Product Description
The Taco SR504-EXP-4 is a versatile and expandable 4-zone switching relay designed for optimal performance in hydronic heating and cooling systems. Engineered by Taco, this relay facilitates easy and efficient management of multiple heating zones, enhancing system functionality.
- Integrates with up-to 20 zones using optional PowerPort Cards and Add-on Power Controls.
- Features external indicator lights for quick diagnostic feedback and simplified wiring for easy installation.
- UL and CSA listed, ensuring compliance with safety standards.
Product Highlights
This Taco switching relay is not only compact but also features a fully enclosed snap-out design that makes service calls or installations straightforward. It is equipped with universal thermostat compatibility, making it a versatile choice for various HVAC applications.
Product Information
Standard Information
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Brand: Taco
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Model: SR504-EXP-4
Technical Specifications
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Dimensions: Width 10.25 inches, Depth 2.75 inches, Height 6.75 inches
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Weight: 3 pounds
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Power Input/Output: 24 Volt
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Max Amperage: 20
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Installation: Features screw holes for mounting, includes instruction sheet
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Compliance: UL and CSA approved
