Polypipe Building Products offer a wide range of bath traps to meet various installation and building regulation requirements. Before selecting which trap you require it’s important to understand the distance between the floor and the bath outlet. It’s also important to understand if the overflow will be part of the outlet or the trap, along with where the waste pipe is situated. When selecting a trap for new build, the trap must have a minimum of a 50mm seal to meet Approved Document H (Drainage and waste disposal).
Step 1: Check Voids and Regulations
Measure the clearance between the floor and bath outlet to select the correct trap depth. Ensure the chosen trap maintains a minimum 50mm water seal depth to meet Building Regulations Part H requirements for new build properties.
Step 2: Prepare Waste Pipe Connections
Disassemble the outlet nut, blue finned rubber seal, and blue spacer from the outlet of the bath trap.
Slide the nut onto the waste pipe with the exposed threads facing towards the end of the pipe the trap is connecting to. This is followed by the spacer, then the blue finned seal with its narrow end pointing toward the pipe end.
If you are connecting your Polypipe Building Products trap to a piece of metal waste pipe or a non-kitemarked solvent weld or push fit waste pipe, you can remove our unique patented blue Fit-Rite® insertion aid.
| Tip: When installing non-Polypipe traps that have an insertion aid you will need to cut the insertion aid out of the fitting for it work. |
Step 3: Make Outlet Compression Joint
Insert the waste pipe completely into the trap outlet and slide the blue finned seal into the joint.
Once the seal is in place, the threaded nut can be threaded onto the trap, which will create a compression seal between your waste pipe and trap. After the threaded nut has been hand tightened a final ¼ turn is required.
A final inspection of the connection is required to make sure the connection has been made by pulling on the pipe and fitting. This may not be suitable in certain applications.
Step 4: Mount Trap to Bath Waste
Align the trap inlet to the bath waste outlet, confirming the washer sits completely flat. Hand-tighten the securing nut onto the waste outlet until the connection feels rigid.
Tip: There should be no play in the connection between the outlet and the trap.
| Tip: There should be no play in the connection between the outlet and the trap. |
Step 5: Test Water Flow
Once the installation is complete run water through the trap and waste system to confirm the trap has been installed correctly.
For our most up-to-date installation guidance, check out our downloadable installation guides via our Technical Hub.