Caleffi 311470 1/2" FI Safety relief valve 7 barThe Caleffi 311470 is a 1 2" female safety relief valve preset at 7 bar, designed for heating and hot water systems. It features a 20% discharge overpressure and 20% closing differential, suitable for operating temperatures between 5110C. Part No: 311470 Connection: G 1 2" (ISO 228 1) female inlet Drain connection: G 1 2" (ISO 228 1) female Preset pressure: 7 bar Nominal pressure: PN 10 Discharge overpressure: 20% Closing differential: 20% Operating

They also feature a special anti-scald function which immediately shuts off the hot water flow in the event of cold water supply failure at the inlet

Supplied with stone pin and wood screws

chromium plated or enamelled surfaces

Product code: 37063

Aerator: Sistra flow straightener

Part No: 46023000

Connections: 22mm

Compatible with: Grohe Auto 2000 (34310)

Part Number: 91472

BSRIA and OFTEC approved

Output: Filtered boiling & chilled + unfiltered hot & cold

Maximum pressure: 14 bar