1-1/2" BSP x 2" Long Central Heating Pump Thread Extension

Brass extension piece for central heating pumps, extends pump threads by approximately 2 inches and has 1-1/2 inch BSP male and female threads.

Great item if you need to replace a 180mm pump with a modern 130mm pump.

** BSP thread sizes are measured a special way - have a look at our information page for more details **