the 19 Series is also National Board capacity certified for air and non-hazardous gas service under Section VIII

The pilot-operated diaphragm design requires a minimum pressure differential for operation

Frequent symptoms include the gas valve failing to open despite receiving 24V from the controller

Key Benefits Dual-Voltage Compatibility: Operates efficiently on both 208V and 240V AC systems without performance degradation

Johnson Controls A350PS-2 Temperature Control Els PW 29614 the 19 Series is alsoThe Johnson Controls A350PS 2 is a field proven electronic temperature control designed for precise Proportional plus Integral (P+I) control in demanding HVACR applications. Operating on 24VAC, this System 350 module provides a versatile 0 10VDC or 0 20mA analog output, making it a reliable choice for modulating valves, dampers, or variable speed drives. With a broad setpoint range of 90 to 250 degrees F (32 to 121 degrees C) and an adjustable