WB200 Winland with the M0010106 probe which used to be the 1040 probe. The price through our office is $92 dollars. If you order the M0010106 separately they are $30 each and you can connect up to 6 on one kit.

American Security & Fire, Inc. (801) 263 6002

TA40 is a low temperature sensor that activates at 40 F. and the cost is $25 each