This type of trap is used to create water seal in between the normally flowing plumbing line. when A/C drains are let into the plumbing system the foul smell might enter into the living room if sufficient water seal is not provided in the drain pipe. in such cases using coupler is professional way to connect these drains into the waste lines.
| PVC coupler | UPVC coupler | CPVC coupler |
|---|---|---|
| 20mm coupler (or) 1/2" coupler |
15mm coupler (or) 1/2" coupler |
15mm coupler (or) 1/2" coupler |
| 25mm coupler (or) 3/4" coupler |
20mm coupler (or) 3/4" coupler |
20mm coupler (or) 3/4" coupler |
| 32mm coupler (or) 1" coupler |
25mm coupler (or) 1" coupler |
25mm coupler (or) 1" coupler |
| 40mm coupler (or) 1 1/4" coupler |
32mm coupler (or) 1 1/4" coupler |
32mm coupler (or) 1 1/4" coupler |
| 50mm coupler (or) 1 1/2" coupler |
40mm coupler (or) 1 1/2" coupler |
40mm coupler (or) 1 1/2" coupler |
| 63mm coupler (or) 2" coupler |
50mm coupler (or) 2" coupler |
50mm coupler (or) 2" coupler |
| 75mm coupler (or) 2 1/2" coupler |
65mm coupler (or) 2 1/2" coupler |
65mm coupler (or) 2 1/2" coupler |
| 90mm coupler (or) 3" coupler |
80mm coupler (or) 3" coupler |
80mm coupler (or) 3" coupler |
| 110mm coupler (or) 4" coupler |
100mm coupler (or) 4" coupler |
100mm coupler (or) 4" coupler |
| 125mm coupler (or) 4 1/2" coupler |
150mm coupler (or) 6" coupler |
150mm coupler (or) 6" coupler |
| 140mm coupler (or) 5" coupler |
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| 160mm coupler (or) 6" coupler |
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| 180mm coupler (or) 7" coupler |
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| 200mm coupler (or) 8" coupler |
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| 225mm coupler (or) 9" coupler |
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| 250mm coupler (or) 10" coupler |
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| 280mm coupler (or) 11" coupler |
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| 315mm coupler (or) 12" coupler |
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| 355mm coupler (or) 14" coupler |
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| 400mm coupler (or) 16" coupler |