ATTENTION ALL CONSUMERS! STAY AWAY FROM THESE COMPANIES: MR TANKLESS, ADVANCED TANKLESS, TANKLESS 4 LIFE, AND TANK BUSTERS. THEY ARE ALL AFFILIATED AND ALL SCAM ARTISTS. THEY WILL TAKE YOUR DEPOSIT FOR THE PURCHASE, OR YOUR CREDIT CARD NUMBER AND BILL YOU BEFORE INSTALLATION IS COMPLETE. IF YOU CANCEL, THEY WILL NOT PAY YOU BACK!! THEY ARE PASSING OFF UNITS AS BEING NEW, WHEN IN FACT THEY ARE SELLING "USED" UNITS. BUYER BEWARE. THEY USE UNLICENSED SERVICE TECHNICIANS THAT WILL LEAVE YOUR HOME IN A STATE OF GAS DISREPAIR. YOU... read full review »