WebOct 31, 2014 · Pool Motor Frame Types 1. THRU-BOLT – 48 Frame Also known as 48 Frame, Thru-Bolt motors are used on hot tubs, jetted tubs and aboveground pool pumps. … Webframe sizes having two-digit designations as opposed to the three-digit designations that are found in Tables 1 and 2. The frame sizes that are normally associated with industrial fractional horsepower motors are 42, 48, and 56. In this case, each frame size designates a particular shaft height, shaft diameter, and face or base mounting hole ...
The Key to Figuring the Right Frame Size EC&M
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What are motor frame sizes? - Auto Blog Garage
WebNov 18, 2010 · A 48 frame will be less than 4 inches between the bolts; a 56 frame will be more than 4 inches between the bolts. · What is the voltage of the pump you are replacing? The best way to know this is to consult the label on your current pump or your hot tub’s owner’s manual. WebThe main difference between a 48 frame and a 56 frame hot tub pump is that the 48 frame has a smaller motor housing and so the 4 through bolts that fasten the wet end to … WebApr 20, 2010 · How to Tell the Difference Between a 48 Frame & 56 Frame Spa Motor HotTubandSpaExpert 202 subscribers Subscribe 24K views 12 years ago Amy show us how to tell the difference between... steve asche thrivent