McAlpine 3½” x 4″ Boss Pipe for use with WC Connectors WC-BP1
McAlpine WC-BP1 boss pipe for use with a compatible McAlpine rigid or flexible WC connector with a 4"/110mm rubber outlet seal.
The 3½"/90mm ‘O’ seal socket receives the WC connector prepared as McAlpine specifies; it is not described as a direct connection to a 90mm WC pan outlet. Check the connector and soil-pipe arrangement before ordering and follow the manufacturer’s preparation and fitting instructions.
- Model: WC-BP1
- Socket: 3½"/90mm ‘O’ seal
- Finned spigot: for internal connection to 4"/110mm cast iron, plastic or clay pipe
- Boss: 1½" universal vent boss, supplied with blanking cap
- EAN: 5036484016324
The boss is a vent connection; do not treat it as a general inlet for an additional waste appliance.
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