Locking Refrigerant Caps

  • Protect against refrigerant theft and inhalant abuse
  • Meet the IMC®, IRC® and UMC® codes
  • Protect A/C system efficiency
  • 5/16" available for ductless mini-split applications

Why Novent?

Instant protection against intoxication by inhalation of toxic refrigerant gas.

Special tools are required to apply and remove the caps, making it difficult for non-professionals to access the refrigerant.

Protects A/C system efficiency.

Meet IMC® and IRC® code with one simple screw-on application.


Corrosion resistant anodized aluminum.

Integral neoprene O-ring resists oils and sealants.

Torque limiter prevents overtightening.


serious injury or dealth resulting form the inhalation of dangerous gases.



Ductless Solutions Presentation
Ductless Solutions Training

The Complete Solution

Novent R410a
R410A, 1/4" thread, key

Novent Universal
Universal, any gas, 1/4" thread, key

Novent Starter
Caps and Keys