NU-22B®
Replaces R-22, R-407C, and R-417A.

NU-22B is the only R-22 replacement you need.
Here’s why.

The operating characteristics you know and trust. NU-22B closely mimics the operating characteristics of R-22, making it the high-performance choice for both OEM and service replacement uses.

No complications, no expensive retrofits. You won’t need any product-specific tools or supplies to use NU-22B. It’s compatible with all standard oils and all standard equipment components and materials used in R-22 systems.

Proven quality and performance. NU-22B is in use in thousands of installations throughout the world. You can use it with complete confidence.

Safe and responsible. NU-22B is nonflammable, nontoxic and is classified A1 by ASHRAE. It is also a zero ODP refrigerant.

NU-22B® Facts
ASHRAE R-422B
ASHRAE Safety Classification A1
Non-ozone depleting
Non-toxic
Greater capacity than R-417A
R-22 operating pressures