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Screw Fix Adaptor 125mm / 5 Inch




Mr Flue



The Screw-FIX adaptor is a threaded metal connector which allows connection to Quattro Flue Liner by screwing on to the Flex, giving a gas tight seal. The other end allows connection to single wall pipe at the base of the stack.


Connects 125mm (5 inch) Quattro Flue Liner to 125mm (5 inch) Black Pipe / Vitreous Enamel / 1mm Stainless / Single Wall flue at the bottom of the chimney stack.

Made from 316 grade stainless steel, it has a pressed thread that allows it to be screwed to Quattro Flue Liner giving a gas tight seal. It has integral drain holes to let the condensates flow back into the flue.

1.Connect the bottom of the Flue Liner to the adaptors twin wall section by screwing the adaptor on to the Flue Liner as you would an ordinary nut and bolt, you can apply a small amount of High Temperature Silicone Sealant to ensure a gas tight connection.
You can now conect the Adaptor using Fire Cement or High Temperature Silicone Sealant to either your appliance (if the appliance is a solid fuel appliance then you must have a least 600mm of flue pipe before this connection) or Black Pipe / Vitreous Enamel / Single Wall Stove Pipe. If the gap is large between the Adaptor and the pipe you can seal using a combination of Fire Cement / Silicone and Fire Rope.

It is recommended that chimneys serving solid fuel appliances be swept and maintained as frequently as necessary but at least once a year.