Collection: Piping & Fittings
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Out of Stock - Call to OrderUsa Industrials ZUSA-HT-4960 - Polyester-Braid Reinforced EPDM Tubing, 8mm ID x 13.5mm OD, 25 ft.
Vendor:National Boiler SupplyRegular price $91.77 USDRegular priceSale price $91.77 USDOut of Stock - Call to Order -
Usa Industrials ZUSA-HT-4940 - Polyester-Braid Reinforced EPDM Tubing, 1/4" ID x 1/2" OD, 50 ft.
Vendor:National Boiler SupplyRegular price $145.18 USDRegular priceSale price $145.18 USD -
Usa Industrials ZUSA-HT-4427 - Polyester-Braid Reinforced FDA White PVC Tubing, 12mm ID x 18mm OD, 10 ft.
Vendor:National Boiler SupplyRegular price $22.45 USDRegular priceSale price $22.45 USD -
Out of Stock - Call to OrderUsa Industrials ZUSA-HT-3947 - Polyester-Braid Reinforced 3-A Silicone Tubing, 3mm ID x 8mm OD, 10 ft.
Vendor:National Boiler SupplyRegular price $61.20 USDRegular priceSale price $61.20 USDOut of Stock - Call to Order -
Out of Stock - Call to OrderUsa Industrials ZUSA-HT-3990 - Polyester-Braid Reinforced 3-A Silicone Tubing, 19mm ID x 26mm OD, 5 ft.
Vendor:National Boiler SupplyRegular price $74.33 USDRegular priceSale price $74.33 USDOut of Stock - Call to Order -
Out of Stock - Call to OrderUsa Industrials ZUSA-HT-4005 - Polyester-Braid Reinforced 3-A Silicone Tubing, 25mm ID x 35mm OD, 2 ft.
Vendor:National Boiler SupplyRegular price $61.47 USDRegular priceSale price $61.47 USDOut of Stock - Call to Order -
Out of Stock - Call to OrderUsa Industrials ZUSA-PF-7064 - 316 Stainless Steel Class 150 Hex Head Plug with Sealant, 1/8" MNPT
Vendor:National Boiler SupplyRegular price $8.00 USDRegular priceSale price $8.00 USDOut of Stock - Call to Order -
Usa Industrials ZUSAESR-T-3 - EPDM Foam Tube, 1/2" ID x 1" OD, 10 ft.
Vendor:National Boiler SupplyRegular price $53.75 USDRegular priceSale price $53.75 USD -
Out of Stock - Call to OrderUsa Industrials ZUSA-HT-4241 - Aramid-Braid Reinforced Viton Tubing, 12mm ID x 18mm OD, 100 ft.
Vendor:National Boiler SupplyRegular price $7,267.02 USDRegular priceSale price $7,267.02 USDOut of Stock - Call to Order -
Out of Stock - Call to OrderUsa Industrials ZUSA-HT-4248 - Aramid-Braid Reinforced Viton Tubing, 19mm ID x 26mm OD, 100 ft.
Vendor:National Boiler SupplyRegular price $9,027.37 USDRegular priceSale price $9,027.37 USDOut of Stock - Call to Order -
Usa Industrials ZUSA-HT-3658 - 3-A Silicone Tubing, 3mm ID x 5mm OD, 50 ft.
Vendor:National Boiler SupplyRegular price $107.90 USDRegular priceSale price $107.90 USD -
Out of Stock - Call to OrderUsa Industrials ZUSA-HT-3846 - 3-A PVC Tubing, 9mm ID x 15mm OD, 100 ft.
Vendor:National Boiler SupplyRegular price $289.93 USDRegular priceSale price $289.93 USDOut of Stock - Call to Order -
Usa Industrials ZUSA-HT-3848 - 3-A PVC Tubing, 9mm ID x 15mm OD, 25 ft.
Vendor:National Boiler SupplyRegular price $46.39 USDRegular priceSale price $46.39 USD -
Out of Stock - Call to OrderUsa Industrials ZUSA-HT-3707 - 3-A Silicone Tubing, 9mm ID x 13mm OD, 50 ft.
Vendor:National Boiler SupplyRegular price $258.32 USDRegular priceSale price $258.32 USDOut of Stock - Call to Order -
Usa Industrials ZUSA-HT-3750 - 3-A PVC Tubing, 3mm ID x 6mm OD, 25 ft.
Vendor:National Boiler SupplyRegular price $19.61 USDRegular priceSale price $19.61 USD -
Usa Industrials ZUSA-HT-3673 - 3-A Silicone Tubing, 5mm ID x 8mm OD, 25 ft.
Vendor:National Boiler SupplyRegular price $65.13 USDRegular priceSale price $65.13 USD
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Commercial-Grade Pipe, Tubing & Industrial Fittings
Streamline your commercial mechanical builds, hydronic boiler loops, and drainage installations with our comprehensive catalog of commercial-grade piping and fittings. Sourced directly from top-tier distribution networks, our inventory features heavy-wall Type L and Type M rigid copper tubing, precision-engineered wrot copper sweat fittings, Schedule 40 PVC pressure pipe, and gravity-fed PVC DWV drainage components.
Every product line is meticulously structured to comply with rigid engineering baselines—including ASTM B88 tolerances for copper distribution and ASTM D1785 / ASTM D2661 standards for durable polymer systems. Engineered to meet strict institutional mechanical codes, our multi-variant inventory scales seamlessly from 1/2" up to 4" nominal sizing configurations to ensure absolute compatibility at the job site.
Engineered for High-Performance Applications:
- Hydronic & Boiler Feed Piping: Heavy-wall copper lines designed for optimal thermal conductivity and structural pressure resistance.
- Potable Water Distribution: Lead-free compliant infrastructure certified to NSF standards.
- Process Plumbing & Drainage: Complete Schedule 40 and DWV systems built to resist scaling, corrosion, and high-velocity friction loss.