RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
Black Knight Series logo with a helmeted figure on a white background
HCPRO-Products-Black-Logo
Black Knight
Access Valve

RAV11/4" SAE high-pressure access valve for permanent core access on R-410A systems

SKU · 22-0005MPN · RAV-1
A2L SafeHigh Pressure1/4" SAER-410A / R-32 / R-22
$1.29
In stock· ships same business day from Miami
Direct from the manufacturer — Miami HQ, full warranty & tech support included.
Pack Quantity
Pack Quantity: Each
In stock, ready to ship
Designed
In Miami, USA
Warranty
1-Year Full
Ships
1–2 Days
  • Field-tested by working HVAC technicians
  • Free returns within 30 days
  • Direct manufacturer support — Miami HQ
  • ORDER IN THE NEXT — AND IT SHIPS TODAY FROM MIAMI
0LOSS
No Pressure Loss

Remove and reinstall valve cores under full system pressure or vacuum — no refrigerant loss, no system pressure drop, no re-evacuation

VACRATED
Vacuum-Rated Seal

Vacuum-rated to deep micron levels — the internal seal holds vacuum so your pump's pull-down isn't sabotaged by a leaking tool

BRASS+ STEEL
All-Refrigerant Build

Brass body with stainless internals — handles R-410A, R-22, R-134a, R-1234YF, R-32 and high-pressure A2L systems

HCPRODESIGNED
Built to Black Knight Spec

HCPRO-designed to Black Knight specifications and quality-control standards — engineered in Miami, built to spec by our manufacturing partner

Why Black Knight

No pressure loss.

Vacuum-rated seal.

All refrigerants.

HCPRO Black Knight valve core tools let you remove and reinstall Schrader cores under full pressure or vacuum — no refrigerant loss, no re-evacuation. Vacuum-rated brass-and-stainless build for R-410A, A2L, and Mobile A/C service.

Service cores without losing charge

The whole point of a valve core removal tool: pull and replace Schrader valve cores while the system stays sealed. Thread the tool onto the service port, isolate, remove the core for completely unrestricted flow during evacuation or recovery, then reinstall — all without venting refrigerant or losing system pressure. No more racing a leaking core or re-evacuating because you broke the seal.

Vacuum-rated internal seal

A valve core tool is useless if it leaks under vacuum. This one is vacuum-rated — the internal seal holds deep vacuum so the tool itself never sabotages your pump's pull-down. The side service port lets you connect a micron gauge or charging hose simultaneously, so you read true system vacuum, not tool leakage.

Brass + stainless, all refrigerants

Forged brass body with stainless steel internals handles every common refrigerant — R-410A, R-22, R-134a, R-404A, R-1234YF, R-32, R-454B — at high-pressure service conditions. Ergonomic knurled grip for hand-tight sealing. Built to live in the service bag and take daily use without the seal degrading.

Full Product Description

The HCPRO Black Knight RAV1 is a 1/4" SAE high-pressure access valve that adds permanent, serviceable core access to any service port on R-410A, R-32 and R-22 systems.

Key features

  • 1/4" SAE connection fits standard service ports and manifold hoses
  • High-pressure rated for R-410A and A2L service conditions
  • Replaceable Schrader core for fast field service without changing the valve body
  • Precision-machined brass for a leak-tight, repeatable seal
  • HCPRO-designed to Black Knight specifications; precision-machined in South Korea to OEM standards

Pair with an HCPRO valve core removal tool to swap cores under pressure — no recovery required.

Technical specifications

Valve core tool specs for no-loss service.

HCPRO Black Knight valve core tools — vacuum-rated, brass-and-stainless, all-refrigerant. Remove and reinstall Schrader cores under full pressure or vacuum without losing charge. See hero pills for this model's port sizes. HCPRO-designed to Black Knight specifications.

Type
Vacuum-rated valve core removal toolRemove/reinstall Schrader cores under pressure or vacuum without losing charge
Body
Forged brass + stainless internalsHandles all common refrigerants at high-pressure service conditions
Port sizes
See hero pills for this modelVCRT models vary — 1/4″, 5/16″, 3/8″ SAE combinations; access valves are 1/4″ SAE
Vacuum rating
Deep micron — holds vacuumInternal seal does not leak under deep vacuum, protecting your pump pull-down
Side service port
Yes (VCRT models)Connect a micron gauge or charging hose while the core is removed
Compatible refrigerants
R-410A, R-22, R-134a, R-404A, R-1234YF, R-32, R-454BAll common HFC, HFO, and A2L refrigerants
Pressure rating
High-pressure rated (R-410A / A2L safe)RAV3 valve core rated to 800 PSI with Teflon seal
Grip
Knurled hand-tightSeals by hand — no wrench needed
Application
Evacuation, recovery, charging, core replacementUnrestricted flow during evacuation; swap a bad core without recovering the system
Best paired with
3/8″ evac hose + vacuum pumpRemove the core, run the Dual Force 3/8″ hose for fastest pull-down
Brand
HCPRO Black KnightThe HCPRO professional HVAC service tool line
Country of origin
South KoreaHCPRO-designed to Black Knight specifications; precision-machined in South Korea to OEM standards
Connection standard
SAEStandard SAE threads fit all professional HVAC service ports
Warranty
1-year limitedCovers manufacturing defects under normal professional use
In the box

The tool, ready for no-loss core service.

