




Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Robertshaw J10-809W is a 24V SPDT wall mount humidistat, designed to regulate the relative humidity of confined spaces, by cycling humidifying or dehumidifying equipment. This robust solution is ideal for applications such as portable humidifiers, dehumidifiers, and central HVAC systems.
Adjustable setpoint cam for precise humidity control
Nylon sensing element for faster response
Wall and duct mounting options available
Strong plastic frame with integral switch enhances durability. The improved woven nylon sensing element ensures 12 times faster response than traditional film nylon elements, providing greater stability of setpoints over dramatic changes in relative humidity.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!


