RV TPMS Spec Comparison

The measured baseline for RV tire pressure monitoring systems across 60 listings — sensor count and rated pressure ceiling. Both figures had to be read out of product titles, because Amazon publishes neither as a structured specification, and without them this category could compare nothing but weight.

The category baseline

60 listings, all of them genuinely TPMS products — this is the only category on the site that came back 100% on topic.

Sensor count is an axle-count decision

The median kit ships four sensors and the 75th percentile six. That distribution is not a quality spread — it is the shape of the vehicles being covered.

Count your wheel positions before reading any other specification, and include the tow vehicle or the toad if you want them monitored. Most systems sell additional sensors separately, so a kit’s headline count is a starting point rather than a ceiling — but confirm the maximum the display supports, because that is a hard limit and it is rarely in the title.

The pressure ceiling, and why the spread is so wide

The rated ceiling runs from 99 psi at the 25th percentile to 188 psi at the 75th, with a median of 144. That is a genuine and important spread, because it maps onto two different kinds of tire.

Travel-trailer and light-truck tires typically run in the 50–80 psi range, comfortably inside any sensor in this category. Heavy motorhome tires on larger coaches run substantially higher, and a sensor whose ceiling sits below your cold inflation pressure is not merely imprecise — it cannot report the number you need.

Check your tire sidewall’s maximum cold inflation pressure and buy a system rated above it with margin, since pressure rises as tires warm up on a long run. A sensor at 99 psi and a tire placarded at 110 is a mismatch that will show up on the first hot afternoon.

How to place a system against this

1. Count wheel positions, including anything towed. That sets the sensor count.
2. Read your tire placard’s maximum cold pressure and require a ceiling above it with headroom.
3. Then compare against the quartiles above.
4. Check the display’s maximum supported sensors separately from the count in the box, if you may expand later.

The Products These Figures Come From

Of the 60 systems in this category, 30 publish every figure in the baseline above. The 10 shown here are listed by price tier, then alphabetically — this is not a ranking, and a product appearing here means its listing is complete, nothing more. 5 listings are held back for a published figure far outside the category’s own range — a data defect rather than an unusual product.

Product	Brand	Price Tier	Sensors included	Rated pressure (psi)	Weight (kg)	Key Details
EKNBKE RV Tire Pressure Monitoring System	EKNBKE	<$30	6	144	0.20	Solar and USB charging; LCD with automatic brightness; 6 alarm modes on external sensors
KWANCHOO Solar RV TPMS Tire Pressure Monitoring System	KWANCHOO	<$30	4	144	0.20	Solar and USB charging; IP67 external sensors with replaceable batteries; 6 alarm modes
LIIRVVSTT Tire Pressure Monitoring System	LIIRVVSTT	<$30	4	88	0.19	Solar and USB charging; color LCD with auto backlight; 6 alarm modes; external sensors
AUTOSIRS 4 Tire RV TPMS	AUTOSIRS	$30-75	4	108	0.34	Color screen; tool-free sensor fitting; alerts on pressure and temperature change
LETOURWM RV Tire Pressure Monitoring System -TPMS 2026…	LETOURWM	$30-75	6	144	0.22	Solar and USB-C charging; voice alerts, auto-brightness LCD; sensors screw on in about 2 minutes
Masoll M13 Tire Pressure Monitoring System	Masoll	$30-75	4	99	0.23	Solar charging with auto wake and sleep; stated accuracy 1.5 PSI; alarm thresholds set automatically
B-Qtech RV Tire Pressure Monitoring System TPMS w/8…	B-Qtech	$75-200	8	108	0.23	Magnetic-mount color screen; supports up to 10 sensors; 4-wheel or 8-wheel modes
GUTA GT20 Trailer Tire Pressure Monitoring System	GUTA	$75-200	4	188	0.49	Reads to 188 PSI and -40 to 221°F; up to 24 tires; switchable pressure units
EEZ RV Products EEZTire-TPMS6ATC Real Time/24×7 Tire…	EEZ RV Products	$200-500	4	210	0.54	Motion-sensitive monitor updating on 6-second intervals; separate RV and trailer sensor controls
GUTA GT30 Trailer Tire Pressure Monitoring System	GUTA	$200-500	6	188	0.58	Shows up to 10 tires on one page; wireless sensor programming; 12 to 14 days per 4-hour charge

Key Details summarize what each listing states about itself, in our words rather than the seller’s. Every claim is checked against the listing text it was taken from.

Notes on the Products at the Edges

Most of the products above sit inside the interquartile range on every figure, which is what the baseline already describes. These are the ones it does not: each is outside P25 or P75 on at least one published figure. The position is computed from the category statistics; the explanation is what the listing itself states.

B-Qtech RV Tire Pressure Monitoring System TPMS w/8… — B-Qtech, $75-200

Sensors included of 8 sits above the category P75 of 6. Supplied with 8 sensors and able to monitor 10 — 4 for the vehicle, 4 for a trailer and 2 spares — which is what puts it above the category’s sensor count.

Specifications are the manufacturer’s published values as scraped for this corpus, not our own measurements — the same source, and the same limits, as the baseline above. Prices move daily, so we show the tier rather than an amount. Links to Amazon are affiliate links.

What this category does not publish

Sensor battery type and life, whether sensors are internal or external, whether a signal repeater is included or needed, alarm thresholds, and display power source are all absent from structured data and inconsistent in the bullets. Internal versus external is a particularly consequential omission: external sensors screw onto the valve stem and are replaceable by the owner, internal ones sit inside the tire and need it dismounted.

Nothing above is a recommendation, a ranking or a test result. We do not own an RV and we do not install this equipment. The method, including both gates, is on comparison methodology.