Emerson 2/2 Series 8210 Pilot Operated General Service Solenoid Valve, 2-way, normally closed, Brass body, 1-1/2FPT x 1-1/4in orifice, 22.5 Cv, Buna-N, 150/150/100 psid max@180 F air/water/lt oil, UL Safety Shutoff valve. Use Rebuild Kit 302284-Emerson