Geo-Flo manufactures and supplies HDPE fittings and adapters for geothermal, water-source, and hydronic distribution piping. Geo-Flo’s HDPE fittings are manufactured in compliance with ASTM D-2683, and produced with PE3408/3608 or 4710 resin for superior slow crack growth resistance. Click here for a full list of cross referenced part numbers.
Fitting Types
| PFT = Tee |  | PFL = Elbow |  | PFC = Coupling | 
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| PFTA = Tee-Adapter |  | PFLA = Elbow-Adapter |  | PFA = Adapter | 
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| PFP = Cap |  | PH = Fusion Header |  |
Nomenclature Examples
Geo-Flo’s Part Numbers are based on 1/4″ increments
*** Ex: (1 = 1/4″) , (2 = 1/2″) , (3 = 3/4″) , (4 = 1″) , (5 = 1-1/4″) , (6 = 1-1/2″) , (8 = 2″)
| PN | Description | Style | Inlet | Modifier | Outlet | Modifier | Side Outlet | Modifier | Photo |
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| PFA31F | Polyfusion Adapter 3/4" Fusion X 1/4" Female Pipe Thread | PFA | 3 = 3/4" | 1 = 1/4" | F |  |
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| PFA32F | Polyfusion Adapter 3/4" Fusion X 1/2" Female Pipe Thread | PFA | 3 = 3/4" | 2 = 1/2" | F | Coming Soon | |||
| PFA33M | Polyfusion Adapter 3/4" Fusion X 3/4" Male Pipe Thread | PFA | 3 = 3/4" | 3 = 3/4" | M |  |
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| PFA34HB | Polyfusion Adapter 3/4” Fusion X 1” Hose Barb | PFA | 3 = 3/4" | 4 = 1" | HB |  |
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| PFA34M | Polyfusion Adapter 3/4" Fusion X 1" Male Pipe Thread | PFA | 3 = 3/4" | 4 = 1" | M | Coming Soon | |||
| PFA44HB | Polyfusion Adapter 1” Fusion X 1” Hose Barb | PFA | 4 = 1" | 4 = 1" | HB |  |
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| PFA44M | Polyfusion Adapter 1" Fusion x 1" Male Pipe Thread | PFA | 4 = 1" | 4 = 1" | M |  |
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| PFA53M | Polyfusion Adapter 1-1/4" Fusion x 3/4" Male Pipe Thread | PFA | 5 = 1-1/4" | 3 = 3/4" | M | Coming Soon | |||
| PFA54HB | Polyfusion Adapter 1-1/4” Fusion X 1” Hose Barb | PFA | 5 = 1-1/4" | 4 = 1" | HB |  |
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| PFA54M | Polyfusion Adapter 1-1/4" Fusion X 1" Male Pipe Thread | PFA | 5 = 1-1/4" | 4 = 1" | M |  |
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| PFA54M-CV | Polyfusion Adapter 1-1/4" Fusion X 1" Male Pipe Thread w/ Check Valve | PFA | 5 = 1-1/4" | 4 = 1" | M | CV | Coming Soon | ||
| PFA55M | Polyfusion Adapter 1-1/4" Fusion X 1-1/4" Male Pipe Thread | PFA | 5 = 1-1/4" | 5 = 1-1/4" | M |  |
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| PFA64HB | Polyfusion Adapter 1-1/2” Fusion X 1” Hose Barb | PFA | 6 = 1-1/2" | 4 = 1" | HB | Coming Soon | |||
| PFA64M | Polyfusion Adapter 1-1/2" Fusion X 1" Male Pipe Thread | PFA | 6 = 1-1/2" | 4 = 1" | M | Coming Soon | |||
| PFA64WF | Polyfusion Adapter 1-1/2" Fusion X 1" Swivel Female | PFA | 6 = 1-1/2" | 4 = 1" | WF | Coming Soon | |||
| PFA66M | Polyfusion Adapter 1-1/2" Fusion X 1-1/2" Male Pipe Thread | PFA | 6 = 1-1/2" | 6 = 1-1/2" | M |  |
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| PFA88F | Polyfusion Adapter 2" Fusion X 2" Female Pipe Thread | PFA | 8 = 2" | 8 = 2" | F |  |
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| PFA88M | Polyfusion Adapter 2" Fusion X 2" Male Pipe Thread | PFA | 8 = 2" | 8 = 2" | M |  |
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| PFC33 | Polyfusion Coupling 3/4" X 3/4" | PFC | 3 = 3/4" | 3 = 3/4" |  |
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| PFC43 | Polyfusion Coupling 1" X 3/4" | PFC | 4 = 1" | 3 = 3/4" |  |
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| PFC44 | Polyfusion Coupling 1" X 1" | PFC | 4 = 1" | 4 = 1" | |
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| PFC53 | Polyfusion Coupling 1-1/4" X 3/4" | PFC | 5 = 1-1/4" | 3 = 3/4" |  |
