Tony Liew is the sales person's name at Choong Ying. bad part i lost the stupid receipt. misplaced it in my new house. big time! You can call cornell n ask them for refund if u have your receipt. I ask Choong Ying to help me trace my old receipt which was only last year and they cant. crap! im werking in admin line n filling system shud be kept for 5 yrs the least. freaking mad! had enuf of multi point heater. im gonna buy storage tank heater from Ariston. Guess what? it tripped again and from my last talk with you, it tripped like another 3 times and finally, cornell svc ctr says they wont be repairing anymore. wth! my most regertful appliance bought.