Fibropool 1 1/2" Posi-Close 3 way valve. It features 1 1/2" slip ports. Your 1 1/2" pipe will glue inside the ports. The valve is actually a TEE valve, perfectly designed for manifold making or heater by pass installations. CPVC construction allows temperature and impact resistance. Serviceable, but does not need grease or lube, PTFE seats are lubeless. Ideal for heater and chemical dispenser/ salt generator installations.