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Taco®
Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil
Superseded

Superseder Products

Taco®: SR503-5

Taco®

Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

BrandTaco®
MFR Part NoSR503-4
TSCO Part Number427736

Warranty Length

  • 3 Years

Features

  • Front Diagnostic Lights
  • Switchable Priority
  • Simplified Wiring
  • Built-in Priority Protection
  • Compact Design
  • Fuse Protected
  • 100% Factory Tested
  • Isolated End Switch
  • Contractor Friendly PC Board Layout
  • Universal Thermostat Compatibility
  • 24 Volt Power Output for hard wired thermostats
  • Field Replaceable Transformer

Standard Approvals

  • UL Listed