Robertshaw J10-821 HumidistatRobertshaw J10 821 is a 24 120V SPST horizontal wall mount humidistat designed to deliver precise humidity control. This unit operates over a 2080% relative humidity range, helping protect wood, fabrics, electronics, and moisture sensitive equipment while improving comfort and indoor air quality. With dual voltage compatibility, it fits a wide range of HVAC systems, delivering consistent performance in both residential and commercial environments.

Type: Resistor Board

Type: Draft Control for stable combustion and efficient heat output

it combines precise positioning

Cast aluminum body

5 inches WC delivers steady

Exact fit for Carrier 330539-753

and compatibility with common control systems

and maintain compliance in critical heating applications

Designed for hazardous locations

This compact replacement part is designed to fit Carrier HC680001 units and other 230V furnace systems that require a 1/16 HP inducer motor

this inducer blower integrates with your existing HVAC system to promote smoother startup

Spring Return actuation for general close-off