Refrigerant Service Valve Positions

Service valves are found in many applications of an air conditioning and refrigeration system. Knowing the common valve positions is key to servicing and troublehooting.

[hvguy]

Just what I needed! I was wondering why no freon was going in.... Turns out I have no idea what I'm doing.

But now I kinda do!

[hectortorres]

Finally found a mechani. Can't explaining the valve function.
Function just one. Thank you when you start from city one turn. The term is cracked to the port. Thank you for the video

[cruzfernandez]

Very appreciated information. Thank you so much.

[DeanLeatherman]

Forgive me to say that most of this information is pretty obvious. The part you left out, and the information I need, how do these valves open and close - clockwise or counterclockwise? I only work on my own now, but I forget this every time. I need to mark it on the valve cap.

[swapnilshirke]

Great information please update all more videos

[Dan-ger]

I work in ammonia and they tell us don't loosen packing valves because it can start leaking ammonia out when you crack valve. Had it happen a bunch of times when packing loose. We just lubricate stem with some refrigerant oil and then cycle it.

[hovh]

Should the valve "not" accessible to the compressor when front seated (you said it "is"). When front seated, the service valve opens to the connecting hose.

[mattsmith]

hey can you do a similar video on how to re-pack this king valve?

[chris]

Sorry to bother u but we’re can I get the rubber piece that’s in front of the packing nut ? iv been using Teflon tape but it’s only working for bout few months then I would have to replace it

[deanburke]

Always confused me. Only 3 positions. Just know what's going on in each one to avoid a terrible mistake out of control.

[MajorChipHazard]

So if I needed to add refrigerant I would need to back seat the valves, correct?

[channelcatchaser]

Great information learned something today!

[juanontiveros]

I’m going to get recycled and reclassed

[beardowns]

Awesome tip I was never taught to do that. Now I always do when servicing on those valves

[SW-pxwt]

My service valve (Carrier) does not have a lock nut. Instead, it has a sunk ring with two slots (wish could upload a picture), which may need a special tool to torque. Anyone know how to do? Thx!

[numanmirza]

Sir some people said don't open the packing gland before close the valve its right or rong we will close the packing gland or not

[johnmike]

Is it true that ammonia valves should be either fully open or fully closed, otherwise valves are going to leak ??

[deanburke]

Always confused me. Only 3 positions. Just know what's going on in each one to avoid a terrible mistake out of control.

[upshotliberation]

Can you do a video on oil change for bitzer compressor. You explained it well, i wish we have proper oil change procedure video on this.

[kirubakaran]

Very useful information, I was searching for it.