Specifications include, but are not limited to: New wall units must contain the following: Type K Replacement Hydronic 12,0000 BTU Cooling 208V Hard Wired Item # KWD12K00E0N Collar With Steam Coil ½” Copper Right Hand Supply ½” Left Hand Return Item # ACCKWDCOLLARSRSLR 8 ¼” K Cabinet 4 ½” to 6” Base Height Item # ACCKRE8D_4_1/2TO6H Schneider Electric Erie 2 Way 2 position Zone Valve ½” NPT or Sweat 2.5Cv 400 Psi Max – 250 F Max Temp Schneider Electric Erie Pop Top Actuator 2 position Normally Open 208V 50/60Hz 6.5 Watts High Temp 2 - ½” NPT Ball Valves 2 – ½” NPT or Sweat Unions 1 – ½” Vertical NPT or Sweat Steam Trap Type L Copper Tube 1 Electrical Junction Box Located Within Enclosure Near Control Panel K Cabinet Must Be Secured To Outside Wall