It is a Grundfos UP15-18B7
Normally you can just replace the motor with out changing the entire unit. A new gasket should come with the new motor.
SOURCE: grundfos recirculating retro fit hot water out of the cold side
they have it installed wrong it is pulling from the wrong side, it is supposed to pull ot water up to the fixture but then if it stays hot on the cold side they are backwards
SOURCE: water works spa pump- need to remove wet end...
Most of these are reverse threaded. There should be a place on the shaft that is flat on 2 sides a 1/2" or 9/16" wrench will fit into the slots. If not look at the back for a place to use a hex key. Hold the wrench/ hex key stationary with the Impeller facing you turn clockwise.
I know this sounds backwards but it should work.
Hope this helps
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SOURCE: how to remove the impeller off my Type UP26-96F
Most of these style knock off in a counterclockwise direction. The impeller is usually threaded onto the shaft that way. A small brass drift and hammer should move it easily.
Testimonial: "Thanks guys-I didnt want to risk damage to the impeller before knowing for sure. (good work!)."
SOURCE: trying to replace motor cant figure out how to remove impeller,
Might be a screw in middle of impeller with reverse thread. If so, remove. Remove back cover of motor, hold center shaft with wrench and unscrew impeller from shaft.
SOURCE: I HAVE PROBLEM REMOVING THE IMPELLER ON GOULDS
GOULD ..OH BOY HERE WE GO... YOU MUST HOLD THE SHAFT AT THE BACK OF THE MOTOR WITH A 7/16 TAKE THE CAPACITOR OFF (LOOK AT HOW WIRES ARE ROUTED ) OR 1/2 INCH WRENCH THEN UNSCREW IMPELLER..
>BEST TO BRING IT TO YOUR LOCAL POOL PUMP MOTOR REPAIR GUY OR PUMP REPAIR ,USE YOUR ZIP CODE IN YOUR SEARCH.. DON'T TRY TO REPAIR THIS IF YOU BREAK IT IT WILL COST YOU !
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