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Review of TST TPMS - Tire Inflation and Repair - TST-507-RV-S4

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TST TPMS - Tire Inflation and Repair - TST-507-RV-S4 Review

Today we're going to take a look at the four brass tire sensors for the TST tire pressure monitoring systems.Now these sensors will let you sensor four additional tires on your TST tire pressure monitoring system or you can replace any lost or damaged sensors. It is designed for use with the part number TST-507-RV-4C, and the system part number TST-507-RV-6C. And with those systems we do sell separately on our website.Now these sensors are brass construction. They're for use on rubber, like this, or metal valve stems. It's a very easy installation onto your tires' valve stems. They use these theft-resistant covers, which will require the included cap wrench for installation and removal.

And the cap wrench is also used to remove the cap on the sensor if you need to replace the battery.Now it does include everything shown here on the table. The four sensors with batteries included. Four brass nuts to lock them onto your valve stem. Four rubber O-rings, four rubber washers, that when you need to replace with the battery, you'll put in a new O-rings and a new washer. And then this cap wrench installation tool.Now the pressure range on these sensors is 0 psi to 196 psi.

Operating frequency is 433.92 MHz. Operating temperature range is -40 degrees Fahrenheit to 176 degrees Fahrenheit. And the storage temperature range is -40 degrees Fahrenheit to 185 degrees Fahrenheit.Now battery life on the batteries inside these sensors is one to one and a half years. They do use a standard button size battery of CR2032, just like this. And the dimensions on these sensors.

The diameter is going to be right at 1" and the heighth is also right about 1".So what I want to do is just show you if you go to replace the batteries in the sensors. You'll take your wrench, and use this end here, and put it on there and you'll just rotate it. Loosen it, and when you get it loosened enough, then you can just spin it off, and the cap will come off. And if you notice the battery right here is sandwiched in between there, so you just take a screwdriver and push out on one side. The battery will slide out and you can put in a new battery, but again, they do come with new batteries when you receive these.

And I mentioned the O-ring. O-ring is right here, these are replacement ones you can use, and the washers go right in here.Now to install this onto your valve stem, I want to show you that too. Just go ahead and tighten this back down, get it all snugged down. I'll just happen to use a rubber valve stem for this. What you'll do is take one of these brass nuts, spin it on to there, all the way down. Now when you go to install your sensor, you just go ahead and screw that on, and you screw that sensor on all the way until it seats. And then once it seats, just tighten it a little bit more to get it to register. And then just take that locknut, move it up onto there, and then you'll take this other end of this installation and that will fit right over the locknut and then you just snug that up. And once you snug it up enough, that will keep anybody from just coming along and removing these off your valve stem. So it does have a nice theft-resistant feature there that will keep anybody from stealing them.And then when you go to remove them you need to use this tool. Just go ahead and there you go, loosen that nut, spin that nut down. And that will allow you to unscrew the sensor from the valve stem. So that's very simple installation and removal. We'll go ahead and take the locknut off the valve stem. And again, as I mentioned it will work on both rubber valve stem and metal valve stems.But that should do it for the review on the four brass tire sensors for the TST tire pressure monitoring systems.

Dean C.


Can I get a replacement cap wrench tool?

Les D.


I unable to find anyone who sells just the wrench tool. You would have to fabricate the tool, or remove the anti-theft devices.

Info for this part was:

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