Do the existing schrader valves need to be removed or will the valve in these fittings push down to open the old valves simultaneously?

The schrader valves needn't to be removed, and the valve in these fittings push down to open the old valves simultaneously.

The high side fitting is too big for my old port?

Same here. The 2 fittings are the same size and both fit the low pressure port. This kit does not work.

Can anyone tell me if the low side port fits a .375 inch threaded r12 port?

The high side fits perfectly but the low side is too big! Why is this not fitting? What is the resolution?

Does the valve push down the existing valve in the port when it’s screwed on? Or when r134a goes in?

R12 to R134A retro fit fittings connect to the thread for use with the valve, there is a removable schrader valves., fitted with a plastic protective cover cap

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🔄 Upgrade your AC game with the ultimate retrofit adapter!

BUILT TO LAST - Premium metal and plastic construction ensures heat resistance and durability
PRECISION FIT - Low side (Blue) and high side (Red) adapters with exact 1/4’’ SAE & 7/16”-20 UNF threading
CONFIDENCE GUARANTEED - Backed by a 1-year warranty for worry-free performance
SEAMLESS COMPATIBILITY - Effortlessly retrofit R12/R22 AC ports to modern R134A standards
PLUG PLAY INSTALLATION - Threaded fittings with removable Schrader valves for fast, hassle-free setup

The Aupoko R12 to R134A Adapter kit offers a professional-grade solution to convert legacy R12 and R22 AC refrigerant ports to the widely used R134A standard. Featuring robust metal and plastic construction, precise threading (1/4’’ SAE and 7/16”-20 UNF), and color-coded low/high side fittings, this adapter ensures quick installation and reliable performance. Perfect for HVAC pros and DIYers aiming to future-proof their air conditioning systems, it comes with a 12-month warranty for peace of mind.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Very impressed with the quality and fast delivery. Will shop here again.

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Size	R12 to R134A Conversion Adapter (2 Pcs)
Material	Metal, Plastic
Brand	Aupoko
Color	Blue, Red
Connector Type	Cap
Thread Size	7/16 to 20UNF
Thread Type	UNF
Item Weight	60 Grams
Number of Pieces	4
Manufacturer	Aupoko
UPC	606034661257
Item Weight	2.12 ounces
Package Dimensions	4.53 x 3.98 x 0.83 inches
Item model number	Aupoko
Manufacturer Part Number	R12 to R134a Fitting Retrofit

R12 to R134A Adapter, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter, Fits for AC Air Conditioner Refrigerant

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