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I was wondering if a furnace is bad do you also have to replace the air conditioner

how does equalized pressures create low starting amps on compressor I thought with more pressures on the valves the higher the starting amps. what happens with a pump down system and pressure...

I was wondering what do equalized pressures on the off cycle, have to do with compressor on cycle start up. how does the pressures affect the operation. Need help bad cant seem to figure this out.

I was wondering what does off cycle pressure equalization do on a refer unit. how does that play a part in the system and what does that mean on start up.

do you need special linesets for r 410A and also how to do a quick indoor coil sizing per outdoor unit.

thank you for your reply makes sense

what is refractory used for in a watertube boilers and what happens when the flame touches bare metal why is that a problem and how does that work.

why do bubbles in the sight mean low on refrigerant charge I don't understand how that works. I was also told that on start up you'll get bubbles in the sight glass why is that.

I just replaced a three way valve and belimo actuator. I opened the piping to make sure its in the right position for the signal. how ever there was water leaking through the supply line, not much...

than you that makes total sense do you recommend any good refer books

what happens to the evap coil when the door is left open when a delivery comes, I was told the coil ices up why is that. and also what happens to the walk in when the gaskets are leaking.

how does equalized pressures effect the system. I have always heard well the pressures will equalize, well where does that come into play as far as the system goes. does it help it or is it just a...

I would check with company or internet but from what I've experienced some times the common exit flue will not be big enough. also when the water heater is on it can pull a draft through a...

how do off cycle pressures equalize and what does it matter as on cycle pressure. How do cap tube equalize and how do cap tube equalize cant seem to understand how this concept really works with the...

how does a brazing rod silver content affect a joint, and is soft solder the kind u use for soldering water pipe that you get at home depot.

why does it make a difference what silver content you use, what applications use different ones, what brazing book is that and does it apply to hvac and is it easy to read. thanks

Is a neutral flame the best flame for brazing pipe if so what is the difference in flames when setting torches and what pressures do I use on my torches. also does anyone know how the silver content...

I been doing this for 7 yrs however I dont braze too much in school district so im rusty, what pressures do you set you torches at and what is the difference in solders and silver content thanks

I feel alot of the time I dont know about things however the internet will give you manufactures info and part specs which will help you out. I also learned that calling the manufacturer helps to get...

thank you i replaced the air flapper valve and that took care of the problem.

I have a lennox g14 pulse furnace that doesn't ignite on the first time and eventually will lock out ive check gas pressures, cleaned cond lines, replaced board,igniter,flame sense, check combustion...