Viridian Infinitely Variable ECM High Efficiency Circulator, Less Flanges - Universal (120V)

The Viridian VR1816 circulator is an infinitely variable speed, high-efficiency wet rotor circulator with an ECM permanent magnet motor. Operating modes include infinitely variable fixed speed and self-adjusting constant pressure or proportional pressure variable speed.

Specifications:

• Connection type: Flanged, Universal
• Flange Code: U
• High-efficiency ECM motor uses up to 85% less electricity
• Infinitely variable speed settings to fine tune flow for any system
• Six pressure presets to fit the job
• Sure Start automatic unblocking and air purging mode

Features

• 18ft. Shut-off head, 16 gpm max flow
• ECM High-efficiency motor
• Easy to use dial to set operating speed or pressure control
• 3 operating modes:
  • Fixed speed - infinitely adjustable min/max settings
  • Constant pressure - variable speed - 3 constant pressure differential curves (5, 10, or 15 feet of head)
  • Proportional pressure - variable speed - 3 variable pressure differential curves (High, Med, or Low)
• Multi-color LED display showing operating mode and error code diagnostics.
• Use with a Taco ZVC Zone Valve Control or SR Switching Relay for ON/OFF operation.
• Integral Flow Check (IFC) is included in carton. Simply press into discharge flange if required.
• Dual electrical knockouts
• Whisper quiet operation.
• BIO Barrier® protects the pump from system contaminants