Honeywell He440a, He440a1005, He440a1003, He440, He420b Manual
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QWhat's New on the HE420
Steam Power Humidifier?
AA common question you may receive from dealers and/or homeowners in regard to the recently released HE420A1009 Whole-House Steam Power Humidifier is what makes this model better than it's predecessors - the HE440 (2000-2006) and the previous HE420 (1997-2000)?
The table provided below illustrates the new features/benefits of the HE420A1009, and what makes it better than before.
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HE420A1009 |
HE440A1005 |
Former HE420 |
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Steam Humidifier |
Steam Humidifier |
Steam Humidifier |
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Warranty |
5 Year |
5 Year |
1 Year |
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Capacity (gallons) |
13 |
12 |
13 |
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per day |
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Square Footage |
3000 |
4000 |
3000 |
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Covered |
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Water Filtration |
• Automatic Flushing |
• Reverse Osmosis |
• Auto Flushing Timer sold |
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Timer packaged with |
Filtration |
separately |
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HE420A, cleans tank |
• Chlorine Filtration |
• Chlorine Filtration |
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with minimal water |
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usage. |
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• Chlorine Filtration |
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Installation |
• Mounting Bracket Frame |
• Mounting Template |
• Mounting Template |
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Requirements |
(eliminate need for |
• S-Cleats |
• S-Cleats |
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S- cleats vastly reduces |
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• Mounting Bracket |
• Mounting Bracket |
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install time) |
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SPDT Relay for |
Yes |
No |
No |
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standard wiring |
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instruction |
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Safety Control Relay |
Yes |
No |
No |
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Thermal Fan Switch |
Yes |
Yes |
Yes |
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provides Moisture |
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On Demand |
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Humidistat Control |
• Auto or Manual |
• Auto or Manual |
• Auto or Manual |
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in one Control |
in separate controls |
in separate controls |
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• Won't humidify if over |
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45% RH indoors, or over |
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50o F outside |
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50-9603 RL 01/07
©2007 Honeywell International Inc.
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