TST 507 parts are expensive.
I decided I should replace the batteries in my TST 507 sensors. In the past I have found that the O rings can not be reused as I had a couple break during assembly last time I replaced the batteri...
Forum Discussion
MEXICOWANDERER wrote:
On O Rings. WW Grainger sells a huge variety of o-rings. Worth a visit. Probably will find far better product at one quarter the price.
Beware of counterfeit junk.
Couldn’t agree more. Most consumer O-rings are cheap garbage. Waving one in sunlight for a few minutes will cause it to crack or crumble. Break out the calipers on the original part and then look at the Parker-Hannifin O-ring handbook to find an appropriate replacement.
Some places it is worth buying cheap parts. Not O-rings. Good ones are incomparably better than cheap ones.
