Viridian ECM VR1816

Taco Viridian ECM VR1816 for residential applications features infinitely variable speed or six pressure preset, while its VT2218 Delta-T variable speed temperature sensing circulator reduces fuel costs. The VR3452 has an extended operating range and is suited to chilled and hot water applications and features an optional communications module. The VR15 to VR30 models feature built-in, web-enabled options. www.taco-hvac.com