Frostline expansion set for terasse

Frostline extension kit for wooden decks. Can be used with the following models: 5042, 5080, and F004. Used when an EQI 5080, EQI 5042, or DUO Classic F004 is to be installed in a wooden deck, and frost protection needs to be maintained. The extension kit can be used for deck construction with a maximum height of 200 mm from the ground surface to the bottom of the deck boards. The kit consists of a 20 mm riser ring for the top of the well. This is mounted against the underside of the deck boards and filled with the included LECA pebbles. An extension pipe of 40 cm, which is mounted at the bottom of the well.