Flowdrill’s ability to Increase material thickness in copper and stainless steel is a major plus point for the heating, ventilation and air conditioning sector and allows our customers to reduce leaks, improve soldering and support the use of gas type threads. Our technology, which is used by global specialists Watts, Trane, Flamco and Lennox, is perfect for use in connecting parts in heat exchangers, air conditioning units, boilers and underfloor heating manifolds.