RAV1 1/4" SAE High Pressure Access Valve for R410, R32, R22
HCPRO Black Knight valve core toolVacuum-rated brass + stainless build — see hero pills for this model's port configuration
Captive valve core shaftRemoves and holds the Schrader core securely so you don't drop it during service
Dust caps / sealsProtects the ports and preserves the vacuum-rated seal between jobs
Black Knight service insertCore-removal procedure, no-loss charging technique, refrigerant compatibility reference
Customer reviews

What working techs say after putting it on the truck.

12,000+ HVAC pros served
4.9★ Average rating
94% Repeat buyers

Replace this with a real customer quote — what service, how the no-pressure-loss core removal saved a re-evacuation, how the seal held under vacuum.

Marcus T.HVAC TECH · MIAMI, FL
On HCPRO Black Knight Valve Core Tool

Replace this with a real customer quote — what service, how the no-pressure-loss core removal saved a re-evacuation, how the seal held under vacuum.

Jorge R.REFRIGERATION CONTRACTOR · ATLANTA, GA
On HCPRO Black Knight Valve Core Tool

Replace this with a real customer quote — what service, how the no-pressure-loss core removal saved a re-evacuation, how the seal held under vacuum.

Derrick W.COMMERCIAL HVAC · PHOENIX, AZ
On HCPRO Black Knight Valve Core Tool
Used it on a job?

Share your shop notes

Write a review

Tools that pair with the RAV1.

Common questions

Answers from the warehouse floor.

Still stuck? Call our techs at 305-720-0044.

Does HCPRO warranty the products?

Yes — every HCPRO Black Knight product ships with a 1-year limited warranty against manufacturing defects under normal professional use. We'll replace the manifold, gauges, or hoses if they fail to meet stated specs. See our full warranty terms.

Which valve core tool do I need?

Match the service port size: the HCEVCK538 covers 5/16″ × 3/8″ × 1/4″ (the most versatile, handles R-410A mini-split 5/16″ ports). The 1/4″ side-port VCRT is for standard 1/4″ SAE ports. The RAV1 access valve and RAV3 high-pressure valve core are replacement/add-on valves for building service ports. See each product's hero pills for exact sizes.

How does no-pressure-loss core removal work?

Thread the tool onto the service port and tighten the seal. The tool's internal shaft engages the Schrader core and backs it out while the tool body keeps the system sealed — refrigerant can't escape. With the core removed, you get unrestricted flow for fast evacuation or recovery. When done, drive the core back in through the tool and remove the tool. Zero refrigerant lost, no re-evacuation needed.

Why does the vacuum rating matter?

If your valve core tool leaks under vacuum, your micron gauge reads the tool's leak, not the system — and you'll chase a vacuum you can never reach. A vacuum-rated tool holds deep vacuum at its seal, so the reading is true. This is the difference between a pro tool and a hardware-store fitting.

What refrigerants and pressures is it rated for?

Brass-and-stainless construction handles R-410A, R-22, R-134a, R-404A, R-1234YF, R-32, and R-454B. The RAV3 high-pressure valve core is rated to 800 PSI with a Teflon seal for R-410A and A2L high-side service. All models are safe for high-pressure refrigerant work.

What should I pair it with?

For fastest evacuation, pair a VCRT with the Dual Force 3/8″ evacuation hose and a Black Knight vacuum pump. Remove the core, run the 3/8″ high-flow hose, and pull deep vacuum in a fraction of the time. The side service port lets you keep a micron gauge connected throughout.

Can I replace just a worn valve core?

Yes — the RAV1 access valve and RAV3 high-pressure valve core are sold for exactly this. The RAV3 (800 PSI, Teflon seal) is the high-pressure replacement core for R-410A and A2L service ports. Use a VCRT to swap it without recovering the system.

Can I return an unused tool?

Yes — free returns within 30 days for unused tools in original packaging. Read our full return policy.

Do you offer bulk pricing?

Yes — trade pricing on this page, plus volume discounts for shops. Email hcproproductsusa@gmail.com with your quantities for a custom quote within 24 hours.