Bryan Steam presents its Triple-Flex[TM] TF 150, 200 and 250 ultra high-efficiency condensing flexible water tube boilers with:
* Inputs from 1,500 to 2,500 MBH, or up to 3,000 MBH on the TF 300 only.
* Sub-30 PPM of [NO.sub.x] using a hybrid metal fiber burner.
* A minimum thermal efficiency of 90 percent in worst-case condensing boiler operating conditions, such as 160[degrees] return water or …
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