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Black cylindrical foam pipe insulation with smooth matte finish

Nomaco Kflex

Nomaco Kflex 6RX100358 Drain Trap

SKU CH-8B5D-M4DXJ MPN 6RX100358

3" pipe insulation with 1" wall thickness and R-value 5.5, operating from -297°F to 220°F

  • Product typeDrain Components
  • Main materialHAWA
  • Product colorBlack
  • NBR/PVC elastomeric material resists extreme cold down to -297 °F
  • Operates reliably up to 220 °F for high-temperature drainage
  • Approximate R-value 5.5 reduces heat loss through pipe walls
  • Fits 3 5/8 in nominal ID tubes with 1 in wall thickness
  • Black finish suits concealed and exposed plumbing installations

Product identity

Nomaco Kflex 6RX100358 is a 3 5/8 in nominal ID pipe insulation made from NBR/PVC based elastomeric material. It suits installers and maintenance teams who need thermal protection on copper or steel lines.

Pre-installation checks

Verify the tube outside diameter matches 3 5/8 in so the unslit bore fits without modification. Confirm the service temperature stays between -297 °F and 220 °F and that the 1 in wall thickness satisfies the required R value of 5.5.

Build integration

The 6 ft length covers straight runs and can be cut for bends or tees without additional fittings. Black finish blends with existing pipework while the closed-cell structure resists moisture ingress and reduces condensation on chilled water or refrigerant lines.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $51.99
Pricier than about 63% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameNomaco Kflex
Model name6RX100358
Product typeDrain Components
Product colorBlack
Size & build
Main materialHAWA

Questions about this item

What insulation material and wall thickness come with the 6RX100358 drain trap?

The trap uses NBR/PVC based elastomeric foam with a 1 in wall thickness for thermal protection.

How do I choose between the available length options for this pipe insulation?

This model is supplied as a single 6 ft length sized for 3 5/8 in nominal I.D. tubing.

What does the R 5.5 rating mean for condensation control on a 3 5/8 in pipe?

An R 5.5 rating indicates the insulation resists heat flow well enough to keep the pipe surface above dew point in typical HVAC conditions.

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