Anvil 0312822166 Metal Pipe Union Straight, 1 1 2 in x 1 1 2 in, Threaded x Threaded, Class 150, 300 psi @ 150° F, Malleable Iron, Black 4935705 Hydraulic Fluid Shape Straight Type Hydraulic Fluid Shape Straight Type Adapter Cam and Groove Component Socket Socket Locking Type Locking Lever Flow Control Open Connection Style Cam and Groove Female × Threaded Female Coupling Size 2 Socket ID 2 1 2" Pipe Size 2 Thread Type NPT Dash Size 32 Material Aluminum Number of Levers 2 Lever Material 316 Stainless Steel Pull Ring Material Zinc Plated Steel Gasket Material Buna N Rubber Maximum Pressure 250 psi @ 72° F Temperature Range 65° to 250° F Length 3 3 32" Compatible With Andrews Voltage 18 30VAC Stages Heat 1 Color White Control Range 45 Degrees F to 90 Degrees F System Switching Heat Cool Off Stages Cool 1 Dual Transformer Compatible Yes Power Method Dual 750mV Compatible No Fan Switching Auto On Dehumidification Control No Humidification Control No Occupancy Sensor No Filter Indicator No Low Battery Indicator No Terminal Designations RC Oils Standards ANSI B1 Medium pressure steel and iron threaded pipe fittings twist onto medium pressure pipe of the same thread size