Features:

• Front Diagnostic Lights
• Switchable Priority
• Built-in Priority Protection
• Simplified Wiring
• Works with 2, 3, or 4-Wire Zone Valves
• Compact Design
• Fuse Protected
• 100% Factory Tested
• Two Pump End Switches can control up to 3 pumps
• System, Secondary and DHW
• Contractor Friendly PC Board Layout
• Universal Thermostat Compatibility
• 24 Volt Power Output for hard wired thermostats
• Field Replaceable Transformer
• UL Approved Extended