Monument 4in.100mm X ½in. Nylon Drain Testing Plug - MON1378Z
Product ID: 56776560
💨Air-tight seal up to 29psi
🔧Removable top caps & rubber rings
🛠️100mm diameter fit
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The Monument 4in (100mm) Nylon Drain Testing Plug is engineered for precise drain pipe blocking and air testing. Featuring a durable nylon build, removable top caps, and rubber rings, it reliably seals pipes within a 92-107mm diameter range and withstands back pressure up to 29psi (1.97bar). Ideal for professional plumbers seeking trusted, efficient drain testing solutions.
| Manufacturer | Monument |
| Part Number | MON1378 |
| Product Dimensions | 8.51 x 9.5 x 9.5 cm; 120 g |
| Item model number | MON1378 |
| Size | 100 mm |
| Colour | Multi-coloured |
| Material | Rubber |
| Power Source | AC |
| Item Package Quantity | 1 |
| Included Components | 1378Z Drain Testing Plug 100mm (4in) |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 120 g |
M**N
Do not rust over time!
These are perfect and do not rust over time
S**.
Don't waste your money
These are awful, spend a couple of pound extra and buy the metal ones. We bought these to do the final drain tests on a project and they failed miserably. They just don't seal the pipes at all, so we've been out and bought the metal version and had no problems. Complete waste of money.
C**Z
Blocked my sewer pipe very well
Living in the country, we have a sceptic tank and the one 4 inch sewer pipe from our kitchen does not have any inspection chamber so when we rod the main pipe, we cannot force water back towards the kitchen. We had about 12 years worth of a fat build up in the pipe between the kitchen drain and the main sewer pipe towards the sceptic tank. This plug allowed me to block the main sewer pipe in an inspection chamber further en route which meant I could force water down the blocked pipe using drain rods. I must have pulled out a bucket full of white fat. Highly recommended.
R**B
Only received 1 out of the 2 that i ordered and paid for .
Only received 1 out of the 2 ordered and paid for.
M**N
Test plug tested
Works as it should
M**G
Exactly as described
Good value for money
S**C
Three Stars
it is ok
A**R
Don’t waste your time or money
Waste of time. I’m so angry I waited for this junk to arrive.
Trustpilot
3 weeks ago
3 weeks ago