What should I do if my SteriPEN is not operating as I expected. Ainsworth Kohler July 14, 2017 01:34 Updated Follow Please contact our technical support team at firstname.lastname@example.org or 888-826-6234. Related articles Before you call or contact tech support!!! How far should I immerse the SteriPEN ino the water I'm treating? The Origional Steri-Pen Adventurer / Traveler mini Adventurer Opti Comments 0 comments Please sign in to leave a comment.