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this is a hot water baseboard system. 2 zone with one circulator pump. The thermostat sends the signal to the selonoid valve to open and the circulator pump comes on ....but once it reaches its...

how common is it to find a situation where the thermostat calls for heat and heat comes on and dosnt shut off even after the mercury contact has disengauged ?

oh i c peytonc your saying if we replace the thermostat and it fixes the problem then we should go ahead and call you out to take a look anyway ? I think I understand what your really trying to say.

i understand the basics ....i know that the thermostat is powered by 24 volts d.c. i know that the signal to the heatpump must run thru a power relay to trip the 220volt system ...i know that the...

no this isnt my system this is a lady friend single mom raising 2 kids and money is tight .....I'm thinking that the wires either from the thermostat to the relay are flip flopped or the power lines...

any other thoughts about what else it could be ?

any thoughts on why when the thermostat on a heatpump calls for heat it blows cold and back during the summer when it was calling for cold it blew heat ? with the emergency heat indicator light lit...

I know there are alot of different opinions about using lasers for shooting superheat/subcooling/return air etc..I'd like to hear from the folks that believe in them and to what extend they use them...

yea in my haiste to get logged in a just punched in a bunch of info.....I need to re-register as a newbie with no expieriance other than what ive read up on. I appologise to all

Hi I'd love an oppertunity to instant message an expieranced a.c. tech. and kind of ask you a bunch of questions before I consider weather I should enter into the trade. If anyone uses yahoo or aol...

I'm not talking about some one doing work for me ...I'm talking about me working for someone all ready in the buisness. I'm talking about some kind of nitch position with the company that does field...

Hi I'm retiring from my job as a prison guard in a few more years and I'm wondering if there is any value to a HVAC buisness in jobbing work out to someone who gets certified with the EPA and who's...

can someone tell me does the EPA clss I certification allow a person to recover certain freon from central air conditioning systems in homes ? No where on the EPA site or in the literature does it...

Thanks for your advice ......the coil is flat like a car radiator (old 2 ton bryant)..I completely pulled the return air box away from the coil so that the return air surface of the coil was...

Hi after noticing my room air wasnt cooling off and eliminating any other possible problems I pulled the intake box away from the indoor coil and ran the system for about 10 minutes and discovered...

I'd like to talk to james but i havnt figured out how to privatly email someone from here ....how do i ?

Does anyone have any tips on where to buy a phased out 10 seer split a/c system just before the new federal minimum seer ratings take effect ? I'd like to think when they start closing them out the...

thanks ...Coco the house has had recent blow in insulation added to the attic floor. The duck work is round flex insulated type. I'm curious .....where most often are leaks found ? in the evaporator...

thanks for the responses ....do I take it that its agreed that I should stick with 2 seperate systems ...one for the first floor and one for the second ? by the way I have hot water baseboard heat so...

HI I may be replacing my 20+ year old Bryant split a/c ...I'm in a 50+ year old house and the original design was 2 seperate 2 ton zone systems ....wouldnt it be more efficiant if I can tie the...