dual side heat ap cb-70 rack probe placement

[WhiskeyTim]

Got a cb-70 rack from AP with the dual side heat. Where do I put the probe ?. The shelfs have the probe notch in them but won't the sides get to hot with it there

[bcr229]

What do you mean by dual side heat?

[WhiskeyTim]

Two heat mats. One on either side of tubs