Busy replacing Viega elbows in 1-inch FOSTAPEX hydronic heat system during the heating season because the original installer used a crimper tool that created creases/ridges, which are now splitting and leaking. My
Viega 35160 PureFlow Zero Lead FostaPEX, Red Coils 1-Inch by 150-Feet - Pipe Fittings - Amazon.com
Viega 94083 Zero Lead Bronze 1-1/2 inch x 1-1/2 inch x 3/4 inch Pex Press Reducing Tee With Attached Sleeve | AF Supply