AprilAire 700M Whole-House Humidifier, Manual Fan Powered Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,300 Sq. Ft., White: Faucet Aerators And Adapters: Amazon.com: Industrial & Scientific
Aprilaire 4851 Blower Activation Relay
Amazon.com: Aprilaire 4851 Blower Activation Relay for 500, 600 & 700 Series Humidifiers (Automatic Control) : Appliances