132451AFC Caleffi 132 QuickSetter 1/2" NPT Male Union , Balance Valves .W/Temp Gauge.

Adjustable static balancing valve. Low-lead/lead free DZR brass body. Complete with: Built-in flow meter for direct reading, Inlet check valve, Fluid temperature range: 14 – 230 °F Max. working pressure: 150 psi Max. percentage of glycol: 50%.