Are the Knobs Metal or Plastic?

Knobs are metal, but my manifold started leaking at the glass eye viewer the brass nut but seems to be threaded but not able to tighten

hello, are these gauges liquid filled? Thx in advance

No , negative.. No liquid inside..

hello, are these gauges liquid filled? Thx in advance

No. You're probably not going to find brand new liquid filled gauge set for $65. These can be calibrated.

can this work for the fridge ? There is no high pressure opening on fridge, how to use this for it ?

We bought this to use for commercial rooftop ac units. Not sure about anything else

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BACOENG Pro 4 Way AC Diagnostic Manifold Gauge Complete Set for R134A R410A R22, with 5FT Hose, 3 Acme Tank Adapters, Adjustable Quick Couplers and Universal Can Tap

Product ID: 322301762

Details

Brand
BACOENG
Item weight
3.58 Kilograms
Material
Polycarbonate
Number of Items
14
Unit count
1 Count

⚡High pressure range up to 750 PSI for robust performance

🌈4 color-coded 5FT hoses for quick, error-free connections

🛠️4-way manifold for versatile AC diagnostics

718 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

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Description

❄️ Master your AC game with pro-grade precision and style!

USER FRIENDLY DESIGN - Includes detailed manual and custom case—perfect for pros and ambitious DIYers aiming to level up
ALL IN ONE PRO TOOLKIT - Complete 14-piece set including manifold, hoses, adapters & wrench for seamless HVAC & auto AC servicing
COLOR CODED EFFICIENCY - Red, blue, yellow & black hoses simplify workflow and reduce costly mistakes under pressure
DURABLE BUILD FOR HEAVY USE - Solid brass, aluminum & PVC construction withstands drops and daily professional wear
PRECISION PRESSURE MONITORING - Dual gauges with 0-550 PSI (low) & 0-750 PSI (high) ranges ensure accurate diagnostics every time

The BACOENG Pro 4 Way AC Diagnostic Manifold Gauge Set is a professional-grade HVAC toolkit designed for R134A, R410A, and R22 refrigerants. Featuring a robust 4-way manifold, four 5-foot color-coded hoses, adjustable quick couplers, and multiple ACME tank adapters, it delivers precise pressure readings up to 750 PSI. Built from durable brass, aluminum, and PVC, this set is engineered for heavy-duty use by auto mechanics and HVAC professionals. Complete with a custom case and detailed manual, it streamlines AC charging, diagnostics, recovery, and evacuation tasks—making it an essential upgrade for anyone serious about efficient, error-free AC maintenance.

Specifications

ASIN	B07L8XSY3W
Best Sellers Rank	#99,303 in Automotive ( See Top 100 in Automotive ) #215 in Automotive Air Conditioning Line Repair Tools
Brand Name	BACOENG
Customer Reviews	4.4 4.4 out of 5 stars (261)
Item Weight	3.58 Kilograms
Manufacturer	BACO ENGINEERING
Material Type	Polycarbonate (PC)
Model	P0218FUSA
Number of Items	14
Number of Packs	1
Part Number	P0218FUSA
UPC	687551177339
Unit Count	1 Count

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718 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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