Sees to be concerns over flow-through sensors propensity to leak. Once you have a TPMS, you stop accessing the valve stems unless there is a leak, then you know and can get it fixed right away. We've have an EEZTire system on our class A for a year now with excellent results with the non-flow thrus. Agreed that the price has been escalating since we got ours. Usually electronic stuff gets cheaper. Even at the higher price I'd gladly do it again. I'm a firm believer that all RVs should have them. Pretty much all travel in an RV is for a longer period of time than cars. With a car, you pick up a nail and when you come out of the store your tire is flat. With an RV, you drive long enough for the tire to leak down enough to overheat and fail at speed. This is a safety regulation that should become law for RVs as most people don't realize how RV travel makes a blowout more likely than in their car.
