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Aqua-Flo FMXP/FMXP2, FMXP3 Pump Parts

How to Determine Spa Plumbing Size

Pump plumbing sizes are nominal, and not actual outside diameter (OD) of the threaded intake and/or discharge. Use a tape measure and check your old pump thread size against the sizing table

Plumbing Size      Pump Thread OD (approx.)

1.5"                          2-3/8"

2.0"                           3"

2.5"                           3-5/8"


Determining whether your motor is a 48 or 56 Frame Motor.
The spa and pool industry use various "Frame" sizes to mount their "wet end" or pump to. A bracket mount motor has a welded base for mounting. These motors can be a 48 or 56 Frame. 
Other types of motors such as the "C" Frame or Round Face and the Square Flange are all 56 Frame.
There are several ways to figure out the Frame size. One is to look at the spec sheet where it says Frame (FR) it might have some letters with it but will have 48 or 56 as the frame size.
The other way to determine is to measure the thru bolts (the 4 bolts that run thru the length of the motor and screw onto the wet end or volute of the pump). Measure the distance between the thru bolts,  DO NOT measure diagonally but from one bolt to the next bolt.

Frame Size:  Motors are made in 2 Frame Sizes on Thru Bolt Motors. Thru Bolt spacing on a 48 Frame motor will be less than 4 inches.  A 56 Frame Motor bolt's will be spaced more than 4 inches.

