Since we just got natural gas service to our house, I'm working with a local contractor to replace my current oil boiler with a new gas mod/con. The installer sells Burnham, and I have quotes for two models - one is the water tube HX K2, and the other is the fire tube HX Aspen. He says they both perform about the same and require the same amount of maintenance, but the price difference is around $, so it's a big difference. He recommended going with the K2 but he can support either one. Everyone here seems to think that fire tube is the way to go, though, so I'm not sure that a water tube is a good investment. I also called Burnham and, in their opinion, they're equivalent. They said that west coast installers prefer fire tube, and east coast likes water tube. Would the K2 be a mistake?
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