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P2906.5 Water Distribution Pipe
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Water distribution piping within dwelling units shall conform to NSF 61 and shall conform to one of the standards indicated in Table P2906.5. Water distribution pipe and tubing shall have a pressure rating of not less than 100 psi at 180°F (689 kPa at 82°C).
| MATERIAL | STANDARD | |
|---|---|---|
| Chlorinated polyvinyl chloride (CPVC) plastic pipe and tubing | ASTM D2846; ASTM F441; ASTM F442/F442M; CSA B137.6 | |
| Chlorinated polyvinyl chloride/aluminum/chlorinated polyvinyl chloride (CPVC/AL/CPVC) plastic pipe | ASTM F2855 | |
| Copper or copper-alloy pipe | ASTM B42; ASTM B43; ASTM B302 | |
| Copper or copper-alloy tubing (Type K, WK, L, WL, M or WM) | ASTM B75/B75M; ASTM B88; ASTM B251;ASTM B447 | |
| Cross-linked polyethylene (PEX) plastic tubing | ASTM F876; CSA B137.5 | |
| Cross-linked polyethylene/aluminum/cross-linked polyethylene (PEX-AL-PEX) pipe | ASTM F1281; ASTM F2262; CSA B137.10 | |
| Cross-linked polyethylene/aluminum/high-density polyethylene (PEX-AL-HDPE) pipe | ASTM F1986 | |
| Galvanized steel pipe | ASTM A53 | |
| Polyethylene/aluminum/polyethylene (PE-AL-PE) composite pipe | ASTM F1282 | |
| Polyethylene of raised temperature (PE-RT) plastic tubing | ASTM F2769; CSA B137.18 | |
| Polypropylene (PP) plastic pipe or tubing | ASTM F2389; CSA B137.11 | |
| Stainless steel (Type 304/304L) pipe | ASTM A312; ASTM A778 |
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