Gecko Union Adapter – 2″ MBT x 1-1/2″ FBT, with O-Ring
Genuine Gecko replacement pump part — Gecko part number 50100130. Used in: Gecko Aqua Flo Flo-Master FMHP/FMCP Series Spa Pump; Aqua Flo Circ-Master CMHP/CMCP, Center and Side Discharge.
Specifications
- Union Fitting Application: Pump
- First Plumbing Connection Size: 1-1/2″, 2″
- First Plumbing Connection Type: Male Buttress Thread (mbt), Slip (s)
- Second Plumbing Connection Size: 1-1/2″, 2″
- Second Plumbing Connection Type: Male Buttress Thread (mbt), Slip (s)
- Union Fitting Part Type: Adapter
*Manufacturer reserves the right to make production changes. Actual product received may vary slightly in appearance but the function remains the same.
✅ Not Sure It Fits? Verify Before Ordering
Hot tub part compatibility can vary by spa brand, model, year, serial number, control system, and part revision.
To help us identify the correct replacement part, please send clear photos of:
- Your existing part label or sticker
- Your spa serial number sticker
- The equipment area or installation location (if accessible)
EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.
Match the Gecko part number 50100130 on the label of the part you are replacing (or your spa pack label). If you cannot find it, send us photos through the fit-check form above and we will confirm before you order.
This part cross-references to: 50100120, 5124-17, 5124-30, 600075, FT2.5MBTX2.0FBT.
Orders ship from our parts warehouse partners, and orders over $99 ship free in the lower 48. Need it confirmed before you order? Use the fit-check form above.
50100130 50100130 89-402-1126 50100120 5124-17 5124-30 600075 FT2.5MBTX2.0FBT gecko gecko union adapter – 2″ mbt x 1-1/2″ fbt, with o-ring
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