The 570DMM comes with a MHX3 Select-Control Manual Humidistat For Home Sizes up to 2,000 Sq Ft water distribution system for maximum evaporative performance Duraplast ultra-violet stable automotive-grade plastics Integral humidity control bypass damper, transformer, solenoid valve, Vapor Pad 10, saddle valve. Bypass humidifier mounts easily on the warm or return plenum and delivers 12 GPD at 120 F.
Complete Generalaire Model 570 Humidifier Unit Dimenesions: 11.875" x 13.375" x 9.5" Plenum Opening: 8.75" x 9.5" Bypass Duct: 6" Dia Capacity: 12 GPD For Homes Up to: 2000 sq ft