Battery backup's a smart move, hadn't thought about that for infrared heaters. Do you think a small generator would be overkill for just keeping pipes...

Totally agree on placement being key. I've had sensors drop out randomly until I moved them literally six inches—crazy how finicky they can be. Curiou...

Good point about the scratches—wish I'd read this earlier. Quick question though: do you guys usually wrap plumber's tape clockwise or counterclockwis...