Description

Taco SR503-4 3 Zone Switching Relay

Features / Benefits:

• Taco Switching Relays Combine Clearly Labeled PC Board Layouts with Advanced Features that Allow for Total System Customization
• Whether Using Basic Priority Switching or the Advanced Features of the-EXP Controls, the Job is Made Easy
• External Indicator Lights Provide Instant Diagnostic Feedback, Making a Snap of Service Calls or New Installation Start-Ups
• 100 Percent Factory Tested
• Made in USA

Catalog

Instruction Sheet

Submittal Data Sheet