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| PFC54 | Polyfusion Coupling 1-1/4" X 1" | PFC | 5 = 1-1/4" | 4 = 1" |  |
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| PFC55 | Polyfusion Coupling 1-1/4" X 1-1/4" | PFC | 5 = 1-1/4" | 5 = 1-1/4" |  |
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| PFC64 | Polyfusion Coupling 1-1/2" X 1" | PFC | 6 = 1-1/2" | 4 = 1" |  |
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| PFC65 | Polyfusion Coupling 1-1/2" X 1-1/4" | PFC | 6 = 1-1/2" | 5 = 1-1/4" |  |
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| PFC66 | Polyfusion Coupling 1-1/2" X 1-1/2" | PFC | 6 = 1-1/2" | 6 = 1-1/2" |  |
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| PFC84 | Polyfusion Coupling 2" X 1" | PFC | 8 = 2" | 4 = 1" |  |
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| PFC85 | Polyfusion Coupling 2" X 1-1/4" | PFC | 8 = 2" | 5 = 1-1/4" |  |
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| PFC86 | Polyfusion Coupling 2" X 1-1/2" | PFC | 8 = 2" | 6 = 1-1/2" |  |
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| PFC88 | Polyfusion Coupling 2" X 2" | PFC | 8 = 2" | 8 = 2" |  |
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| PFL33 | Polyfusion Elbow 3/4" x 3/4" | PFL | 3 = 3/4" | 3 = 3/4" |  |
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| PFL33S | Polyfusion Elbow 3/4" x 3/4" Street | PFL | 3 = 3/4" | 3 = 3/4" | S |  |
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| PFL43 | Polyfusion Elbow 1" x 3/4" | PFL | 4 = 1" | 3 = 3/4" |  |
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| PFL44 | Polyfusion Elbow 1" x 1" | PFL | 4 = 1" | 4 = 1" | |
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| PFL44-45 | Polyfusion Elbow 1" X 1" 45° Degree | PFL | 4 = 1" | 4 = 1" | 45 | Coming Soon | |||
| PFL44S | Polyfusion Elbow 1" x 1" Street | PFL | 4 = 1" | 4 = 1" | S |  |
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| PFL53 | Polyfusion Elbow 1-1/4" x 3/4" | PFL | 5 = 1-1/4" | 3 = 3/4" |  |
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| PFL54 | Polyfusion Elbow 1-1/4" x 1" | PFL | 5 = 1-1/4" | 4 = 1" | Coming Soon | ||||
| PFL55 | Polyfusion Elbow 1-1/4" x 1-1/4" | PFL | 5 = 1-1/4" | 5 = 1-1/4" |  |
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| PFL55-45 | Polyfusion Elbow 1-1/4" x 1-1/4" 45° Degree | PFL | 5 = 1-1/4" | 5 = 1-1/4" | 45 |  |
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| PFL55S | Polyfusion Elbow 1-1/4" x 1-1/4" Street | PFL | 5 = 1-1/4" | 5 = 1-1/4" | S |  |
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| PFL66 | Polyfusion Elbow 1-1/2" x 1-1/2" | PFL | 6 = 1-1/2" | 6 = 1-1/2" |  |
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| PFL66-45 | Polyfusion Elbow 1-1/2" x 1-1/2" 45° Degree | PFL | 6 = 1-1/2" | 6 = 1-1/2" | 45 | Coming Soon | |||
| PFL88 | Polyfusion Elbow 2" x 2" | PFL | 8 = 2" | 8 = 2" |  |
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| PFLA33F | Polyfusion Elbow Adapter 3/4" Fusion x 3/4" Female Pipe Thread | PFLA | 3 = 3/4" | 3 = 3/4" | F | Coming Soon | |||
| PFLA33M | Polyfusion Elbow Adapter 3/4" Fusion x 3/4" Male Pipe Thread | PFLA | 3 = 3/4" | 3 = 3/4" | M | |
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| PFLA34M | Polyfusion Elbow Adapter 3/4" Fusion x 1" Male Pipe Thread | PFLA | 3 = 3/4" | 4 = 1" | M | Coming Soon | |||
| PFP3 | Polyfusion Cap 3/4" | PFP | 3 = 3/4" |  |
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| PFP4 | Polyfusion Cap 1" | PFP | 4 = 1" |  |
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| PFP5 | Polyfusion Cap 1-1/4" | PFP | 5 = 1-1/4" |  |
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| PFP6 | Polyfusion Cap 1-1/2" | PFP | 6 = 1-1/2" |  |
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| PFP8 | Polyfusion Cap 2" | PFP | 8 = 2" | |
