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NAVAC NHB1 High-Flow Refrigerant Evacuation Hose, Black, 6′, 1/2″ Diameter, 3/8″ to 1/4″ Fitting

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SKU: nv_nhb1 Categories: , Brand:

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The NAVAC NHB1 High-Flow Refrigerant Evacuation Hose is black and 6′ in length. It’s one of three Big Boy evacuation hoses, which feature a large 1/2″ diameter for fast evacuation. The NHB1 3/8″ refrigerant hose is designed for 3/8″ to 1/4″ fitting.

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Similar items

NAVAC high flow evacuation hoses are available in several lengths and sizes. We also offer the Navac NHB2 refrigerant hose 1/2″ to 1/4″ fitting.


  • (1) NAVAC NHB1 High-Flow Refrigerant Evacuation Hose


  • 1/2” large diameter for fast evacuation
  • 3200 psi burst pressure, 640 psi working pressure
  • 4-layer construction for low permeation
  • Vacuum rated to 20 microns


Color : Black
Diameter : 1/2 inch
Length : 6 feet (72 in)
Connector : 3/8″ - 1/4″
Fitting style : Standard
Packaging style : Single hose
Warranty : 1 year
Country of origin : USA

Q & A

What is covered under the Navac warranty?

"NAVAC Inc. GUARANTEES all NAVAC products to be free of defective material and craftmanship which could affect the life of the product when used for purpose for which it is designed. This warranty does not cover items which have been abused, misused, or improperly maintained, (including failure to use the correct type of vacuum pump oil). The sole obligation under this warranty shall be to repair, replace (OTC Exchange), or provide credit for any defective product or parts thereof, at the discretion of NAVAC Inc. within the period mentioned below. In some instances, NAVAC Inc. may require the defective product be returned for warranty analysis."

Customer Reviews

Based on 1 review
Fast evacuation

Good hose, fast evacuation. Good product.