Is the full scale 500 psi (as pictured) or 350 psi (as in description)?

*30", 0-350 psi - retard protection to 500 psi

Will this gauge fit on my 42006 series 41 manifold? I got the wrong gauges (r22, 134a, and 404a) and I need the 410a.

I see no reason why it shouldn't fit...threads should be the same...but you will need to be able to hook it up to your AC system and those end connectors may be your problem...make sure you have the proper end fittings that you need for your system. I have multiple gauges for mine that I can interchange.

Hi i need a low side and high side for: R134A,507 and 404?

You need a gauge, gauge and hoses?

Will this work for R134?

I'm a 20yr tech. It will work for any refrigerant really... it just doesn't give the saturation temp of R134a. But it will give pressures which is the main purpose of gauges.

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Yellow Jacket 49138 3-1/8" Blue Compound, 30", 0-350 psi, R-22/404A/410A Gauge Degrees F

Product ID: 11113976

Details

Brand
Yellow Jacket
Item dimensions L x W x H
6 x 6 x 4
Material
Brass
Thread Type
Npt
UPC
686800491387

📏3-1/8" large gauge for precise readings

🔵Color-coded blue for easy refrigerant ID

⚙️1% calibration accuracy for trusted data

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₪252

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Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Stay ahead in HVAC with precision that speaks volumes!

BUILT TO LAST - Durable brass gauge movement and copper alloy bourdon tube deliver long-lasting reliability under pressure.
EFFORTLESS READABILITY - Large 3-1/8" dial with high-visibility color-coded scales means no more squinting on the job.
FLUTTER LESS TECHNOLOGY - Brass surge protector minimizes needle pulsation for stable, consistent readings.
PRECISION YOU CAN TRUST - Calibrated to 1% accuracy ensures your HVAC diagnostics are spot-on every time.
PLUG PLAY COMPATIBILITY - Standard 1/8" NPT male connection fits seamlessly into your existing toolkit.

The Yellow Jacket 49138 is a rugged, blue compound gauge designed for R-22/404A/410A refrigerants, featuring a large 3-1/8" dial, 1% calibration accuracy, and durable brass and copper alloy construction. Its flutter-less technology and color-coded scales make it an essential tool for professional HVAC technicians seeking reliable, easy-to-read pressure and temperature measurements.

Specifications

ASIN	B00159TFU6
Best Sellers Rank	#40,759 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #68 in Industrial Pressure Gauges
Brand	Yellow Jacket
Brand Name	Yellow Jacket
Customer Reviews	4.7 out of 5 stars 866 Reviews
Global Trade Identification Number	00686800491387
Item Dimensions	6.2 x 6.25 x 4.5 inches
Item dimensions L x W x H	6.2 x 6.25 x 4.5 inches
Manufacturer	Fotronic Corporation
Material	Brass
Material Type	Brass
Model	49138
Number of Items	1
Part Number	49138
Thread Style	Npt
Thread Type	Npt
UPC	686800491387
Unit Count	1 Count

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