Asco Catalog No. 8210G95, 24V DC. Red Hat II, 2-way General Purpose Solenoid Valve, Brass Body, NBR Seals, 3/4" FNPT Threaded Ends, 24VDC, Normally Closed, 0-40 Psi Air-Gas, 0-40 Psi Water-Liquid, 150F Maximum. Detailed Specifications: http://thevalveshop.com/menu/auto/asco/8210.html