17FEB2025 Jason Brown Arrived for non club no heat. Spoke with homeowner about the systems performance. They explained that the System is shutting itself off regularly and not reaching the setpoint on the thermostat. Or if it does reach the setpoint it takes several cycles. They Explained that a previous company diagnosed secondary heat exchanger replacement with a new collector box. After receiving permission I inspected the furnace and found. That when I Reset the gas valve system goes into error 14 lockout. Indicates it has failed ignition twice before I touched it, or bad board. I then Found the gas pressure at 2.4 which should be between 3.2-3.8 I found the Blower speed has been turned down on both cooling and heating. I then checked the duct sizing and found 1020 CFM on supply 840 CFM on return System calls for 2000 CFM -1.34 static on return 0.04 static on supply Total static 1.38 of .5 static on the system is nearly triple of the design pressure. Also found secondary heat e