The only combined tundish and non-return valve with a silicone membrane seal ensuring it will not be affected in hard water areas.
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 PRV/TRV Temperature Rating 100°C 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, PRV Valves, Condensate and Air Conditioning Units KIWA certified and WRAS approved
We offer next day delivery on most of our products with free delivery on all orders over £50
We pick all orders received before 3pm same day
We operate a NO QUIBBLE returns policy to give you peace of mind when buying. In the unlikely event that the product you order isn't quite what you wanted then get in touch, post it back & we will process your refund when it arrives back with us