Base model - Values represent a 1000000 Btu/hour gas-fired hot-water operated for 1500 full-load hours per year with a thermal of 80% The performance of this standard unit is based on ASHRAE 901-2007 Thermal (E t) - Represents a output divided by input as defined by ANSI Z2113 A thermal rating should be used to
Read More· A is capable of the water vapor or steam in the otherwise wasted gases in the tubes into liquid water This phase change process releases additional which is collected and used to further improve the of the Figure 3 Vertical firetube Source: Thermal Solutions
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