CMP 4" Pipe Extender | 21181-400-000
21181-400-000: 4-inch nominal size; small end fits inside PVC pipe; larger end matches the nominal pipe size. Match the nominal pipe size, actual pipe bore, mating socket and available insertion depth. Verify the repair layout and connected equipment requirements before joining the parts. One pipe extender. Pipe, mating fittings and joining products are separate. Manufacturer box quantities are bulk shipping counts, not the individual selling quantity. Use the applicable repair-fitting, pipe and joining-product instructions for surface preparation, assembly, curing and testing. No universal cure time, insertion dimension or operating-pressure rating is assigned here. CMP’s comparison table lists 0301-40. These are manufacturer comparison references. Match the complete configuration and repair requirements before substituting parts. CMP’s standard limited warranty provides one year from original purchase for defects in materials and workmanship unless otherwise noted, subject to exclusions and claim requirements. Its linked statement limits coverage to the United States; confirm destination-specific terms for other locations.Product FAQs
What are the identifying specifications?
How does this repair fitting connect?
What is supplied?
Which repair instructions should I use?
Which manufacturer comparison numbers are listed?
What manufacturer warranty applies?
4-inch nominal size; small end fits inside PVC pipe; larger end matches the nominal pipe size. Match the nominal pipe size, actual pipe bore, mating socket and available insertion depth. Verify the repair layout and connected equipment requirements before joining the parts. CMP’s comparison table lists 0301-40. These are manufacturer comparison references. Match the complete configuration and repair requirements before substituting parts.Compatibility
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Description
Description
CMP · 21181-400-000
Pipe Extender
This repair extender has a smaller end that fits inside matching PVC pipe and a larger end equivalent to the nominal pipe size. It provides a pipe-size end for the planned connection.
Choose the correct repair arrangement
Match the nominal pipe size, actual pipe bore, mating socket and available insertion depth. Verify the repair layout and connected equipment requirements before joining the parts.
One pipe extender. Pipe, mating fittings and joining products are separate.
See Specifications, Product FAQs, Compatibility and Resources for identification and manufacturer references.
Specifications
Specifications
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Product Type
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Size/Connection
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Warranty
Product Warranty
Product Warranty
We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
- Pentair Warranty
- A&A (Pentair In-Floor) Warranty
- Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
- Paramount Warranty
- BlueSquare Warranty
- Hayward Warranty
- All Other Manufacturer Warranties
Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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