SR504-EXP-4 | 4 Zone Switching Relay w/ Priority | Taco

SR504-EXP-4 Taco 4Zone Switching Rly W/Priority The SR504-EXP-4 from Taco is a 4-zone switching relay with priority, designed to optimize the performance of hydronic heating and cooling systems. This relay provides superior control over multiple zones, ensuring efficient and reliable operation. Key Features: * 4-zone switching capability * Priority control for optimal zone management * Compact and DIN-rail mountable design * Compatible with a wide range of Taco zone valves * Easy installation and operation Benefits: * Improved zone comfort and efficiency * Reduced energy consumption * Extended system life * Enhanced reliability and performance * Simplified installation and maintenance Applications: * Hydronic heating and cooling systems * Multi-zone hydronic systems * Commercial and industrial buildings Shop our HVAC supply store today for the best prices and fast shipping on your Taco 4Zone Switching Rly W/Priority (SR504-EXP-4)!
Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allowfor total system customization. Whether using basic priority switching or the advanced featuresof the -EXP controls, the job is made easy. External indicator lights provide instant diagnosticfeedback, making a snap of service calls or new installation start-ups. All switching relays are ULand CSA listed, use standard "ice cube" replaceable relays and are compatible with conventionaland programmable thermostats.

Whether you want to expand up to 20 zones or utilize the advanced features of the PowerPortCards and Add-on Power Controls, Taco -EXP controls allow for simple integration of advancedfeatures. Plug in any combination of cards and controls to optimize the operation of any system.

Features include:

• External Indicator Lights
• Switchable Priority
• Simplified Wiring
• Fully Enclosed Snap-Out Relays
• Compact Design
• Fuse Protected
• 100% Factory Tested
• Isolated End Switch
• Contractor Friendly PC Board Layout
• Universal Thermostat Compatibility
• UL and CSA Approved
• 24 Volt Power Input or Output Terminal
• Extended 3 Year Warranty
• Made in the USA

Additional -EXP Features

• Plug-in PowerPort Card Slots
• Add-on Power Control Plug
• Expandable to 20 Zones
• Interface with -EXP Zone Valve Controls