| 1. | Honeywell Humidifier HE420A User Guide Honeywell READ AND SAVE THESE INSTRUCTIONS HE420A Steam Power Humidifier INSTALLATION INSTRUCTIONS APPLICATION The HE420A Steam Power Humidifier uses a thermal fan interlock control to provide humidification for the whole house The steam power humidifier is designed to work with high efficiency furnaces and heat pumps INSTALLATION IMPORTANT This product is for residential applications only and must be installed by a qualified HVAC con tractor Failure to comply |
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