Sid Harvey's offers one of the most extensive selections of black malleable iron fittings in the industry. We Inventory diameters from 1/8 to 3", every fitting that is offered is produced to exact specifications. In addition, all of our iron fittings undergo our rigorous testing and quality inspections.

Mueller Copper BL-3412050 Line Set Single Line 3/4" x 1/2" Wall x 50'
Streamline Line Sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline Line Set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation
• Streamline standard and mini split line sets copper tube shall be made from C12200 grade of copper
• Insulation is choice of elastomeric or polyethylene material
• Both insulation types have a UV retardant
• Streamline copper tube is UL recognized to 700 psi and can be used with synthetic refrigerants and sub-critical CO2 systems
• Integrated production processes eliminate kinking and work hardening associated with other line sets
• Flexible in all thicknesses with relaxed ID
• Closed cell elastomeric foam
• Resists mold and mildew,
  ,
  
  
  

  Mueller Line Sets BL-3412050

Streamline BL-341050 Duraguard UV Resistance Insulated Line Black 3/4" x 1" x 50'
Streamline line sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline line set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation,
  ,
  
  

Streamline BL-3812100 Insulated Copper Line 3/8" x 1/2" Wall 100' Black
Streamline line sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline line set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation,
  
  
  

  Mueller Line Sets BL-3812100

Mueller Copper BL-3812050 Line Set Single Line 3/8" x 1/2" Wall x 50'
Streamline Line Sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline Line Set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation
• Streamline standard and mini split line sets copper tube shall be made from C12200 grade of copper
• Insulation is choice of elastomeric or polyethylene material
• Both insulation types have a UV retardant
• Streamline copper tube is UL recognized to 700 psi and can be used with synthetic refrigerants and sub-critical CO2 systems
• Integrated production processes eliminate kinking and work hardening associated with other line sets
• Flexible in all thicknesses with relaxed ID
• Closed cell elastomeric foam
• Resists mold and mildew,
  ,
  
  
  

  Mueller Line Sets BL-3812050

Streamline BL-381050 Duraguard UV Resistance Insulated Line Black 3/8" x 1" x 50'
Streamline line sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline line set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation,
  
  
  

  Mueller Line Sets BL-381050

Streamline BL-5812100 Insulated Copper Line 5/8" x 1/2" Wall 100' Black
Streamline line sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline line set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation,
  ,
  
  
  

  Mueller Line Sets BL-5812100

Mueller Copper BL-5812050 Duraguard UV Resistance Insulated Line Black 5/8" x 1/2" x 50'
Streamline Line Sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline Line Set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation
• Streamline standard and mini split line sets copper tube shall be made from C12200 grade of copper
• Insulation is choice of elastomeric or polyethylene material
• Both insulation types have a UV retardant
• Streamline copper tube is UL recognized to 700 psi and can be used with synthetic refrigerants and sub-critical CO2 systems
• Integrated production processes eliminate kinking and work hardening associated with other line sets
• Flexible in all thicknesses with relaxed ID
• Closed cell elastomeric foam
• Resists mold and mildew,
  ,
  
  
  

  Mueller Line Sets BL-5812050

Streamline BL-581050 Duraguard UV Resistance Insulated Line Black 5/8" x 1" x 50'
Streamline line sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline line set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation,
  
  
  

  Mueller Line Sets BL-581050

Line Sets BL-7812100 Duraguard UV Resistance Insulated Line Black 7/8" x 1/2" x 100'

Mueller Copper BL-7812050 Duraguard UV Resistance Insulated Line Black 7/8" x 1/2" x 50'
Streamline Line Sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline Line Set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation
• Streamline standard and mini split line sets copper tube shall be made from C12200 grade of copper
• Insulation is choice of elastomeric or polyethylene material
• Both insulation types have a UV retardant
• Streamline copper tube is UL recognized to 700 psi and can be used with synthetic refrigerants and sub-critical CO2 systems
• Integrated production processes eliminate kinking and work hardening associated with other line sets
• Flexible in all thicknesses with relaxed ID
• Closed cell elastomeric foam
• Resists mold and mildew,
  ,
  
  
  

  Mueller Line Sets BL-7812050

Streamline BL-781050 Duraguard UV Resistance Insulated Line Black 7/8" x 1" x 50'
Streamline line sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline line set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.

• Proprietary manufacturing process allows for kink-free installation,
  ,