Johnson Controls W351AB-2 Humidity Control 321894-709 It provides the added benefit

It provides the added benefit of breaking both legs of the power supply for increased safety during servicing

Can I use the 171702 as a lead/lag pump controller

but it can also be used in combination with Type C valves or as part of a multi-pilot arrangement involving temperature or solenoid pilots

This fan blade is designed for Clockwise (CW) rotation when viewing the discharge side

Technicians should check for a "Pressure Switch Open" fault code on the furnace control board

Johnson Controls W351AB-2 Humidity Control 321894-709 It provides the added benefitThe Johnson Controls W351AB 2 Humidity Control is a professional grade electronic humidity control designed for precise relative humidity management in demanding environments like computer rooms, pharmaceutical manufacturing, and clean rooms. This System 350 electronic control operates bridging a 10% to 90% RH setpoint range with a field adjustable 2% to 10% RH differential. Engineered for flexibility, it features a SPDT relay output and a built in 12