Hydronic Kickspace Heaters 1/2" supply and return connections Require 1/2" I.D. fitting High/Off/Low switchTwinFlo III heaters provide an alternative to baseboard units in limited space. Can be installed in recessed, surface-mount cabinets. 115V, 60 Hz.UL Listed and CSA Certified. Item: Hydronic Kickspace Heater Heater Voltage: 120VAC Amps AC: 0.5 Air Flow: 103 cfm Width: 19-1/4" Depth: 12-3/4" Height: 4" Pipe Size: 1/2" Hz: 60 Number of Speeds: 2 Max. Operating Water Temp.: 200 Degrees F Correction Factor: 0.8 For Use With: 4E450,4E451,4E452,4E453,5E314,5E317 Manufacturers Warranty Length: 5 yr. Standards: cCSAus, UL Max. Heat @ 2GPM Flow @ 120 F Water Temp.: 4145 BtuH Max. Heat @ 2GPM Flow @ 140 F Water Temp.: 5670 BtuH Max. Heat @ 2GPM Flow @ 160 F Water Temp.: 7155 BtuH Max. Heat @ 2GPM Flow @ 180 F Water Temp.: 8650 BtuH Max. Heat @ 2GPM Flow @ 200 F Water Temp.: 10,135 BtuH Max. Heat @ 3GPM Flow @ 120 F Water Temp.: 4230 BtuH Max. Heat @ 3GPM Flow @ 140 F Water Temp.: 5795 BtuH Max. Heat @ 3GPM Flow @ 160 F Water Temp.: 7310 BtuH Max. Heat @ 3GPM Flow @ 180 F Water Temp.: 8840 BtuH Max. Heat @ 3GPM Flow @ 200 F Water Temp.: 10,360 BtuH