Call us (847) 773-0645 SearchLog In 0 Cart HVAC Controls Sensors Thermostats Plumbing Electrical Line Card About Us Support Get A Quote HVAC Humidity Controllers All Manufacturers Johnson Controls Humidity Controllers HUMIDITY CONTROLLERS Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new W351AB-2C | HUMIDITY CONTROLLER; SPDT; 10-90%RH; DIFF 2-10%RH; NO SENSOR | Johnson Controls (OBSOLETE) Brand: Johnson Controls SKU: W351AB-2C $414.61 each − + ADD TO CART W351PP-1C | PROPORTIONAL HUMDITY CNTL | Johnson Controls (OBSOLETE) Brand: Johnson Controls SKU: W351PP-1C $710.14 each − + ADD TO CART W351PN-2C | PROPORTIONAL HUMIDTY CNTL; W/ HE-6310-3 DUCT MOUNT | Johnson Controls Brand: Johnson Controls SKU: W351PN-2C $640.79 each − + ADD TO CART W351PN-1C | PROPORTIONAL HUMIDTY CNTL; W/ HE-6300-3 WALL MOUNT | Johnson Controls (OBSOLETE) Brand: Johnson Controls SKU: W351PN-1C $1,351.00 each − + ADD TO CART W351AA-2C | HUMIDITY CONTROLLER; W351AB-2C W/ HE-6310-3 DUCT MOUNT TRANSMITTER | Johnson Controls Brand: Johnson Controls SKU: W351AA-2C $612.66 each − + ADD TO CART W351AA-1C | HUMIDITY CONTROLLER; W351AB-2C W/ HE-6300-3 WALL MOUNT TRANSMITTER | Johnson Controls (OBSOLETE) Brand: Johnson Controls SKU: W351AA-1C $1,216.00 each − + ADD TO CART THERMOSTAT TYPE Line Voltage Thermostats MORE ABOUT HUMIDITY CONTROLLERS We carry six humidity controllers to help you provide the right humidity for your HVAC projects. At Blackhawk Supply, we partnered with Johnson Controls to offer their humidity controller models. All our humidity controls are for contractors looking for a deal with bulk packages of controllers. The minimum order is for 10-12 units. All our models are part of the W351 and WP351 series. Both series’ features include: 5-pin connectors that eliminate wiring between modules Field selectable humidification or dehumidification modes Surface or DIN rail mounting Both series have a range for the rooms’ relative humidity (RH) between 10 to 90% RH. The differential for the W351 is 2 to 10% RH, and the W351P is 5 to 20% RH. WP351 CHARACTERISTICS While the W351 and WP351 are similar, they also have a number of separate features that make them unique products. WP351 includes additional features like: Adjustable differential and setpoint Field selectable proportional only or proportional plus integral control ten Segment LED displays percent of the output signal Minimum output adjustment W351 CHARACTERISTICS The W351 helps with the humidity control for modulating steam valves that work on fluid heat exchanger, boilers, and other commercial applications. Standard applications for the W351 include: Computer rooms Clean rooms Pharmaceutical manufacturing process Space humidity Humidity monitoring and display High/low humidity alarm indication DO YOU HAVE ADDITIONAL QUESTIONS ABOUT THE HVAC HUMIDITY CONTROLLERS? Both the WP351 and the W351 series humidity controllers help you manage the ever-changing humidity in your HVAC systems. Choose the series that works best for your needs. Let us know how if you have any questions about how the HVAC humidity controllers help with your next HVAC project. Contact Blackhawk Supply at 847-773-0645, so we can answer your questions today. COMMITTED TO CUSTOMER SATISFACTION AS EXPERTS INHUMIDITY CONTROLLERS (847) 773-0645 Recently Viewed Popular Products View all → EB-EMSSI-01 | Ecobee | Energy Management System Thermostat Ecobee SKU: EB-EMSSI-01 − + ADD TO CART 7205 | Universal Smart Wi-Fi Programmable Thermostat 3H / 2C | Braeburn Braeburn SKU: 7205 − + ADD TO CART URTRS213B | METER SOCKET RING TYPE OH/UG 200A | Square-D by Schneider Electric Blackhawk Supply SKU: URTRS213B View Details prev next FOLLOW US Home Line Card About Us Contact Us Shipping Search Terms of Service Sitemap Blog Privacy Policy Returns Order Status © 2021 Blackhawk Supply. All Rights Reserved *Exclusions Apply