|Item||Internal Diameter (mm)||Internal Diameter With Rubber (mm)||Outside Diameter (mm)||Coupling Length (mm)|
|Coupling||125||100 – 115||150||70|
British Products Made in British Foundries
The Cell4 cellar vent has a 4″ round outside diameter male spigot which is designed to fit into a corresponding female or into the 4″ coupling. This cast iron coupling can be used to connect the Cell4 to the male of a 4″ pipe or if one of the rubbers are removed can be used as an adapter to fit into the male of a 5″ (125mm) pipe.
Please note – If the coupling is going to be used with a cellar vent that is screwed to the wall, washers, nylon bobbins or a wooden backing plate will need to be used with the screws between the wall and vent (not supplied)
Located above cellars and often sited along the base of Victorian terrace walls to vent sewers these vent grilles are almost exact replicas of the originals with a couple of improvements.
The brass flap version allows air in and the flap acts as a non return valve. this is especially useful if it is used as a stench pipe or sewer terminal as it reduces the chances of smells escaping (it is loosely based on an original Victorian design).
The copper mesh version allows air in and out and is especially suited to venting and allowing air into basements and cellars.
If an improved air flow is required the copper mesh cab be easily removed to increase the free air flow from 2000mm2 to 3000mm2
The Cell4 has a 4" round outside diameter male spigot which is designed to fit into a corresponding female or into the 4" coupling. The cast iron coupling can be used to connect the Cell4 to the male of a 4" pipe or if one of the rubbers are removed can be used as an adapter to fit into the male of a 5" (125mm) pipe.
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