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Auxiliary switch: Volt-free micro-switch for boiler/pump control
Complete single zone underfloor heating kit for floor areas from 12
No thermostat wiring required — receiver wires to appliance only
Secure your BYD Battery-Box Premium LVS lithium iron phosphate (LiFePO4) battery system with these essential 70mm² DC connectors
Caleffi Robocal 3 8 inch Automatic Air Vent Float with Automatic Shut-off Cock 502530 underfloor heating accessorie Auxiliary switch: Volt-free micro-switch forThe 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
