XB90 – TUC1/TDC1

92.1% AFUE

  • 40–120 mbth input
  • Single-stage heat
  • PSC four-speed blower motor
  • Single-speed draft inducer
  • Silicon nitride igniter
  • Single or two pipe vent options
  • Humidifier and EAC terminals


The single-stage XB90 gas furnace heater is designed to provide dependable performance and efficiency so your home and budget are both as comfortable as they can be. With a 90%+ AFUE, the XB90 forced air gas furnace delivers a consistent flow of warm, comfortable air with quiet operation.


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CSI Mechanical 1243-1 E Dixon Blvd. Shelby, NC 28152 United States (US)

(704) 600-6267

Monday: 8:00 AM – 5:00 PM
Tuesday: 8:00 AM – 5:00 PM
Wednesday: 8:00 AM – 5:00 PM
Thursday: 8:00 AM – 5:00 PM
Friday: 8:00 AM – 5:00 PM
Saturday: Closed
Sunday: Closed