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Member Since 16 Apr 2005
Offline Last Active Jul 14 2015 06:29 PM

Topics I've Started

Trane split system liquid line hot almost instantly

10 February 2015 - 01:22 PM

My trane BTD736A100B0  has lost cooling . The liquid line becomes hot,very soon after system is energized.  What should I be looking at to troubleshoot this?

short cycleing furnace

13 May 2014 - 09:11 AM

My g6rc nordyne short cycles. Say thermostat reads 63 we come home set it for 68. Furnace fires fine. But only raises the house a couple degrees. Furnace fires back up and does same thing over and over till thermostat reaches 68. Should I be looking to thermostat or supply air limit switch? Or am I way off? Live on shore of Lake Ontario, still running furnace now and then.

Good New Year to all who have helped me over the years, those to come!

18 January 2014 - 08:10 PM

My 12 year old Bosch/Takagi was moved to new home on same lot . Right on shore of Lake Ontario. Exhaust was on leeward side, 12 years no problem ever. The recent sub-zero winds off lake 30 degrees below F.  Wind came in exhaust with factory hood. Bought a new 199,999 btu. A.O. Smith/ Takagi 540-t-h3 indoor model. It has electric heating blocks that come on when otdoor tepm reaches 36 drgrees f. They also sell a backflow preventer , to control wind flow back into heat exchanger. Question is has anyone installed one of these backflow preventers? Seems it is 4 inch but exhaust is 3 inch pvc. You have to tap in a 3 inch pvc coupler directly into heater. the guys at the plumbing supply house have yet to sell one! They seem to think it is nova-vent . I don`t want a new freeze-up situation. What is everyones opinion?

Thanks as always !

nnordyne g6rc

18 November 2012 - 11:12 AM

Furnace goes through cycle all the way to firing . Only fires for 1-2 seconds then shuts gas valve and goes through sequence repeatedly till shut out. Red signal lamp flashes 4 times. Now I have added a ground from case to ground rod outside. tried cleaning flame sensor ,then replaced flame sensor. Nothing changes. I have taken each and every connection to control board off and on. Only thing I cannot seem to figure out is I get no flashing or any lighting from yellow flame indicator light? Never lights at all , it used to. So what do I check next ? I have service manual and installation manual for this furnace. Only change is I moved furnace to new build home on my same lot . It is a propane fueled furnace ,same gas tanks,regulator and gas supplier as old house . So I don`t think gas pressure is problem. Why no yellow flame indicator light? Bad control board?
Thanks as usual to ya`ll.

a/c leaking at sweat fitting on outside of a-coil

25 August 2012 - 10:24 AM

a/c guy did lousy job sweating low pressure line to fitting into a-coil. wondered why he restarted vacumm pump a second time ! OIL and can see a small bubbling pin hole oil comming out. So am I going to lose the charge. Can I pull charge back into condenser and resweat fitting ? buubling as we speak ,what do I do now?
Thanks for the help

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