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My sprint 5c has no sim card but my son's 5s T-mobile has a sim card, a very small sim card that takes a needle to eject.

Stuck closed= SH high= Heat bulb no change in SH, valve should open when bulb heated.
Stuck open= SH low= Freeze bulb no change in SH, valve should close when cooled.

0 PSI or vacuum at suction...

Have seen very few 100% stuck, pulling vacuum on suction side txv's, usually they are stuck slightly open which will cause low suction pressure and low deltaT and normal sc. I have seen plenty stuck...

TXV= 10-15 SH normal at id coil suction line. If SC is good, or high in most cases, and SH is high, deltaT low then TXV not opening (stuck closed). If SC is good, or slightly low, and SH at id coil...

Seals are available. On the ball valves you unscrew or pull out the brass schrader depressor and use an o-ring pick to pull the rubber out, press in the new rubber and replace the depressor. On the...

I had the digicool with the headphone jack and thermister originally but Refco exchanged them for the k-type during service for internal leak. What I did not like was the original read in microns and...

Call Fieldpiece! Last month I had SMAN4s that were about 2 years old (out of 1 yr warranty) and called Fieldpiece to find out if I could order new seals because the high side and refrigerant ports...

Always need a hard start on recip compressors with TXV. Found out the hard way by using Goodman outdoor units with carrier coils with txv. Had several no cool call backs on a rental unit but every...

I had one "explode" in my hand a week ago. After looking at the other clamp I discovered it was actually broken on one side also at the rivet hole. I called Fieldpiece and was told they were shipping...

I carry the 902 in my bag, it is my daily beater that covers 99.9% of daily service. I keep a 336A clamp in my van for inrush and DC amp clamp applications, but it rarely sees daylight. I also have a...

Newer scroll will go into bypass if condenser is full, older units you have to watch the amps and listen to the unit. Once unit is full close service valves and recover remaining line set. 95% of...

The placement of the lamp (s) I believe is key. Lamps should be installed on the output side of the coil (Per Carrier pub:63UV-LA3). I sell and install UV lamps on occasion, I even have installed one...

Also loved that video..funny stuff, all true.:bhave:

http://www.youtube.com/watch?v=EXZetTQdB7o

Received my 550's back on Friday:toetap:Testo was quick to get replacement gauges back to me:yes:. Their customer service is great:yes:. Thanks for getting my toy back quickly :playing:

I bought a set of Testo 550 from trutechtools:CU:. I had my 550's for about 1 month, used maybe 40-50 times, with no problem; last Friday I had a problem where it would not read suction temp. I...