Caleffi Robocal 3 8 inch Automatic Air Vent Float with Automatic Shut-off Cock 502530 underfloor heating accessorie creates a fully waterproof wet

creates a fully waterproof wet room heating system without membrane cuts

No thermostat wiring required — receiver wires to appliance only

Cylinder material: Duplex stainless steel

Auxiliary switch: Volt-free micro-switch for boiler/pump control

tested to EN 14511

Caleffi Robocal 3 8 inch Automatic Air Vent Float with Automatic Shut-off Cock 502530 underfloor heating accessorie creates a fully waterproof wetThe Caleffi ROBOCAL Series 5025 Automatic Air Vent with Integral Automatic Shut off Cock (MPN 502530) is a 3 8" BSP male threaded float type automatic air vent distinguished by its built in automatic shut off cock. When the vent body is unscrewed from its base, an EPDM O ring sealed piston closes automatically, isolating water flow without any manual valve operation or system drain down. This makes the 502530 the preferred choice wherever routine vent