Marketing InformationThe DiversiTech® C165-0159 1-1/8 x 7/8 in OD x 1 x 3/4 in ID reducer coupling with stop C x C has a seamless construction and can form a permanent, leak-tight connection that resists corrosion and scaling. It's perfect for water, gas, sanitation, air conditioning, refrigeration and fire protection systems. Ideal in both residential and commercial applications.