Boss Connectors & Roof Flashing

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McAlpine's Boss Connectors & Roof Flashing provide secure connections and waterproofing solutions for pipes, ensuring reliable performance and protection across many plumbing applications.

Drain Connectors and Boss Connectors for Roof

Straight Connector Multifit x 2" BSP Male thread

3 SKUs SKUs

Z31M ZS31M ZT31M

Straight Connector Multifit x 2" BSP Male thread

Blanking Off Cap

3 SKUs SKUs

S23MR T23MR Z23MR

Blanking Off Cap

MACFLASH

5 SKUs SKUs

RS1 RS2 RS3 RS4 RS7

MACFLASH

Drain Connector

2 SKUs SKUs

DC1-BL DC1-GR

Drain Connector

Drain Connector with Boss

2 SKUs SKUs

DC1-BL-BO DC1-GR-BO

Drain Connector with Boss

Offset Drain Connector

2 SKUs SKUs

DC1BL-OS DC1GR-OS

Offset Drain Connector

Drain Reducer Connector

2 SKUs SKUs

DC2-BL DC3-BL

Drain Reducer Connector

Offset Drain Reducer Connector

2 SKUs SKUs

DC2BL-OS DC3BL-OS

Offset Drain Reducer Connector

Drain Connector Blank Cap

1 SKU SKUs

DC4-BL

Drain Connector Blank Cap

90° Bend Drain Connector

2 SKUs SKUs

DC90-BL DC90-GR

90° Bend Drain Connector

110mm Blanking Off Cap

1 SKU SKUs

CAP100

110mm Blanking Off Cap

Two Piece Cast Iron Soil Pipe Boss Connector

6 SKUs SKUs

BOSS110CAST-BL BOSS110TCAST-BL BOSS82CAST-BL BOSS82TCAST-BL BOSS90CAST-BL BOSS90TCAST-BL

Two Piece Cast Iron Soil Pipe Boss Connector

Black Mechanical Soil Pipe Boss Connector

6 SKUs SKUs

BOSSCONN110-BL BOSSCONN110T-BL BOSSCONN110Z-BL BOSSCONN82-BL BOSSCONN82T-BL BOSSCONN82Z-BL

Black Mechanical Soil Pipe Boss Connector

Grey Mechanical Soil Pipe Boss Connector

6 SKUs SKUs

BOSSCONN110-GR BOSSCONN110T-GR BOSSCONN110Z-GR BOSSCONN82-GR BOSSCONN82T-GR BOSSCONN82Z-GR

Grey Mechanical Soil Pipe Boss Connector