Heated is better but non-heated may work too.
https://www.amazon.com/WRAP-Pipe-Heating-Cable-Built/dp/B0002YWM2I/ref=asc_df_B0002YWM2I/?tag=hyprod-20&linkCode=df0&hvadid=198079373928&hvpos=&hvnetw=g&hvrand=3100388974516926496&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9029578&hvtargid=pla-404028751407&psc=1
https://www.amazon.com/WRAP-Pipe-Heating-Cable-Built/dp/B0002YWMM8/ref=asc_df_B0002YWMM8/?tag=hyprod-20&linkCode=df0&hvadid=167155689281&hvpos=&hvnetw=g&hvrand=3100388974516926496&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9029578&hvtargid=pla-304692291586&th=1
https://www.homedepot.com/p/Frost-King-2-in-x-15-ft-Foam-and-Foil-Pipe-Wrap-Insulation-Tape-FV15H/100174724?source=shoppingads&locale=en-US&pla&mtc=SHOPPING-CM-CML-GGL-D26P-026_002_AIR_CIRC_ACC-NA-NA-NA-PMAX-4061067-NA-NA-NA-NBR-NA-NA-NEW-PL3_PMax&cm_mmc=SHOPPING-CM-CML-GGL-D26P-026_002_AIR_CIRC_ACC-NA-NA-NA-PMAX-4061067-NA-NA-NA-NBR-NA-NA-NEW-PL3_PMax-71700000103189470--&gclid=Cj0KCQiApKagBhC1ARIsAFc7Mc5jmSDRx9vwifTPuhMp-SLafJNEnZyKiOxVJU3n59PuxjlB_EK4HQIaAqnxEALw_wcB&gclsrc=aw.ds