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I've started running into some problems when matching Armstrong's new A96 furnace with the Honeywell prestige t-stat.
A lot of the newer Armstrong's will give a pressure switch code when paired...

I am assuming you are referring to the automotive style spade fuses. I find that unless the system specifically calls for a particular size (ie a control board labeled "3 amp"), 5 amp and 3 amp can...

As long as the flare is sized correctly and clean, and the tension is correct on the flare nut, I have never seen a need for oiling the flare faces.

***90% furnace
better way to phrase question, what pressures should I be getting from the burner box with a functioning inducer, no cracks in heat exchanger, well sealed system with intake piping...

Hello all,
I am hoping someone can enlighten me as to the method for testing a differential pressure switch.
I am working on an Armstrong furnace which has a differential pressure switch set at...

Hey guys,
just got offered a position as refrigeration tech at sears. have 5 years field experience and a decent job right now, although the pay sucks. Have read some negative stuff about being an...

I currently have an offer on the table from sears. Going in to interview on Thursday, but they are offering $20. The extra pay would be great, but don't want to give up my easy going job for this if...

hello all
have a mr. slim that is acting up. seems like it may be in the controls somewhere. the unit will work fine for a while, kicking out 40 degree air, and suddenly start kicking out 75+ degree...

we have the local utility company on the scene now with monitoring equipment. too many different answers from electrical engineers. the transformers are wired for 208v, and we are getting 24v to the...

awesome.
that was our first thought but we couldn't find an engineer to explain to us exactly why the voltage would be dropping.
thanks!

I have just started an HVAC business in Columbia, and while I have only been a tech for 4 years, I have someone working with me who has been in the business for 25+ years. He has worked on a little...