Plumbing Tube

TYPE K
Underground residential, commercial and industrial uses:
Application: Water service, fire protection, solar, fuel oil
Standard lengths & Tempers: 10' Hard, 20' Hard, 60' Soft, 100' Soft
Color Code: Green
Specifications: WWT-775-B / WWT-779-B / ASTM B-88 / NSF 61-G

TYPE L
Residential and commercial uses:
Application: Water service, fire protection, solar, fuel oil, natural gas
Standard lengths & Tempers: 10' Hard, 20 ' Hard, 60' Soft, 100' Soft
Color Code: Blue
Specifications: WWT-775-B / WWT-779-B / ASTM B-88/ NSF 61-G

TYPE M
Above-ground residential and light commercial uses:
Application: Water service, fire protection, solar, fuel oil
Standard lengths & Tempers: 10' Hard, 20' Hard
Color Code: Red
Specifications: WWT-775-B / WWT-77_9-B / NSF 61-G

ACR/OXY/MED
Types K and L, cleaned and capped
Application: Medical gas service, air conditioning and refrigeration
Standard lengths & Tempers: 10' Hard, 20' Hard
Color Code: K- Green / L-Blue
Specifications: ASTM B-280 / ASTM B-81_9

Drain, waste and vent
Application: Drainage
Standard lengths & Tempers: 10' Hard, 20' Hard
Color Code: Yellow
Specifications: ASTM B-306