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The Aprilaire 63 is a an automatic digital modulating control (ADMC) package f... The Aprilaire 63 is a an automatic digital modulating control (ADMC) package for the Aprilaire 801 steam humidifier. It comes with a modulating humidistat duct sensor blower activation relay and outdoor temperature sensor. Its purpose is to... more

The Anden Model 5558 Humidistat makes it easy to check relative humidity level... The Anden Model 5558 Humidistat makes it easy to check relative humidity levels in each grow area. This precision digital humidistat is designed specifically for the Anden steam humidifier. Selectable Celsius or Fahrenheit scale Outputs controlling... more

The AprilAire 720A Whole-House Fan-Powered Evaporative Humidifier is an advanc... The AprilAire 720A Whole-House Fan-Powered Evaporative Humidifier is an advanced solution designed to deliver optimal humidity control for homes up to 6 250 square feet. With the ability to provide 21 gallons of humidification per day this... more

The model 500 bypass humidifier is ideal for smaller homes. The unit delivers ... The model 500 bypass humidifier is ideal for smaller homes. The unit delivers 12 gallons of moisture per day. Model 500 humidifiers can be plumbed to hot water to improve efficiency in heat pump applications. The 500 includes an automatic digital... more

the aprilaire 400 humidifiers a 24 volt drainless whole house humidifier with ... the aprilaire 400 humidifiers a 24 volt drainless whole house humidifier with automatic digital control. the aprilaire state of the art humidifier utilizes gravity to pull water in and disperse it into the air utilizing 100 percent of water to add... more

The AprilAire 620A Whole-House Bypass Evaporative Humidifier with HydroCore Te... The AprilAire 620A Whole-House Bypass Evaporative Humidifier with HydroCore Technology is an advanced solution designed to deliver optimal humidity control for homes up to 5 300 square feet. With the ability to provide 18 gallons of humidification... more

The AprilAire 620M Whole-House Bypass Evaporative Humidifier with HydroCore Te... The AprilAire 620M Whole-House Bypass Evaporative Humidifier with HydroCore Technology is an advanced solution designed to deliver optimal humidity control for homes up to 5 300 square feet. With the ability to provide 18 gallons of humidification... more

Aprilaire® 50 Current Sensing Relay (24 V Application)Features: This Whole-Ho... Aprilaire® 50 Current Sensing Relay (24 V Application)Features: This Whole-House Humidifier features a built-in bypass damper and is designed for use in small to mid-size homes with automatic digital control for premium performance and... more