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Efficiency: 5 pass boiler design makes Unilux more efficient than the 4 pass design others offer. Unilux offers 85% efficiency on their gas fired water boilers. Refractory: 7 inch thick refractory composite walls (9 in rear) make Unilux industrial grade compared to the 3" of fiber blanket used by others. That's even more than 5! Casing: 5" pressure rating with Unilux compared to 2" in others. 5 year warranty compared to 1 year by others Tubes: Unilux tube bending machinery does not wrinkle the tube or flatten the bends. That's different compared to others! Unilux also only uses tubes that are 1-1/2" diameter or larger*. That makes chemical treatment something like 5 times easier and the likelihood of tubes plugging something like 50 times less likely. Cleaning: ALL heating surfaces are able to be cleaned. That too is different!* Other watertube designs don't let you. Something just less that 50% of the surfaces are left dirty with their designs. Balanced: Unilux boilers have tubes arranged so that the gas flow is balanced through each of the 5 gas passes. That too is different. Other designs can be prone to operational problems because gasses tend to "bunch up" toward the side of the boiler. Insulation: The Unilux design with industrial grade insulating surfaces yields heat losses into the room that are about 50% of other boilers.
* Unilux does build replacement tubes for Bryan boilers that use 1" tubes however. They too are built with round, not flattened, bends. The tube ferrules are more robust as well. * See our technical article showing statistics for why 1" tubes have a much faster failure rate. |
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