How To Install a Service Port On Sealed System Window Air Conditioner
Window air conditioners are usually not fixed when broken and virtually often tossed and replaced.

All the same, they are fixable, oft merely needing a low-cost office or a refrigerant recharge to get them working again.

I problem when repairing a window A/C unit is they do non come up with a service port Schrader valve and demand i to be installed.

This is an piece of cake process that but needs a piercing valve kit.

Y'all can also solder on a Schrader valve, but it is not necessary and comes downward to personal preference.

Items needed

  • Wire brush or emery fabric to clean the expanse.
  • A Bullet Piercing Valve.

Bullet Piercing Valves can exist bought at nearly air conditioning part supply stores or online.

They are low-cost items that make installing a service port on a window A/C unit quick and easy.

Example Bullet Piercing Valve on Amazon
Supco BPV21 Bullet Piercing Valve


How To Install a Service Port on a Window Air Conditioner

  1. The first step is to detect a spot on the copper refrigerant line (Commonly low pressure line) that will be easily attainable and clean it with a wire castor or emery cloth.

    2. How To Install a Service Port On Sealed System

  2. Take the piercing valve and agree information technology on one side of the copper line.

    3. How To Install a Service Port On Sealed System Window Unit

  3. Attach the other side.

    4. How To Install a Service Port On Sealed System without soldering

  4. Tighten down the outer screws evenly.

    5. Tighten the Screws

  5. After the outer screws are in identify, the center tin be screwed in, which will go into the copper line piercing it.

    6. Tighten the Center Screw

Yous tin can now adhere gauges on the unit and exam it or refill every bit you would any other A/C unit of measurement.

There are some HVAC technicians who prefer to solder on a valve, but in my experience, a screw-on valve works just too.

This is, of course, debatable and is simply a preference that changes from tech to tech.

If you are very skilful at soldering and can practice it quickly and reliably, soldering a piercing valve on may be best.

If you lot just need a quick port to add refrigerant or test, a screw-on piercing valve will work fine.

Spiral-on type valves can go loose over time and 4-5 years and may need to be tightened.

Window A/C units that are fixed are usually already three-5 years old, if not older.

A screw-on valve will more than probable outlive the unit of measurement working life span.