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🛠️ Plug into reliability — the pro’s choice for flawless drain testing!
The 4" Steel Drain Test Plug by Primaflow is a precision-engineered alloy steel tool designed to securely seal 4-inch drains during plumbing tests. Lightweight yet durable, it withstands heat and repeated use, making it a trusted essential for professionals and DIY enthusiasts alike.
| ASIN | B00PFXQWOA |
| Best Sellers Rank | 40,959 in DIY & Tools ( See Top 100 in DIY & Tools ) 11 in Plumbing Testing Equipment |
| Brand | Primaflow |
| Colour | Black, Gold |
| Customer Reviews | 4.4 4.4 out of 5 stars (26) |
| Date First Available | 2 Oct. 2016 |
| Item Weight | 100 g |
| Material | Alloy Steel |
| Model Number | Primaflow |
| Package Dimensions | 11 x 9.6 x 8.8 cm; 100 g |
C**N
Fits a 4 inch drain
Does the job perfectly.
C**0
Excellent.
We had a downstairs toilet built which never warmed up despite having a heater fitted. I used this to plug the 4” duct from extractor fan to outside so I can easily reinstate it if needed, warm as toast now.
R**2
Happy with it
good solid product and good fitting and good sealing with thread. Happy with the product
S**S
Perfect after 3 attempts with other suppliers
Have order 3 other unit from different suppliers. Only this one was 4 inches and a perfect fit.
J**R
Perfect
Slide in nicely and open to create a spot on seal. Worth the money.
Trustpilot
3 weeks ago
4 days ago
1 month ago
4 days ago