SFL Il Straight Length Vent Pipe

Fixed straight lengths have an installed effective length 38 mm less than stated actual length. - IL twin wall, air gap insulated gas vent system for gas appliances in residential or small commercial installations with inputs up to 70 k - W., having a draught-hood or with a 250°C ...Fixed straight lengths have an installed effective length 38 mm less than stated actual length. - IL twin wall, air gap insulated gas vent system for gas appliances in residential or small commercial installations with inputs up to 70 k - W., having a draught-hood or with a 250°C max.

flue gas temperature and zero or negative pressure in the flue. Aluminium liner with Zalutite outer casing, suitable for internal and external use, either as a complete system or in combination with flue blocks or a brick chimney. Maximum external or ventilated roof area use up to 3 m.

- Certified to BS EN 1856-1 and tested to BS EN 1859 to the performance designations as defined in Table A. Manufactured by a BS EN 9001 registered company. - Must not be used for condensing, oil-fired or solid fuel systems.

- If used externally galvanised components will require suitable weather protection.