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Old 02-24-2017, 06:20 PM   #1
Razrbk
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Tst 507

For those of you who have the TST 507, would you recommend the flow through or non-flow through? Why?
 
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Old 02-24-2017, 06:26 PM   #2
mlh
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I have the non flow through but if I had to do over I would go with the flow throug. Why, there is no reason that I know of not to have the flow through.
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Old 02-24-2017, 07:16 PM   #3
jfaberna
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I have flow thru and would recommend them for sure. You will have to add air once in a while so you don't want to have to remove the sensor to add air.
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Old 02-24-2017, 08:01 PM   #4
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But if the battery goes dead, you have to send the flow thrus back, right? I think for the little effort to remove the sensor to add air, it is worth it to be able to be back on the road immediately if the battery goes dead. Also, i think it was $20 to send them back in - or is my memory way off?
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Old 02-24-2017, 08:10 PM   #5
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I just replaced the batteries on my 507 flow through sensors. You just remove 2 very small Philips screws and replace the coin battery. I can't remember the number, but something like CR1632. Always check the o-ring when changing the batteries.
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Old 02-24-2017, 08:20 PM   #6
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Hmmm. Maybe they changed things or I was thinking of a different model. Good info.
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Old 02-24-2017, 08:33 PM   #7
K0LCB
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I like the flow through! I've change batteries in mine a couple times. Batteries are good for a little more than a year
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Old 02-24-2017, 10:26 PM   #8
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Same here. Flow thru and change the batteries myself. I tend to get about two years out of them.
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Old 02-24-2017, 10:43 PM   #9
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I have the flow through also. I just replaced the batteries. You do have to treat the covers rather gently as the ears that the screws go through are easily cracked or broken. Very happy with the units.
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Old 02-25-2017, 10:35 AM   #10
Razrbk
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Thanks for your responses. Sounds like the flow throughs are most popular.
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Old 02-25-2017, 01:15 PM   #11
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Anyone change to metal tire valve stems? How are the original rubber tire valve stems holding up with the flow through? That's my only hesitation. The flow throughs just seem the easier.
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Old 02-25-2017, 03:22 PM   #12
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I did change over to metal stems as recommended. Some have said that the centrifugal force with the weight of the sensors can cause the stems to crack and leak. Didn't want to take that chance.
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Old 02-25-2017, 06:21 PM   #13
richfaa
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We have the non flow through but would get the flow through if we had to do it again.
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Old 02-26-2017, 07:45 AM   #14
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I am looking at this decision as well and the only concern I had on flow through is they seem to stick out a fair amount more and I had a concern they could get hit/damaged easier because of their length. Is that a concern or are the pictures just decieving
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Old 02-26-2017, 07:55 AM   #15
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They do stick out farther than the older version of TST sensors that I used to use, but I haven't experienced any problems with them hitting anything. I've had them on for three or four years now.

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Originally Posted by mjammersc View Post
I am looking at this decision as well and the only concern I had on flow through is they seem to stick out a fair amount more and I had a concern they could get hit/damaged easier because of their length. Is that a concern or are the pictures just decieving
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