Union set for Rocoi LPDE pump.
Includes the following
2 x 1.50" (63mmØ) Euro buttress collars
2 x Sealing O-rings
1 x 1.50" (48mmØ) Female socket
1 x 1.00" (33.3mmØ) Female Tee
Top Tip: 1.5", 2.0" & 2.5" union connection sizes are just terms coined by the hot tub industry, the actual outside diameter of a pump connection is as follows.
For connecting pipe work their sizes are measure by the outside diameter of the pipe, so...
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