Blower speed very slow.

______________________________________________________________________ Greetings.. I recently purchased a new Dayton 7F740 direct drive blower with a 1/2 HP, 115V. motor for my furnace/AC system.. The blower will not get any RPM unless I create some pressure either by partially blocking one of Continue reading

heater filter

______________________________________________________________________ Heater: Day & Night Model #: 394JAW024030 Product #: 394JAW024030AAFA SERIAL #: 2186C96856 Z21.47 Central Furnace I need to know the correct filter size. Please help. SW7 Replies: amech “Re(1):heater filter” , posted Sat 6 Oct 22:45 ______________________________________________________________________ If Continue reading

I got nothing heil furnace NTC5100BJC1

______________________________________________________________________ Can someone help. I got nothing. At first I thought it was just my heat. I have hhad my AC off for a week and went to tun on heat NOTHING. fter trouble shooting with no luck I decided Continue reading

furnace heating question

______________________________________________________________________ just put in a new upflow nat/gas furnace…..had an old green machine from 1967 previous…..system seems great….good force coming out all of the vents and so on……buttt….sure doesnt seem like the air coming out all of the registers is Continue reading

Wiring a Hunter thermostat

______________________________________________________________________ I have a new Hunter thermostat model 44860. I need to convert from an Amana thermostat model 1213404 to the Hunter. Hunter RC/R – 24vac power supply C – 24vac ground Y1 – Compressor stage 1 Y2 – Compressor Continue reading

Heat Exchanger Failure

______________________________________________________________________ We have a Payne (ie Carrier) High Efficiency furnace and we have just been told that the heat exchanger needs to be replaced. The furnace is only 6 years old. The symptom that lead to this conclusion are that Continue reading

Intertherm Gas to LP

______________________________________________________________________ I have an intertherm furnace that I would like to convert from gas to LP. It looks like the furnace came with an orifice to make the the change.The orifice is in a envelope attached to the gas valve. Continue reading

time before starts

______________________________________________________________________ hello i know that we have to wait before we re-start a compressor, because we need to let the presure be stable ,and its not good to try re-starting it while their is high presure on the compressor, does Continue reading