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Two brass 1/4-inch HVAC locking caps for R22 systems

BFKK

BFKK 1/4" HVAC Locking Cap for R22 2-Pack

SKU CH-807V-ZGESF

Two-pack of 1/4-inch tamper-resistant locking caps secures R22 service ports against unauthorised access and refrigerant loss

  • Tamper-resistant caps block unauthorised access to R22 service ports
  • Engineered specifically for R22 refrigerant systems to maintain line integrity
  • Durable construction withstands harsh weather for long-lasting performance
  • Universal 1/4-inch thread fits most AC valve ports with simple screw-on design
  • 2-pack secures systems after service to prevent refrigerant loss

R22 System Security

These 1/4-inch locking caps secure R22 air-conditioning service ports against unauthorised access. The two-pack suits homeowners and HVAC technicians who need a simple, tamper-resistant seal on existing refrigerant lines. Installation is a straightforward screw-on action that requires no special tools.

Tamper-Resistant Seal

Each cap creates a physical barrier that prevents interference with the valve core, helping to stop refrigerant loss and maintain system pressure. The durable construction is built to withstand outdoor weather exposure, so the seal remains effective through seasonal temperature changes.

Port Compatibility Check

Verify that the service ports on your R22 equipment use the standard 1/4-inch thread before ordering. The caps are designed for that specific thread size and will not fit larger or proprietary port types. Confirm the refrigerant in the system is R22, as the caps are intended for that application.

How it compares

Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.

Price $32.99
Cheaper than about 59% of the 1,762 comparable items (median $45.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the 1/4-inch thread on these R22 locking caps need re-taping or replacement after repeated service visits?

The caps are built from durable materials rated for harsh weather, so the threads should hold up through normal install-and-remove cycles without scheduled re-taping.

What is the first limit reached when these caps stay on an R22 system through seasonal temperature swings?

The 1/4-inch brass-to-brass seal is designed to maintain integrity across the full operating envelope of R22 refrigerant pressures.

Do the caps add noticeable heat retention or vibration noise when the condenser runs continuously?

Being passive brass fittings with no moving parts, they neither generate noise nor alter the system’s thermal behaviour during all-day operation.

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