Dairymaster 215/305Ltr Water Heater 7bar Pressure Relief Valve Taper Thread 1/2″ BSP The Dairymaster 215/305Ltr Water Heater 7bar Pressure Relief Valve Taper Thread 1/2″ BSP is a vital safety component designed to protect your Dairymaster heater from excess pressure during daily hot wash operations. Set to release at 7 bar , it ensures the system always operates within safe limits, safeguarding both the heater and the wider washdown setup. Built from durable, corrosion-resistant materials , this valve withstands high temperatures, detergents, and continuous use in demanding dairy environments. Its tapered 1/2″ BSP thread provides a secure, leak-free connection, ensuring reliable performance when pressure builds beyond the heater’s designed operating range. Engineered for dependable automatic activation, the valve helps protect internal components from strain, preventing potential damage and supporting consistent hot water performance. Suitable for both 215L and 305L Dairymaster water heaters , it’s an ideal replacement part for maintaining system safety and long-term reliability. When correctly fitted, this Dairymaster 215/305Ltr Water Heater 7bar Pressure Relief Valve Taper Thread