373-03187 | 2W N/C FxF 1 1/2" 25.0 24V NSR | Siemens Building Technology

2W N/C FxF 1 1/2" 25.0 24V NSR Our NCO-373-03187 contact is a normally closed (NC) flow switch. This switch is designed to detect the flow of liquid in a pipe and can be used to trigger an alarm or other action when the flow stops or exceeds a certain level. The switch has a 1 1/2" female NPT connection and is rated for use with liquids up to 25.0 GPM. The switch is also rated for use with pressures up to 24V NSR. We offer the best prices and fast shipping for your products!