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

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

Q: 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.

Q: 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.

Q: 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?

Q: 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

4.1/5

Product ID: 429991899

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Details

Size
R12 to R134A
Material
Plastic Metal
Brand
Aupoko
Colour
Red
Connector type
Cap Adapter
Thread size
0.25 x 0.4375

🔧Universal R12/R22 to R134a retrofit

⏱️Quick & easy installation with protective caps

⚙️Durable high-heat resistant metal build

Frequently Bought Together

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

Four Seasons (12721) R12 Service Valve Compressor A/C Fitting

Four Seasons 12722 R12 Service Valve Compressor Air Conditioning Fitting

Description

🔄 Upgrade your AC game—convert with confidence and speed!

BUILT TO LAST - Premium metal and plastic construction ensures durability and heat resistance for long-term use.
PRECISION FIT - Low side (blue) and high side (red) adapters designed for exact 1/4’’ SAE and 7/16”-20 UNF port sizes.
FAST NO FUSS SETUP - Threaded fittings with removable Schrader valves and protective caps make installation a breeze.
SEAMLESS COMPATIBILITY - Effortlessly convert old R12/R22 AC ports to modern R134a standards without hassle.
COMPLETE CONVERSION KIT - Includes both high and low side quick couplers plus color-coded protective caps for professional-grade service.

The Aupoko R12 to R134A AC Retrofit Fitting Adapter Kit is a precision-engineered solution for converting legacy R12 and R22 air conditioning ports to the modern R134a refrigerant standard. Featuring durable stainless steel and heat-resistant plastic components, this kit includes both high and low side quick couplers with removable Schrader valves and protective caps, ensuring a fast, secure, and professional installation. Perfect for HVAC professionals and DIY enthusiasts aiming to future-proof their AC systems with ease.

Specifications

Manufacturer	Aupoko
Brand	Aupoko
Package Dimensions	11.5 x 10.1 x 2.1 cm; 60 g
Item model number	Aupoko
Exterior	Stainless Steel
Manufacturer part number	R12 to R134a Fitting Retrofit
Item Weight	60 g

Have a Question? See What Others Asked

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 high side fitting is too big for my old port?

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

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

Reviews

4.1

All from verified purchases

L**A

Perfect

Fitted perfect ,was able to get AC fill no issue

12.06.2025

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TrustScore 4.5 | 7,300+ reviews

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Best international shipping I've ever tried. Worth every penny!

3 days ago

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Customer service was outstanding when I had questions about the product.

2 days ago

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