Honeywell Manual Control Humidistat (H8903 series) - Used -

See Details;  Used - Removed from a Working System  Manual Type Humidistat works with most Bypass Humidifiers Most commonly parts like this one have been Manufactured oversees  MSRP List $ range (NEW Humidistat only)- found on many most popular online sellers $71.00 - 79.00 Honeywell Manual Dial type Humidistat designed for most Honeywell Bypass Models units - also usable on multiple other Brand Bypass Humidifiers as well as can be compatible for many other units when applied properly and professionally. (Includes: (1) New Transformer) which is normally required as part of proper operation and humidity control. And the Factory seal for Duct installations Accurateness is dependent on the installation type used. Use caution when removing or installing control on to back plate to prevent damage. Requires 2 wire Thermostat type wire (18/2 gauge). Note: Voltage uses: 24volt circuit powered by primary appliance control system. Every installation requires flowing the installation instructions EXACTLY. We've installed many of these on multiple Types of humidifier installs Not much to these controls - They actually only fail if they're installed improperly or they are misused or abused Most or All problems or complaints only occur when not installed professionally or not understanding proper installation procedures. Simple to operate - Set humidity at desired % - refer to manual - Recommended installation  into ducting air stream away from humidifiers output so driest air can enter the sensor inside the back of the control by mounting by cutting a hole into the Return Duct.. Installation Instructions show where and how to install correctly. Follow them... Standard installations Required - into a Forced Air Heating System return duct. Follow the included Honeywell Installation Instruction Manual Our Disclaimer:   Simple Recommendations  -  this Humidistat should only be installed by a Qualified Trained HVAC Technician or someone with professional Electrical Experience - Absolutely NOT recommended for anyone lacking Electrical Experience - which includes many Handymen or any Unskilled Beginner property owners. This is generally the reason for complaints, and the lack of understanding of the reason for improper operation resulting in a complaint. It is the Buyers Responsibility to follow the included Installation Instructions Shipping Details - No Returns - Shipping within Continental US Only Shipping Notes:

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