Because all manufactures do not call all things the same this is the best way to tell the Frame size.
Displaying products 1 - 19 of 19 results
91694200, Impeller 2Hp FMXP/FMXP2, 6000-048
6000-048, 91694200 Impeller 2HP FMXP/FMXP2
Sale Price: $24.85
Aqua-flo by Gecko
6000-048, 91694200 Impeller 2HP FMXP/FMXP2
91694200, Impeller, 2Hp, 1997-1999 SUNDANCE SPAS Theraflo/Theramax Pump
free shipping
91041622-000, Gecko Aqua-Flo FMXP2 Wet End
91041622-000, Gecko Aqua-Flo FMXP2 Wet End, 2.0 HP, 56 Frame 6.1 inch Diameter
List Price: $150.00
Sale Price: $69.95 In Stock Clearance
Aqua-flo by Gecko
91041622-000, Gecko Aqua-Flo FMXP2 Wet End, 2.0 HP, 56 Frame 6.1 inch Diameter
Aqua-Flo Wet End, 2.0 HP 2", 6.1"Diameter. 56 Frame FMXP2. Has a 4 inch spacing between thru bolts. Replacement Wet End for SUNDANCE SPAS Original Aqua-Flo Theramax Pump 1997-1999 with 4 inch thru bolt pattern. See MORE INFO!
free shipping
91041623-000, Aqua-Flo FMXP2 Wet End, 2.5 HP
91041623-000, Aqua-Flo FMXP2 Wet End, 2.5 HP, 56 Frame, 6.1 inch Diameter
List Price: $162.45
Sale Price: $89.97
Aqua-flo by Gecko
91041623-000, Aqua-Flo FMXP2 Wet End, 2.5 HP, 56 Frame, 6.1 inch Diameter
Aqua-Flo Wet End, 2.5 HP 2", 6.1"Diameter. 56 Frame FMXP2. Has a 4 inch spacing between thru bolts. Replacement Wet End for SUNDANCE SPAS Original Aqua-Flo Theramax Pump 1997-1999 with 4 inch thru bolt pattern. See MORE INFO!
free shipping
91041815-000
91041815-000, Gecko Aqua-flo XP/XPE Wet End, 1.5 HP 48 Frame
List Price: $150.00
Sale Price: 59.87 In Stock Clearance Sale
Aqua-flo by Gecko
91041815-000, Gecko Aqua-flo XP/XPE Wet End, 1.5 HP 48 Frame
Aqua-Flo Pump Wet End, 1.5Hp, 2"MBT Side Discharge. FMXP 48 Frame. Thru bolt spacing 3 5/8 Inch. See More Info.
free shipping
91041820-000
91041820-000 Gecko Aqua-Flo XP Wet End, 2HP, 48 Frame
List Price: $150.00
Sale Price: 89.95
Aqua-flo by Gecko
91041820-000 Gecko Aqua-Flo XP Wet End, 2HP, 48 Frame
Aqua-Flo Wet End, 2Hp, 2" Unions, Side Discharge. 48 Frame FMXP. Thru Bolt spacing: 3 5/8 inch. Old part number: 91041610. Discontinued, new part number is 91041820-000
free shipping
91041825-000
91041825-000 Gecko Aqua-Flo XP2, XP2E Wet End, 2.5HP, 48 Frame
List Price: $150.00
Sale Price: $89.95
Aqua-flo by Gecko
91041825-000 Gecko Aqua-Flo XP2, XP2E Wet End, 2.5HP, 48 Frame
Aqua-Flo Wet End, 2.5Hp,2"MBT Side Discharge. For 48 Frame Pumps with a 3 5/8 thru bolt spacing. If your pump says 56 Frame (found on ID tag under Frame)see More Info.
free shipping
91041940-000, Aqua-Flo XP2E Wet End
91041940-000, Aqua-Flo XP2E Wet End, 4 HP, 56 Frame 6.3 Inch Diameter
List Price: $96.85
Sale Price: $89.95
Aqua-flo by Gecko
91041940-000, Aqua-Flo XP2E  Wet End, 4 HP, 56 Frame 6.3 Inch Diameter
WET END: 4.0HP 56 FRAME WITH 6.3" VOLUTE 2" XP2E
free shipping
91694251 Impeller, Aqua-Flo
91694251 Impeller, Aqua-Flo, 2.5Hp FMXP/FMXP2 6000-036
List Price: $65.52
Sale Price: $34.85
Sundance® Spas
91694251  Impeller, Aqua-Flo, 2.5Hp FMXP/FMXP2  6000-036
Impeller, 2.5Hp, 1997-1999 SUNDANCE SPAS Theraflo/Theramax Pump. Aqua-Flo Pump. Aqua-Flo FMXP/FMXP2
free shipping
92290070 Drain Plug Aqua flo XP2,XP2E,XP3, 6000-047
92290070 Drain Plug Aqua flo XP2,XP2E,XP3, 6000-047
Sale Price: $8.95
Aqua-flo by Gecko
92290070 Drain Plug Aqua flo XP2,XP2E,XP3, 6000-047
92290070 Drain Plug for Aqua Flo XP2,XP2E,XP3 Also part number 6000-047
free shipping
Spa Motor US Motors Single Speed 240 Volt
BN40 Spa Motor by US Motors, 1-Speed, 240 Volt
List Price: $355.00
Sale Price: $219.95
Emerson, US Motors
BN40 Spa Motor by US Motors, 1-Speed, 240 Volt
US Motors Single Speed 240 Volt with stand, threaded Shaft, Thru Bolt, 48 Frame. Used widely in the Spa and Jetted Tub Industry. See More Info!
free shipping
SPH30FL2S US Motor
BN62 Spa Motor by US Motors, Emerson - 48 Frame, 240v, 2-Speed, 2-4.5 HP
List Price: $475.00
Sale Price: $259.95
Emerson, US Motors
BN62 Spa Motor by US Motors, Emerson - 48 Frame, 240v, 2-Speed, 2-4.5 HP
US Motors (formerly Emerson) T55MWCCK-1213 has been labelled by spa manufacturers as 2.0, 2.5, 3.0, 3.5, 3.6, 4.0, 4.5HP. Replaces Century BN 51, BN62. The Amp rating is High speed 12.7 Amps, 2 Speed Motor. Amps will vary with HP of impeller.
free shipping
Gecko Aqua-Flo Cover: 91231606, XP2, 2 inch Suction, 6000-151
List Price: $48.78
Sale Price: $39.85
Aqua-flo by Gecko
Gecko Aqua-Flo Cover: 91231606, XP2, 2 inch Suction,  6000-151
Faceplate, Gecko AquaFlo XP2, 2 inch. 2-5/8" ID on back side to receive impeller wear ring.
free shipping
91041624-000 Aqua-Flo FMXP2 Wet End, 3 HP
Gecko Aqua-Flo FMXP2 Wet End: 91041624-000, 3 HP, 56 Frame 6.1 inch Diameter
List Price: $165.00
Sale Price: $89.95
Aqua-flo by Gecko
Gecko Aqua-Flo FMXP2 Wet End: 91041624-000, 3 HP, 56 Frame 6.1 inch Diameter
Wet End, 3.0 HP 2", 6.1"Diameter. 56 Frame FMXP2. Fits Motors Only with a 4 inch bolt pattern. See MORE INFO!
free shipping
92830080, Aqua-Flo Impeller Wear Ring, XP2E, XP3
Gecko Aqua-Flo Impeller Wear Ring: 92830080, XP2E, XP3
Sale Price: $6.95
Aqua-flo by Gecko
Gecko Aqua-Flo Impeller Wear Ring: 92830080, XP2E, XP3
Impeller Wear Ring, Used on XP2E and XP3 56 Frame Pumps.
free shipping
91041830-000
Gecko Aqua-Flo XP, XP2E Wet End: 91041830-000, 3HP, 48 Frame
List Price: $118.39
Sale Price: $94.87
Aqua-flo by Gecko
Gecko Aqua-Flo XP, XP2E Wet End: 91041830-000, 3HP, 48 Frame
Aqua-Flo Wet End, 3Hp, 2"MBT Side Discharge, 48 Frame. Original is discontinued, this replaces the original.
free shipping
91041925-000, Aqua-Flo XP2E Wet End
Gecko Aqua-Flo XP2E Wet End: 91041925-000, 2.5 HP, 3.5thp 56-Frame 6.3 Inch Diameter
List Price: $150.00
Sale Price: $89.95
Aqua-flo by Gecko
Gecko Aqua-Flo XP2E Wet End: 91041925-000, 2.5 HP, 3.5thp 56-Frame 6.3 Inch Diameter
Wet End, 2.5ohp 3.5thp2", 6.3"Diameter. 56 Frame FMXP2. 4 1/8 inch thru bolt pattern. See MORE INFO!
free shipping
91694150 Impeller 1.5HP FMXP/FMXP2
Impeller 1.5HP FMXP/FMXP2: 91694150
Sale Price: $28.95
Aqua-flo by Gecko
Impeller 1.5HP FMXP/FMXP2: 91694150
91694150, Impeller, 1.5 Hp 1997-1999 SUNDANCE SPAS Theraflo/Theramax Pump
free shipping
PS-200 Pump Seal
List Price: $24.95
Sale Price: $18.95
Berliss
PS-200 Pump Seal
Shaft Seal 200 Series, 5/8" Shaft Size. Click for MORE INFO for Applications.
free shipping
3711621-1
Spa Pump Motor 4 Hp 56 Frame, Single Speed 240 Volt
List Price: $475.00
Sale Price: $259.95
Century A.O. Smith Motors
Spa Pump Motor 4 Hp 56 Frame, Single Speed 240 Volt
4 HP 230/240 Volt Single Speed, 56 Frame Motor B237. This Motor Replaces Motor used on the 6500-901, 6500-902 and 6500-903. Cannot be used on the 6500-352 or LX Pump.
free shipping
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