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Old 11-06-2011, 05:05 PM   #16
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a call for heat:


Cost a lot to alter the furnace to use another valve.

And it would no longer be covered by the home owners insurance if it burned the house down. it would be on you.

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Old 11-06-2011, 05:08 PM   #17
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a call for heat:


Probably does not have a Smart Valve as it uses a specific fan timer board and does not require another fan relay. The igniter and pilot burner are totally specific to a SValve and nothing else can work with it. Whenever you convert ANYTHING on a gas appliance YOU accept FULL responsibility and liability if anything goes wrong. I only use OEM parts for that reason. First thing they teach you in gas fitter school is what UL listing and AGA or CGA approval is for and liability etc. You are assumed negligent in court and would have to hire some very expensive lawyers and Pro's to prove you were not.
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Last edited by yuri; 11-06-2011 at 05:11 PM.
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Old 11-06-2011, 05:35 PM   #18
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a call for heat:


Well that American Standard I posted a pic of is a good furnace witha supposed cracked heat exchanger. Lady had her two systems heat inspected by an outside (non home warranty) company. I went and pulled the burners out, cleaned them and then performed a co test. Nothing wrong with it but due the age of it and the fact that if the exchanger cracks since myself being there and myself saying there is nothing wrong, especially after another hvac company said that there is a crack-without performing any co test and without pulling the exchanger) my boss doesn't want to be held liable. We're (home warranty rather is paying for it) getting them a brand new furnace this week. I turned the gas off to the unit and told the lady she's getting a new one and not to even try and use that furnace.

I have gas and electric in my home, a gas line and cock by the clothes drier but the drier I bought is electric so the gas is just sitting there.

I have two control boards so looks like I'm going to rewire that old American Standard with a board, just for giggles, see if I can do it.

I would never do that in a customer's home, not a chance, nor would I recommend it ever. I just want to see if i can. Also a good way for me to determine if those boards are good!
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Old 11-06-2011, 05:59 PM   #19
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a call for heat:


Getting into the Mad Scientist businesss are you. BwaHahHah.

I would recommend you try get access to and take the NATE gas courses. They are very well written and can help you get into gas servicing without going to a trade school full time. Trade school is best but the NATE courses are very good.
http://www.natex.org/
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Last edited by yuri; 11-06-2011 at 06:01 PM.
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Old 11-06-2011, 06:14 PM   #20
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Nate is crap..
Just trying to profit off of technicians.
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Old 11-06-2011, 06:22 PM   #21
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a call for heat:


Around here if you are Nate certified you are ahead of everyone else being considered for a job, by far.

I took a fast track hvac college course last year; Principles of Refrigeration, Basics of Electricity, Recovery (EPA) and Controls.

Nate is hard from what little I've seen of the literature. I'd like to become certified, for sure.
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Old 11-06-2011, 06:28 PM   #22
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a call for heat:


I have used the Nate info to start training my Junior techs and it is well written. Not easy to find well written material to train people with. The sooner you get at it the easier your life will be. Within 5-10 yrs 90% of our units will be "fly by wire" with communicating thermostats and very few mechanical relays and checking of 24 volts etc etc. Constant torque Level 1 non infinite speed ECM motors are going to be standard on some units next yr and the successful techs will need to truly understand the logic and sequence of operation of complex gas burners to survive. Become a top tech and you can get the top bucks $$, clean easy work and better shifts etc. The other guys get to change heat exchangers, wash coils and do the "less complex" stuff.
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Last edited by yuri; 11-06-2011 at 06:31 PM.
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Old 11-06-2011, 08:04 PM   #23
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In my opinion the nate test was designed to confuse and intimidate young techs into failing and paying to retake an overpriced test. HVAC Excellence tests were less than half the price of Nate tests, and were written to better educate technicians. I was forced into paying (it was taken out of my check) for the test and study course. It was the heat pump/air conditioning cert.
So im sitting in this class where most of the techs are early to mid 20's. The test has questions on heat anticipators, outdoor thermostats to lock out strips. Mercury stats and a few other items that these guys have never, and will probably never see. But my biggest beef are the test questions. Out of 4 choices for each question, one is absolutely wrong, one is definitely not correct, and the other 2 is a choice of which is the most correct.
Now the study guides seem pretty good from what I have seen. But from my experience with training techs, I'll take a few chapters out of Modern Refrigeration and A/C, and printout most of allaboutcircuits.com and make a good tech...

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