I have a SB Stewart Water Pump, but do not know what Stage it is, 2, 3 or 4. The shaft where the fan mounts is 3/4" and there is a casting number on the pump L11700.

Anyone have any way to identify exactly what Stage it is. It is new, but the casting number doesn't match any part numbers on the Stewart website.

All of the stage 1 part numbers start with a "1", all the stage 2 parts numbers with a "2" and so on. So I'm assuming it's a stage 1. I know that all the stage 1's are iron as well... the rest (2-4) are aluminum.

Thanks for the reply Casey,

It is aluminimum. I don't the think the number on it is a part number, more like a casting Number.

I have an E-mail into Stewart, hopefully I can clear it up.

Thanks Again