Can the HOTTAP be used inside? Mac Slodyczka June 21, 2017 02:45 Updated Follow No! The HOTTAP must be used outdoors and in a well ventilated area. Please refer to your User Guide for the appropriate setup. Related articles Can I use the HOTTAP on my River Boat, and can I attach it to my existing plumbing? HOTTAP User Guide The water is too hot Warranty Policy HOTTAP Jacket - User Guide Comments 0 comments Please sign in to leave a comment.