Fireboy-Xintex SV-1 1/4" Solenoid Valve [SV-1]SV 1 1 4" Solenoid Valve The SV 1 solenoid valve is the original equipment included with: C 1 Gas Controller S 1A Propane Detector S 2A Propane Detector Use this 1 4 solenoid valve as a replacement if needed. It opens the flow of propane when powered and automatically closes with low or not current for added safety. 1 4 female NPT inlet, 1 4 male NPT outlet. 12 VDC. Rated for 0 312 psi and UL Listed. Includes one 3 8 Male Flare x 1 4 Female NPT brass