Applicationthese Valves Consist of an Actuator Motor And Valve Assembly For Controlling The Flow of Hot And/Or Cold Water. The V4043 And V8043 Provide Two-Position, Straightthrough Control of Supply Water. The V4044 And V8044 Provide Two-Position, Diverting Control of Supply Water. The Valves Are Designed For Use With Fan Coil And Other Units Requiring Quiet, Compact Water Valves. The V8043Eand F Also Control Supply Water For Baseboard Radiators And Convectors. The V4043E And V8043J Provide Straight-Through Control of Steam Only. Models Are Available With 125 or 300 psi Operating Pressure.Featuresthe V4043 And V8043 Provide 2-position, Straightthrough Control of Water.The V4044 And V8044 Provide 2-position Diverting Control of Water.Compact Construction For Easy Installation.Manual Opener For Valve Operation On Power Failure. Valve Returns to Automatic Position When Power is Restored.Choice of Sweat or Flare Fitting Brass End Connections For Standard Copper Tubing.Motor Can be Replaced by Removing One Screw, Without Disturbing The Valve Body or Draining The System.Complete Powerhead May be Removed or Replaced Without Breaking The Line Connections or Draining The System.All Models Can be Installed Without Disassembling The Valve.Fits Under The Cover of Most Baseboards.Available With Integral Auxiliary End Switch (V4044B; V8043E,F; V8044E) to Permit Sequencing of Auxiliary equipment.V4043E And V8043J Provide Straight-Through Control of Steam. | Honeywell | V8044A1010