Where is the external filling loop on a Worcester boiler?

Usually unconnected, this will loop upwards or downwards and will be externally located either beneath or beside and close to the boiler. There are 3 different methods, depending on which the installer has fitted, by which you can refill your system.

What is a filling loop on a boiler?

A boiler filling loop is a pipe that is used to connect the central heating system to the mains water supply. Filling loops are used to recharge the water pressure in the central heating system if the boiler pressure gets too low.

Do I need to turn my boiler off to Repressurise?

It’s important to switch your boiler off before re-pressurising it. If possible, let it cool down for 4 to 6 hours.

How do you find a filling loop?

An external filling loop can be located anywhere on the central heating circuit which gives it great location flexibility. In many instances the filling loop will be located on the pipework within 1 meter of the boiler.

Should filling loop be open or closed?

After use the valves on the filling loop should be closed, the metal braided filling loop removed and the valves capped. The majority of people don’t do this so there is always a chance that the valves can be opened accidentally or be faulty.

How do you Repressurise a boiler?

How do I re-pressurise my boiler?

  1. Switch off your boiler and allow it to cool completely.
  2. Find the filling loop and check that both ends are securely attached.
  3. Open both valves to allow cold water to enter the system, keeping an eye on the pressure gauge.
  4. Close both valves when the pressure gauge reaches 1.5 bar.

How do you open a filling loop?

How do you use a boiler filling loop?

  1. Using your hands, make sure that the filling loop is fixed firmly into place.
  2. Turn one valve so that it matches the direction of the pipe.
  3. Slowly turn the other filling loop valve.
  4. Water should start to come through the system.
  5. Once it hits 1.4 bar, close both of the valves back up.

How do you identify a filling loop?

Identify the filling loop. Identify the pressure gauge. Turn the filling loop isolation handle 90 degrees, at this point you will hear water entering the central heating system (some filling loops have 2 handles, turn both handles 90 degrees)