Most failures in the field stem from carbon fouling on the electrodes

Rely on this authentic Honeywell component to restore precise zoning and valve actuation without the need for extensive repiping

Using a 480V coil on lower voltage systems will result in significantly reduced wattage output and poor heating performance

or a specific pressure switch lockout code appearing on the control board LED

Smith gas water heaters

Johnson Controls DCPA-1.2 Power Supply Refrigerant Most failures in the fieldThe Johnson Controls DCPA 1. 2 is a light duty, regulated power supply designed to provide stable 24 VAC VDC power for HVACR controllers and field devices. Built for consistency in building automation systems, this unit accepts a 120 VAC input and maintains a precise 1% temperature stability, ensuring terminal equipment receives clean power regardless of environmental fluctuations. It is rated for an operating temperature range of 32 to 130F (0 to