Testo 550 repairs/parts ??

[acguytx]

Ok so i have been using the 550 for a few yrs now and its working fine but recently the Highside knob on the manifold leaks refer when i use it but stops if i fiddle with it.

I imagine i need to replace/rebuild the valves?? so do they have a replacement or is it as simple as taking them apart and replacing some O-rings?

anybody who has done this walk me through the procedure, thanks

oh and i need yet another hanger hook, arghh..i hope they get a different type soon..

i have my DC 1250s to use in the short term so not worried! :P

[acguytx]

?? anybody?

[qwerty hvac]

I have been using mine with no issues. Call true tech tools or Testo and see what they say.


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[jim bergmann]

Ok so i have been using the 550 for a few yrs now and its working fine but recently the Highside knob on the manifold leaks refer when i use it but stops if i fiddle with it.

I imagine i need to replace/rebuild the valves?? so do they have a replacement or is it as simple as taking them apart and replacing some O-rings?

anybody who has done this walk me through the procedure, thanks

oh and i need yet another hanger hook, arghh..i hope they get a different type soon..

i have my DC 1250s to use in the short term so not worried! :P

The valves have to be torqued to very specific requirements and the instrument leak checked after it is repaired. It will need to be returned to Testo for service.

Testo, Inc.
40 White Lake Road
Sparta, NJ 07871
Attn: Service

Make sure to include a phone number and return address on a separate card.

[acguytx]

The valves have to be torqued to very specific requirements and the instrument leak checked after it is repaired. It will need to be returned to Testo for service.

Testo, Inc.
40 White Lake Road
Sparta, NJ 07871



Attn: Service

Make sure to include a phone number and return address on a separate card.

how long was the warrnaty on this product and and estimate of shipping and repairs?

might not be worth fixing if the cost is more then half of what i paid for it??

[jim bergmann]

2 years from date of purchase. Not sure of the cost. You will have to ask them.

[acguytx]

2 years from date of purchase. Not sure of the cost. You will have to ask them.

do you have a number to their service department? thanks

[mark beiser]

The valves have to be torqued to very specific requirements and the instrument leak checked after it is repaired.

They always say that, but most of us are smart enough to figure out how to tighten a valve enough to keep it from leaking, without stripping the thread in the aluminum block.

[Gunslinger]

just went thru the same repair...It cost $56.00 including return shipping.

[2141]

I literally mailed mine out a few hours ago because my high side knob was leaking. It started leaking for no apparent reason, wasn't bumped or even turned. Mine are less than a year old.

[itsiceman]

So at the cost of a new manifold you could get yours repaired

[Brent Ridley]

oh and i need yet another hanger hook, arghh..i hope they get a different type soon...

I'm in my third hook. This is the only issue I've had with the 550's. I was looking at the 557's the other day and they come with a heavier duty hook. It may be because the 557's weigh more but I can only hope they wise up and start using those on the 550's.

[jim bergmann]

Testo Inc. 800-227-0729