John Guest Reliance Valves Dry Trap Tundish 15mm x 22mm TUND600005 in Black

Reliance Valves Dry Trap Tundish, Backflow prevention device for Fluid Category 5 contamination risk with AA type air gap and spring loaded mechanism, Reliance Valves Dry Trap Tundish is a type AA backflow prevention device, meaning it is an unrestricted air gap. It is designed to take any discharge that may occur from either a Pressure Relief Valve or a Pressure & Temperature Relief Valve fitted to an unvented hot water cylinder. Water flowing through a tundish is an indication of a fault with the system and alerts the occupants of the issue. It is typical practice to fit both a trap, to prevent odours coming up through the drainage system, and a tundish to prevent backflow into the potable water system. The Reliance Valves Dry Trap Tundish type incorporates a waste trap, saving time and cost when installing a discharge pipe into a soil or waste pipe. The specially designed seal prevents odours or gases from entering the building, while still allowing discharged water to be conveyed to waste safely. Features and benefits Type AA backflow prevention for robust protection from potable water contamination Ideal for use with an unvented water heater or boiler relief valve discharge Spring-loaded seat to prevent smells and gasses from travelling backwards Can be connected directly to a soil point or external termination point Operates under full bore discharge and minimal discharge WRAS approved product | John Guest Reliance Valves Dry Trap Tundish 15mm x 22mm TUND600005 in Black