SR501-EXP-1 Taco 1 Zone Switching Relay With Priority And 3 Ports

• Single Zone Switching Relay
• Item Switching Relay
• Type Zone, Expandable
• Applicable Standard UL, CSA
• Switch Type DPDT
• Overall Dimensions 4-1/4" Width x 2-3/4" Depth x 5-1/4" Height
• Current Rating 5 Amp, 0.18 Amp Thermostat
• Input Supply Rating 120 Volt AC
• Inclusions/Features External Indicator Light, Snap-In PC Board
• Application Boiler
• Number of Zone 1
• Warranty 3 Year

Install Instructions

Taco Switching Relay Combine Clearly-Labeled Pc Board Layout with Advanced Features that Allow to Completely Customize System; Whether Using Basic Priority Switching, Taco Plug-In Power Port Cards/Add-On Power Control, Tailoring the System has Never Been Easier; External Indicator Light Give Instant Diagnostic Feedback, Making Service Calls/New Installation Start-Ups a Snap; Use Standard "Ice Cube" Replaceable Relay and are Compatible with Conventional and Programmable Thermostat; Universal Replace Ability; Simplified Wiring; Fuse Protected; Contractor Friendly Pc Board Layout; Universal Thermostat Compatibility; Witching Relay can be Expanded up to 20 Zones with Priority; With Exclusive Taco Power Port Plug-In Card, can Easily Add Such Features as Post Purge, Priority Protection and Pump Exercise; Any Expandable Switching Relay can also Interface with Boiler Reset Control and Injection Mixing Add-On Power Control; Extended 3 Year Warranty