Engineered for residential HVAC zoning and light commercial retrofits

The use of heavy-duty materials ensures superior corrosion resistance and structural integrity

When system pressure exceeds the preset limit

Secure Shaft Fit: Includes a high-grade locking collar for stable 1-inch shaft alignment and reduced run-out

optimizing overall cooling efficiency

Johnson Controls PSM19A24DAS Power Supply R-410A Engineered for residential HVAC zoningThe Johnson Controls PSM19A24DAS is a heavy duty linear DC power supply engineered specifically for technical professionals managing building automation and HVAC control systems. This track mount isolated power supply accepts a standard 120 VAC input and delivers a highly stable, adjustable DC output ranging from 1. 5 to 28 VDC. For contractors working with sensitive microprocessors or control boards, the isolated design prevents electrical noise and