Riello Cast Iron Boiler Tregi 3/60 NK

Switch the electricity supply OFF at the system’s main switch and turn the control panel function selector to OFF (I)

Clean the outside of the boiler with a soft cloth damped in soapy water

Use a cloth damped in a 50% mix of water and denatured alcohol or a suitable cleaning product to remove stubborn marks

Carefully dry the boiler after cleaning

Remove the burner, following the instructions provided in the burner’s own instruction manual

Close the shut-off cocks for the domestic hot water circuit

Connect a plastic hose to the hose union and empty the storage cylinder through the storage cylinder drain cock

Pull the sensors out of their sockets

Remove the screws (2) fixing the bracket (3) to the casing

Remove the screws (4) fixing the flange (5) in place, and remove the flange

Set the function selector to OFF

Use a cloth damped in soapy water to clean the boiler's external casing

For stubborn marks, use a cloth damped in a 50% mix of water and denatured alcohol or a suitable cleaning product

Carefully dry the boiler after cleaning

Ensure none of the following products are used