
410A refrigerant exposure - health risks? - HVAC-Talk
Feb 18, 2024 · Phosgene gas from burnt/burning refrigerants? There has to be 'chlorine' in the refrigerant chemical makeup in order to create Mustard Gas.
Charging 404A into your system - HVAC-Talk
Mar 13, 2008 · Hi all, I have been getting some mixed signals lately from the mechanics in my shop on charging a system with 404A. Please feel free to correct me if I'm wrong but when you go to weigh in …
Trane RTU gas burner - HVAC-Talk
Oct 11, 2006 · I was performing heating check-outs today and had a problem with a Trane RTU. The gas manifold pressure calls for -.20wc and I think the supply gas pressure requires min. 4"wc and …
What propane furnances are best? - HVAC-Talk
Oct 8, 2016 · I am a home owner looking to replace my oil furnace. Can you please tell me which gas furnaces (brands)are the best and which ones to stay away from. There is no natural gas around my …
Wood to gas conversion? - HVAC-Talk
Oct 9, 2010 · I am converting an existing wood fireplace to gas logs. My problem is getting the gas line into the fireplace.This is my first time doing this and I want to make sure everything is to code. There …
Standing pilot gas valve... - HVAC-Talk
Apr 4, 2015 · On a standing gas valve, the pilots lit, there's 24volts to the gas valve, but no lit burner.Is the problem the gas valve or thermocouple?
E2 to laptop connection using ultra site. Can't connect
Jan 24, 2013 · Can anyone tell me how to access an E2 using the ultra site so that I can back up the program. I have the latest 5.04 on my laptop. I open ultra site, connect my ethernet cable. But I …
Installing AC with a two zone gas furnace. - HVAC-Talk
Jul 16, 2014 · Looked at a small job last night, 80k BTU gas furnace with 2 zones and honeywell zone dampers and a 3 ton coil in place. Are there any precautions with air flow and zone dampers for …
Charging R22 to a R134A Unit What happens? - HVAC-Talk
Mar 15, 2009 · I love the smell of phosgene first thing in the morning: To apply for professional membership click hereEducational forums are open.
superheat? subcooling? | HVAC-Talk: Heating, Air & Refrigeration …
Mar 24, 2014 · 3-5° for LT 6-8° MT. I love the smell of phosgene first thing in the morning: To apply for professional membership click hereEducational forums are open.