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When you need to cap off an open pipe end during a plumbing rough-in, pressure test, or system modification, an ill-fitting plug can mean leaks, debris ingress, and rework. These PVC pipe end caps are designed for DIYers, plumbers, and contractors who need a secure, solvent-weld seal on Schedule 40 and DWV drain lines without improvising a fix.
Each cap is molded from rigid PVC and sized to slip over the outside of the pipe or fitting socket. Available in two cap styles — Pipe Cap (slip-over pipe OD) and Pipe Fitting Cap (slip-over fitting hub) — with diameter options spanning 36.3mm×25mm up to 191.5mm×174mm (approximately 1" to 7.5" nominal). Select your exact ID×OD combination from the variant menu to confirm the right fit for your pipe schedule.
Typical use cases include capping unused branch outlets on PVC drain manifolds, blanking off stub-outs during staged construction, and pressure-testing DWV systems before wall close-in. Long-tail applications include PVC40 pipe cap for 1" irrigation laterals, PVC110 drain pipe blanking plug for 4" sewer stubs, and PVC160 end cap for 6" stormwater downpipe terminations.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Cap Style | Pipe Cap / Pipe Fitting Cap (see variant options) |
| Nominal Pipe Size Range | 40mm – 200mm (approx. 1" – 7.5") |
| Diameter (ID × OD) | See variant options |
| Compatible Pipe Schedule | PVC Schedule 40 / DWV |
| Connection Type | Solvent-weld (slip socket) |
| Color / Finish | See variant options |
| Pack Quantity | 1 / 3 / 5 pcs (see variant options) |
| Application | Drain, waste, vent (DWV); irrigation; stormwater |
| Operating Temperature | See variant options |
| Weight (per piece) | See variant options |
A Pipe Cap slips over the outside diameter (OD) of the pipe itself — use this when you need to blank off a cut pipe end. A Pipe Fitting Cap slips over the hub (socket end) of a fitting — use this when you need to cap an unused port on a tee, wye, or other fitting. Check the "Used for" variant option to select the correct style for your application.
Measure the outside diameter (OD) of your pipe or fitting hub with calipers. Then match that measurement to the ID column in the variant selector (the ID of the cap should be slightly larger than your pipe OD to allow for a slip fit and solvent cement layer). For example, a PVC40 pipe with a nominal 25mm OD would use the 36.3mm×25mm cap variant.
These are solvent-weld (glue) caps, not push-fit. You will need standard PVC solvent cement (not included) to create a permanent, watertight bond. Clean and prime the pipe end before applying cement for best adhesion. If you need a removable cap for temporary testing, consider a threaded plug instead.
These caps are designed primarily for drain, waste, and vent (DWV) applications, which are low-pressure or gravity-flow systems. They are also suitable for temporary pressure testing of DWV lines at typical test pressures. For sustained high-pressure supply lines, verify the pressure rating with a qualified plumber before use.
Rigid PVC has good resistance to most household drain chemicals, mild acids, and alkalis commonly found in residential and light commercial wastewater. It does not rust or corrode. Avoid prolonged exposure to strong solvents (other than PVC cement during installation) or temperatures above the material's rated range, which can cause softening.
Different pipe manufacturers and regional standards can produce PVC110 pipe with slightly different actual outside diameters. The two variants (103.6×90mm and 106.5×89mm) accommodate these dimensional differences. Measure your specific pipe's OD carefully and select the variant whose ID most closely matches your pipe OD for a proper slip fit.
Yes — the per-piece cost decreases with larger pack quantities. If you are capping multiple branch outlets during a rough-in, or want spares on hand for future repairs, the 3-pack or 5-pack offers a lower cost per cap. Compare the listed prices for each quantity option in the variant selector to find the best fit for your project scope.