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| PFT888 | Polyfusion Tee 2" x 2" x 2" | PFT | 8 = 2" | 8 = 2" | 8 = 2" |  |
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| PFT666 | Polyfusion Tee 1-1/2" x 1-1/2" x 1-1/2" | PFT | 6 = 1-1/2" | 6 = 1-1/2" | 6 = 1-1/2" |  |
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| PFT885 | Polyfusion Tee 2" x 2" x 1-1/4" | PFT | 8 = 2" | 8 = 2" | 5 = 1-1/4" |  |
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| PFT855 | Polyfusion Tee 2" x 1-1/4" x 1-1/4" | PFT | 8 = 2" | 5 = 1-1/4" | 5 = 1-1/4" |  |
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| PFT555 | Polyfusion Tee 1-1/4" x 1-1/4" x 1-1/4" | PFT | 5 = 1-1/4" | 5 = 1-1/4" | 5 = 1-1/4" |  |
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| PFT884 | Polyfusion Tee 2" x 2" x 1" | PFT | 8 = 2" | 8 = 2" | 4 = 1" |  |
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| PFT333 | Polyfusion Tee 3/4"x 3/4" x 3/4" | PFT | 3 = 3/4" | 3 = 3/4" | 3 = 3/4" |  |
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| PFT444 | Polyfusion Tee 1" x 1" x 1" | PFT | 4 = 1" | 4 = 1" | 4 = 1" | |
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| PFT533 | Polyfusion Tee 1-1/4" x 3/4" x 3/4" | PFT | 5 = 1-1/4" | 3 = 3/4" | 3 = 3/4" |  |
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| PFT544 | Polyfusion Tee 1-1/4" x 1" x 1" | PFT | 5 = 1-1/4" | 4 = 1" | 4 = 1" |  |
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| PFT553 | Polyfusion Tee 1-1/4" x 1-1/4" x 3/4" | PFT | 5 = 1-1/4" | 5 = 1-1/4" | 3 = 3/4" |  |
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| PFT554 | Polyfusion Tee 1-1/4" x 1-1/4" x 1" | PFT | 5 = 1-1/4" | 5 = 1-1/4" | 4 = 1" |  |
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| PFT664 | Polyfusion Tee 1-1/2" x 1-1/2" x 1" | PFT | 6 = 1-1/2" | 6 = 1-1/2" | 4 = 1" | Coming Soon | |||
| PFT853 | Polyfusion Tee 2" X 1-1/4" X 3/4" | PFT | 8 = 2" | 5 = 1-1/4" | 3 = 3/4" | Coming Soon | |||
| PFT854 | Polyfusion Tee 2" x 1-1/4" x 1" | PFT | 8 = 2" | 5 = 1-1/4" | 4 = 1" |  |
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| PFT864 | Polyfusion Tee 2" x 1-1/2" x 1" | PFT | 8 = 2" | 6 = 1-1/2" | 4 = 1" | Coming Soon | |||
| PFT883 | Polyfusion Tee 2" x 2" x 3/4" | PFT | 8 = 2" | 8 = 2" | 3 = 3/4" |  |
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| PFTA332F | Polyfusion Tee-Adapter 3/4" Fusion x 3/4" Fusion x 1/2" Female Pipe Thread | PFTA | 3 = 3/4" | 3 = 3/4" | 2 = 1/2" | F |  |
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| PFTA442F | Polyfusion Tee-Adapter 1" Fusion x 1" Fusion x 1/2" Female Pipe Thread | PFTA | 4 = 1" | 4 = 1" | 2 = 1/2" | F | Coming Soon | ||
| PFTA4M32F | Polyfusion Tee-Adapter 1" Male Pipe Thread x 3/4" Fusion x 1/2" Female Pipe Thread | PFTA | 4 = 1" | M | 3 = 3/4" | 2 = 1/2" | F | |
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| PFTA4MS2F4 | Polyfusion Tee-Adapter 1" Male Straight Thread x 1/2" Female Pipe Thread x 1" Fusion | PFTA | 4 = 1" | MS | 2 = 1/2" | F | 4 = 1" | Coming Soon | |
| PFTA4MS32F | Polyfusion Tee-Adapter 1" Male Straight Thread x 3/4" Fusion x 1/2" Female Pipe Thread | PFTA | 4 = 1" | MS | 3 = 3/4" | 2 = 1/2" | F | Coming Soon | |
| PFTA4MS42F | Polyfusion Tee-Adapter 1" Male Straight Thread x 1" Fusion x 1/2" Female Pipe Thread | PFTA | 4 = 1" | MS | 4 = 1" | 2 = 1/2" | F | Coming Soon | |
| PFTA551F | Polyfusion Tee-Adapter 1-1/4" Fusion x 1-1/4" Fusion x 1/4" Female Pipe Thread | PFTA | 5 = 1-1/4" | 5 = 1-1/4" | 1 = 1/4" | F | Coming Soon | ||
| PFTA854M | Polyfusion Tee-Adapter 2" Fusion x 1-1/4" Fusion x 1" Male Pipe Thread | PFTA | 8 = 2" | 5 = 1-1/4" | 4 = 1" | M |  |
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| PFTA881F | Polyfusion Tee-Adapter 2" Fusion x 2" Fusion x 1/4" Female Pipe Thread | PFTA | 8 = 2" | 8 = 2" | 1 = 1/4" | F | Coming Soon | ||
| PFTA884M | Polyfusion Tee-Adapter 2" Fusion x 2" Fusion x 1" Male Pipe Thread | PFTA | 8 = 2" | 8 = 2" | 4 = 1" | M |  |