R-422B (NU-22B) Refrigerant – Half Pallet (20 × 25 lb) – R-22 Replacement
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Please check the EPA certification box before adding this item to your cart.
A half pallet of R-422B (NU-22B) — 20 factory-sealed 25 lb cylinders, 500 lb of refrigerant, with freight included to the lower 48. Pallet-tier pricing on the go-to R-22 service replacement without a full skid.
R-422B (NU-22B) is an A1 (non-flammable) HFC blend designed as a service replacement for R-22 in air conditioning and heat pump systems — a practical retrofit for the large base of legacy R-22 equipment, with no oil change required in most cases.
Why buy R-422B by the half pallet
- Pallet pricing, smaller commitment. Twenty cylinders gets wholesale-tier pricing and freight included.
- Keep the R-22 fleet running. Enough to cover a season of service top-offs without re-ordering.
- 100% virgin, ARI-700 compliant. Factory-sealed, with documentation for your EPA records — not reclaimed or grey-market.
What's on the half pallet
| Refrigerant | R-422B (NU-22B) |
| Cylinders | 20 × 25 lb, factory-sealed |
| Total weight | 500 lb of refrigerant |
| Replaces | R-22 (service retrofit) |
| Safety class | A1 — non-flammable, low toxicity |
| Best for | Legacy AC & heat pump systems |
| Origin | Made in USA |
Buying for a company?
Half-pallet buyers usually qualify for a Pro Account: wholesale contract pricing below the public site, Net 15 / Net 30 terms, priority allocation, and a dedicated rep. Apply for a Pro Account — most are approved within one business day (have your EPA 608 certification ready).
Common questions
How many cylinders are on a half pallet of R-422B?
A half pallet is 20 cylinders at 25 lb each — 500 lb of refrigerant total. A full pallet (40 cylinders) is also available.
What does R-422B (NU-22B) replace?
A non-flammable service replacement for R-22 in existing air conditioning and heat pump systems, used to keep legacy equipment running without a major retrofit.
How does a half pallet ship?
It ships freight-included to the contiguous 48 states. In-stock orders typically ship same day when placed before the daily cutoff.
Sold to EPA 608–certified professionals and licensed businesses only.