Altecnic Caleffi 15mm Filling Loop with 4 Bar Pressure Gauge – Stainless Steel Braided – ALT-ST0035

The Altecnic Caleffi ALT-ST0035 Filling Loop is designed to fill and pressurise domestic central heating systems. It can also be used to fill and pressurise secondary heating systems within apartment blocks using Heat Interface Units (HIUs).

Featuring a strong stainless steel braided hose, this filling loop is supplied with a pre-installed 4 bar pressure gauge, allowing the system pressure to be monitored during filling. It incorporates a double check valve, union connectors, sealing washers and a ball isolating valve for convenient operation.

Ideal for installations where a boiler is fitted remotely, the filling loop provides a practical solution for safely topping up compatible heating systems.

Supplied complete with two blanking caps, two isolation valve handles and installation instructions, it offers a convenient ready-to-install package.

WRAS approved, the Altecnic filling loop is designed to meet the requirements of suitable domestic plumbing and heating installations.