CL12DI
Roto-Hammer CL-12 Clamp-On Chain Wheel 9-1/4" - 12-1/2", Ductile Iron
You will find that the GPP7460 has a long cord that reaches across most rooms.
Roto-Hammer CL-12 Valve Chain Wheel, Never Used, No Box
A nice touch with the 7000-1GAL is the easy-to-read measurement markings on the side.