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The PVC DWV trap adapter features a hub x slip joint connection and provides a means for adapting a solvent weld connection to a slip joint connection. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. Polyvinyl chloride (PVC) is the most frequently specified of all thermoplastic materials because of its light weight, durability, and cost-effectiveness. PVC DWV is easy to install and is joined by solvent cementing or threading. PVC fittings exhibit high corrosion and chemical resistance and will not rust, scale, pit or corrode. NIBCO® plastic fittings are backed by a 5-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.
Plastic Fittings Installation Instructions
- Maximum service temperature 140-DegreeF
- Not for use with compressed air or other gases
- ASTM D2665 and D3311
- NSF/ANSI Standard 14
- NSF U.P. Certified
Plastic Fittings Installation Instructions
Manufacturer Resources
Product Specs
- All Application(s):
- DWV Drain / Waste / Vent
- All Basic Material:
- PVC - Polyvinyl Chloride
- Classification:
- PVC DWV Adapters
- End Connection:
- Slip Joint
- Pipe Schedule:
- 40
- Plastic End Connection Type:
- Hub x SJ
- Product Group:
- Fitting
- Product Type:
- PVC DWV Adapters
- System Use:
- Commercial Plumbing, Residential Plumbing
- Product Subgroup:
- Adapter
- Department:
- Plumbing
- Product Color:
- White
Nibco K018200 – Frequently Asked Questions
1) What does a PVC DWV trap adapter with a hub x slip joint end do on a sink drain?
The Nibco 4801-7 is the transition piece between glued pipe and a slip joint tailpiece or trap arm. One end is a hub, which solvent welds onto Schedule 40 PVC DWV pipe; the other is a slip joint that takes a nut and washer so the connection can be taken apart later for cleaning or trap changes. That is the whole job: get from a permanent cemented drain line to a serviceable slip joint at the fixture.
2) What sizes does the Nibco 4801-7 trap adapter come in, and is there a reducing version?
Four sizes: 1-1/4 inch, 1-1/2 inch, 2 inch, and a reducing 1-1/2 x 1-1/4 inch. The reducer is the one to grab when a 1-1/2 inch drain line has to land on a 1-1/4 inch lavatory trap, which is the common case on older bathroom sinks. Kitchen and most lav work uses 1-1/2 inch; 2 inch is for shower and larger fixture drains.
3) Can I use a PVC trap adapter on a hot water dishwasher or disposal drain line?
Maximum service temperature on this PVC fitting is 140 degrees F. Normal dishwasher and disposal discharge falls under that, but a line carrying sustained higher-temperature waste is outside what the material is rated for. It is also not for compressed air or other gases, drain, waste and vent service only.
4) Is this Nibco trap adapter approved for commercial plumbing and does it meet code?
It is listed for both commercial and residential plumbing, and it is made to ASTM D2665 and D3311, certified to NSF/ANSI Standard 14, and NSF U.P. Certified. Those are the marks an inspector looks for on DWV fittings in an institutional or multi-family job.
5) Which Nibco part number do I order for a 1-1/2 inch trap adapter?
The 1-1/2 inch is K018050. The other sizes run K018000 for 1-1/4 inch, K018150 for the 1-1/2 x 1-1/4 reducing, and K018200 for 2 inch. All are the 4801-7 hub x slip joint pattern in white PVC.
6) Will PVC drain fittings corrode or rust in a slab or crawlspace?
PVC does not rust, scale, pit or corrode, and it holds up to chemical attack, which is why it goes in below-grade and concealed drain runs where metal tubular parts fail. For a property manager standardizing across a building, the same 4801-7 pattern covers 1-1/4, 1-1/2 and 2 inch fixture drains so the stock room carries one family.
How fast can I get the Nibco K018200 delivered?
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Nibco K018200 come with a warranty?
Absolutely. The Nibco K018200 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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