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Armstrong Flo-Direct (R) Hot Water Heater
Manufacturer: Armstrong-Lynnwood
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Description:
How the Flo-Direct® gives you top performance and efficiency in a direct-fired water heater
A series of calibrated dispersion nozzles introduces water into the top of the unit. Cold water travels down through a bed of multifaceted stainless steel packing rings that break the water into smaller and smaller droplets.
A burner mounted on the top of the unit fires downward through a center flame tube. Incoming cold water keeps the flame tube cool, and all of the fuel gasses are consumed within this flame tube. The design allows all combustion to take place within a dry, cool environment, and the process produces very low levels of nitrous oxide (NO) and carbon dioxide (CO2).
Heat from the flame enters the lower chamber from the bottom of the flame tube and travels slowly upward through the packing rings. The descending water comes in contact with the bed of packing rings, where heat transfer takes place.
This “rain” of hot water then falls into the lower chamber and is pumped out to the storage tank. Water temperatures from 130˚ to 185˚F (54˚ to 85˚C) are available within 15 to 20 seconds after the unit starts. Outlet water temperature is set with a valve controlling the incoming water flow. More incoming water results in cooler outlet water temperatures. Less incoming water produces hotter outlet water temperatures. The products of combustion are exhausted at the top of the unit, and they are normally 80˚ to 100˚F (26˚ to 38˚C) in temperature.
The result
Flo-Direct® produces potable hot water within 20 seconds of starting. No fuel is consumed for warm-up or idle time. No energy is lost through steam conversion or within a heat exchanger. Virtually all of the fuel energy is transferred to the water.
No internal moving parts
Low-temperature exhausts (80˚ to 120˚F/26˚ to 49˚C)
Heat-exchange efficiency of 99.7% or more
Water treatment not required
Total stainless steel construction
Takes up little floor space
Ten-year warranty on structure
Capacities up to 25M btu/hr
 | | Model Number: | Unit Price | 1.800.752.0556 | | Flo-Direct (R) | Call For Quote | Request a Quote | |
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