What are the three plastic ferrules and tiny brass plug used for?

I suspect they are replacement seals for the valves on the manifold.

what fitting do i need to go from yellow hose to a fjc 6030 freon can tap. the can tap thread is much different than the hose or adapter.

ACME Adapter Fitting: 1/4" SAE to 1/2" ACME. If you have the different screw thread, you can buy a suitable adapter online.

What is the acme adapter for it dont fit my top style can tap?

This is for R12, R22, R502 and R134A Refrigerants. ACME Adapter fitting: 1/4" Male to 1/2" Female.

does this work on home AC units or only auto units

COULD BE BOTH, There are two adapters on the red and blue hoses, they unscrew, and you can use them on residential units, HOWEVER, the automobile A/C uses a type of oil, and the HOME unit uses a different kind of oil, so IF you intermix the two, it "MAY" cause problems, that is why, professionals use two different set of guages, one for residential,and a different one for auto. AND ! The one for home maybe R-406 or R-22, has a background (Green) for that type of Freon, or Pink for R-410, and the one for Auto, has a background for say R-134, I forget that color. You do this at your own risk.

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OMT AC Manifold Gauge Set for R134a R12 R22 R502, 3 Way Automotive Gauge Set With Antishock Gauges, Hoses, Couplers & Adapter, Puncturing Can Tap Freon Recharge Kit for HVAC

Product ID: 323926764

Details

Brand
Orion Motor
Item dimensions L x W x H
25 x 10 x 18
Item weight
1.6 Kilograms
Material
Aluminum Brass
Thread type
Npt

⏱️1.6% accuracy calibration

🛡️Hybrid antishock oil-filled core

🔴🔵🟡Color-coded 4-layer reinforced hoses

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Description

❄️ Master your AC game with precision and power!

BUILT TO ENDURE - Hybrid antishock design combines oil-filled durability with dry dial clarity—shock and winter-proof.
PRESSURE READY HOSES - Color-coded, 5-ft hoses withstand up to 600 psi daily pressure and 3000 psi burst pressure.
PRECISION YOU CAN TRUST - Calibrated gauges deliver ±1.6% accuracy for flawless HVAC diagnostics.
ALL IN ONE HVAC SOLUTION - Complete 3-way gauge set with quick couplers, adapter, and puncture can tap for seamless refrigerant recharge.
VERSATILE REFRIGERANT COMPATIBILITY - Supports R134a, R12, R22, and R502—perfect for pros and DIYers aiming to own their AC maintenance.

The OMT AC Manifold Gauge Set is a professional-grade HVAC tool kit featuring hybrid antishock gauges with 1.6% accuracy calibration, durable brass and aluminum construction, and color-coded 5-foot hoses rated for 600 psi operating pressure. Compatible with multiple refrigerants (R134a, R12, R22, R502), it includes quick couplers, a 29° adapter, and a puncture-style can tap, making it an all-in-one solution for automotive AC diagnostics, evacuation, and recharge—ideal for both DIY enthusiasts and professional technicians.

Specifications

ASIN	B019W5LIVS
Best Sellers Rank	#55,577 in Automotive ( See Top 100 in Automotive ) #96 in Automotive Air Conditioning Line Repair Tools
Brand	Orion Motor Tech
Brand Name	Orion Motor Tech
Country Of Origin	China
Customer Reviews	4.2 out of 5 stars 1,781 Reviews
Included Components	1 x 3-Way Gauge, 3 x Hoses, 2 x Quick Couplers, 1 x 29° Adapter, 1 x Can Tap
Item Dimensions	25 x 10 x 18 centimeters
Item Weight	1.6 Kilograms
Item dimensions L x W x H	25 x 10 x 18 centimeters
Item weight	1.6 Kilograms
Manufacturer	Orion Motor Tech
Material	Aluminum, Brass
Material Type	Aluminum, Brass
Model	C2I_INV_B019W5LIVS_R
Part Number	DMG-0001-00
Thread Style	Npt
Thread type	Npt

Reviews

A**D

Works well

Works well but would prefer manifold with knobs for the LP and HP plug

3.04.2022

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