach Setup

By Budget

Flow-Through vs Cap Sensors

By Budget Priority

For a Coach With a Towed Car Specifically

When to Spend More

Before You Bring One Home

How many sensors does a Class A motorhome need?

Will a TPMS read the inner dual tire?

Is the TST 507 Cap worth the premium over the Tymate TM2?

How do I install a TPMS on a Class A?

What should I do if one sensor loses signal?

The short version

Bowen Higgins

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