Caleffi 311 Series 3 Bar 3/4" Pressure Relief Valve 311530

The Caleffi 311 Series 3 Bar Pressure Relief Valve is designed to protect unvented plumbing and heating systems when automatically releasing excess pressure from the system. Its 3/4" connection ensures reliable performance, while the high-quality brass construction allows for efficient system operation. Suitable for both domestic and commercial installations, the Caleffi Pressure Relief Valve helps prevent damage caused by overpressurisation.