Potterton 5141566 Gas Valve-Mixer Pipe

The Gas Valve-Mixer Pipe is a Potterton component supplied under part number 5141566 for Potterton Commercial appliances. It forms part of the gas valve and mixer assembly on the boiler, carrying gas between the valve and the mixer section so that gas and air are brought together correctly before combustion. The part is listed within the gas valve category for Potterton Commercial boiler spares.

• Visible corrosion, cracking or distortion on the pipe body or its connections.
• Gas smell or a detected leak around the valve and mixer pipework, confirmed by a tightness test.
• Sooting, erratic ignition or unstable flame characteristics pointing to incorrect gas and air mixing.
• The pipe or its joints show signs of disturbance, kinking or poor sealing after previous work.
• Repeated lockouts or combustion readings that fall outside the manufacturer's stated tolerances.

• Confirm the boiler model is a Potterton Commercial Sirius 2 WH90 or Sirius 3 WH90.
• Check the existing part number against 5141566 before ordering.
• Verify the fault is traced to the gas valve and mixer pipe rather than another part of the gas train.
• Confirm that any gas-carrying work will be carried out by a competent, Gas Safe registered engineer.