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just trying to learn more. i don 't think i would actually test a gas valve with resistors and a battey. or would I. no i wouldn't.

thank you for info. i quess i will going to radio shack today.

thanks. i'm actually thinking of buying it.

it would be a nice thing to have, i think. if you ran out of thermocouples and don't have the time to run to a supply house because it's late. you can't decide if it's the thermocouple or the gas...

im surprise. you would think that there would be something out there are ready.

how many and what size?

you're absolutely right. i wonder if there is another way.

how can you test a standing pilot soleniod valve in a honeywell combination gas valve if you don't use a thermocouple? normally, you would use a thermocoulple to send 30 millivolt to the standing...

What are the requirements to becoming a HVAC contractor in Chicago ?

What are the requirements to becoming a HVAC contractor in Chicago ?

thanks for the info guys.

i'm installing a air handler in a attic and the owner of the house insists that i connect the primary condensate drain pipe to the drain of the sink below.
i never done it this way, and i'm...

it was a used recovery machine.

most sellers on ebay return your money if you tell them the item is damage or not working. the problem is when you decide to repair the item yourself and you are not successful. that's what...

you should be alright. let's hope for the best.

well, let me explain. at the time i was out of nitrogen and could not wait to run the tests. it was just a test run at home. next time, i think i will wait.

Don't do it. save your time and money. i tried to fix my own and look were it got me. then again, you might have better luck. the problem with my recovery machine is that it need two things to be...

$300.00 that how much it cost me to fix the problem. thay had to rebuild the whole system.

so are your saying that the yellow jacket vacuum gause i bought on ebay might be damage. great. that what i get for buying on ebay. now what?

what about the black widows in the crawl spaces. that is all i remember from texas, is the spiders.

yes

no the gauge can not be zero out. it starts at 1 then drop to100 microns or so. .

i did away with the yjv and connected the sensor directly to the vacuum tee port. same results. i'm guessing that it's the gauge or the sensor. come on guys we are hvac techs. somebody out there must...

Dear Sir, I'm Having The Same Problem With My Yjvg. I Did The Same Tests You Did And Got The Same Results. What In The World Is Going On.. What Can Be Causing This Problem? Is It Electrical? Is...

I tried that and no cigar. maybe is the gauge. perhaps, there is a capacitor inside the gauge that burnout. or it could be the sensor, don't know and it's killing me.

frank