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It provides the added benefit of breaking both legs of the power supply for increased safety during servicing
when paired with the correct D-9502 positioner
It features an 11 3/4-inch diameter and a 0
Industrial Durability: Built for atmospheric and direct-fired burner applications where reliable performance in ovens or furnaces is critical
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