St. Zinc-Pltd Male BSPT x Hose Tail Locking CollarSteel Zinc Plated Male BSPT x Hose Tail complete with Safety Locking Collar 1" x 1"

Durapipe ABS SuperFLO 90 Degree Elbow Female BSP Thread 1/2"

PLX Single Wall Spigot Female Extended Compact Flange Transition 50mm x 1 1/2"

connections 135° offset: d=125mm

| +GF+ PVC-U Pro-Fit Union EPDM Socket Spigot 16mm + 10mm

Vulcathene Black Waste Slotted 1 1/4" x 60mm(dia

| +GF+ PVC-U Blank Union End 16mm

FloPlast 6D167 Underground Single Socket 15 Degree Socket/ Spigot 160mm

Caldervale Rerounding Clamp Post Squeeze Off with Tensioner 75mm

Vulcathene Black Standing Tube 32mm x 140mm

Durapipe PVC-U Tank Connector 32mm x 1"

/110mm Connector with ‘O’ Seal Socket

This isolating union connects the expansion vessel to the central heating system and enables verification of the vessel’s gas charge or