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Black flexible elastomeric tee pipe fitting with closed-cell foam finish

Nomaco Kflex

Nomaco Kflex 801-T-068358 Elastomeric Tee Pipe Fitting

SKU CH-4HD1-MWAJG

Elastomeric tee pipe fitting for 3-5/8 in. tubes, closed-cell Buna-N/PVC foam rated to 220 °F with R-4.6 insulation and antimicrobial, plenum-rated fire resistance

  • Product typeTarps
  • Withstands extreme cold down to -297 °F
  • Handles continuous heat up to 220 °F
  • Meets strict flame-spread rating of 25
  • Closed-cell foam delivers R-value 4.6
  • Antimicrobial and fire-retardant for safer installations

Elastomeric Tee Pipe Fitting

The Nomaco Kflex 801-T-068358 is a black elastomeric tee fitting designed for pipe insulation systems. It suits installers who need flexible, closed-cell insulation for branching pipe runs in commercial or industrial settings.

4.6 R-value with 25 flame spread

This fitting delivers an R-value of 4.6 and a flame spread index of 25, meeting plenum-rated requirements. The Buna-N rubber and PVC construction resists microbial growth and handles operating temperatures from -297 to 220 degrees Fahrenheit.

Ideal for plenum-rated branch connections

Installers needing antimicrobial, fire-retardant tee fittings for 3 5/8-inch tube outside diameter will find this suitable. It is not for applications requiring unslit installation styles or different wall thicknesses beyond the 3/4-inch specification.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 80% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameK-FLEX USA
Product typeTarps

Questions about this item

What does the R-value 4.6 mean once the tee fitting is installed on a pipe?

It indicates the thermal resistance of the Buna-N rubber/PVC insulation, helping maintain pipe temperature between -297 °F and 220 °F.

How does the plenum rating affect where this fitting can be used?

The plenum-rated material meets a flame spread index of 25, allowing installation in air-handling spaces per building codes.

What pipe size does the 3-5/8 inch inside diameter fit?

It fits tubing with a 3-5/8 inch outside diameter, using the unslit tee form for a secure wrap-around installation.

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