Expansion Plug 3.25 To 3.50 Inch Rubber Winter Plug For PVC Fittings And Drains 1 Pack LHP14 Expands To 3.60 Inches When Tightened Not For Use Inside Any 3 Inch Pipe Includes Schedule 40 PVC Cast Iron Copper Steel Galvanized
UPC: 00193019453261
✔️ Expands to 3.60" seal, 3.40" area, up to 55% tighter
The Lamprey Hardware #14 Expansion Plug seals 3.25 to 3.5 inch openings and fits 3" PVC fittings and couplings. It does not fit inside any 3" pipe, including Schedule 40 PVC, cast iron, copper, steel, or galvanized pipe. The sealing area is about 3.40 inches in diameter and expands to 3.60 inches when the wingnut is tightened, providing a strong, secure seal. When fully tightened, it achieves up to 55% greater tightness than standard expansion plugs. Common uses include plugging drains and sewers, sealing kitchen sink openings, and winterizing swimming pools during maintenance.
✅ Fits openings 3.25-3.5 inches, sealing area 3.40" diameter
✅ Expands to 3.60" when tightened, wingnut included
✅ Up to 55% greater tightness than conventional plugs
✅ Use for drains, sewers, kitchen sinks, and pool winterizing
💡 What is a 3.25-3.5 inch expansion plug used for in PVC drainage and maintenance?
This handy plug helps seal openings during maintenance and seasonal shutdowns.
- Seals 3.25-3.5 inch openings on PVC drains and fittings - Expands to 3.60 inches for a secure, tight fit - Ideal for plugging drains, sewers, kitchen sinks, and pool winterizing