Plumbing Supplies

Aurorad APL210N Valve Position Indicator Limit Switch Box Open And Close Sensor (Size : Iron stand) Valve position sensor 1. iron stand is black, stainless steel is silver. 2. for ball valve, butterfly valve, check valve and so on 3. G1/2" wire port Aurorad APL210N Valve Position Indicator Limit Switch Box Open And Close Sensor (Size : Iron stand)