McAlpine Tundish Compression Inlet 15 mm X 22 mm MACTUN-1 is used to take the discharge from a pressure relief valve on an unvented domestic hot water storage system. The McAlpine Tundish incorporates a membrane seal which opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas entering your property.
KIWA Certified and WRAS approved
Mactun incorporates a self closing membrane which opens to allow discharge to flow freely and then closes to form a seal. This prevents foul odour or sewer gas entering the building when installed into a waste or soil pipe
The membrane seal has no spring mechanism and shall not be affected in hard water areas
The membrane seal creates no resistance ensuring a smooth discharge flow from the Pressure relief valves/Thermal relief valves
Temperature rated up to 100C
The product is generally maintenance free. If required the top tundish window can be removed from the Mactun body for inspection or cleaning when maintenance work is being carried out
Suitable for use on Cylinders, Boilers, Water Heaters, Pressure relief valves, Condensate and Air Conditioning Units