Used to connect the solar hose to the pump station. One side has a BSP Parallel thread and a silicon I Ring washer to ensure a leak free seal. The other side has a flat face BSP thread to connect to the solar hose backnut.
DN12 – 1/2"
DN16 – 3/4"
DN20 – 1"
Material: Plain Brass
O Ring Material: Silicon
3/4" BSPP with "O" Ring