I would highly recommend a TPMS. Be sure to get one that alarms upon fast loss of pressure. In a blow out, you might not get enough of a warning from the TPMS to completely come to a stop, but a blow out at 30mph is a lot easier to handle than one at 60mph.
I use the EEZRV system (EezTire T515). It has provisions to monitor both the RV and trailer/towed vehicle. They have two types of sensors available, depending on your preferences.
After 2 years it has worked without issue. I'll probably be needing to replace the sensor batteries soon.
There are a lot of them on the market and most are fairly similar. I chose mine mostly because of the display unit mounting and ability to monitor a towed vehicle.
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The only thing that works on a RV is the owner...
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