talk to you next week when i order more: was not happy with this product at all. moving my issue to a new topic. see what others have said about their experience working with me. gravity moves the water from the cold-water source to the heater and finally to the hot-water outlet. it is very nice and clean. it is good to bring it to my mind in those moments. a 2 times bigger bunny needs 2 times more food. 