The boiler adopts an environmentally friendly combustion method - full premixed combustion, and the gas and air are precisely adjusted and premixed in advance to ensure more complete combustion.
The boiler adopts a double-drum longitudinal "D" type arrangement structure; water, steam or steam-water mixture flows in the pipe; flame burns and flue gas flows outside the pipe, forming extremely fast steam-water.
· By designing hot water supply and return water temperatures lower than conventional designs it is possible to increase the efficiency of the boiler as more water vapor is condensed from lower hot water return temperatures and more energy is recovered that would otherwise be discharged out the flue providing an efficiency increase of approximately 10% to 12% compared to
· Improvements in modern technology require changes in the way you design COVID-19 Message to Propane Customers Learn More » Learn More
Today using should be designed with the lowest supply and return temperature feasible while still adequately heating the space It should be noted that return temperature is the driving factor that dictates efficiency so the return temperature with this consideration should be the goal
In summary for optimal operation condensing boiler systems this is 140°F in the Bay Area and 125°F in Denver) ideally around 80°F or lower Non-condensing boiler systems require the return water temperatures to be above the dew point of the boiler exhaust (hence the warm-up loops)
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