Simmons 503SB Check Valve 1" - Silicon Bronze CyberMonday This GFCI tester uses advanced

This GFCI tester uses advanced circuitry and a patent-pending proprietary design to precisely detect the required low resistance (less than 10ohms) on ground wire and provides a clear and easy-to understand single LED readout indication for Correct wiring or Bad Ground

easily change between the white or red light

Floating plastic tank de-icer

mirror finished

Simmons 503SB Check Valve 1" - Silicon Bronze CyberMonday This GFCI tester uses advanced"SIMMONS MFG CO" CHECK VALVE Size Ins.=1 Female Threaded Silicon Bronze Lead Free 400 PSilicon SI working pressure. bronze cast body and poppet contain less than 0. 05% Lead. Furnished with Buna 'N o ring, stainless steel spring, washer and locknut.