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90% Gas Furnace Downflow

  • 90% + AFUE efficiency with weldless tubular heat exchanger
  • Self diagnosing control system
  • Patented high temperature limit system
  • Easy service access with no door switches
  • Power terminals provided for humidifier and electronic air cleaner
  • 20 – Year limited heat exchanger warranty
  • 5 – Year limited parts warranty
Model
Blower Motor HP
Input BTU/hr
Output BTU/hr
Blower Size
Annual Fuel Utilization Efficiency (AFUE)
Max Cooling Tons
Approx. Ship Weight (pounds)
WTCSA054NH3R
1/3
54,000
48,900
10-6
90.4
3
122
WTCSA072NH3R
1/2
72,000
65,200
10-8
90.4
3.5
131
WTCSA072NH4R
3/4
72,000
65,200
Dual 10-4
90.4
4
141
WTCSA090NH3R
1/2
90,000
81,400
10-8
90.4
3.5
145
WTCSA090NH4R
3/4
90,000
81,400
Dual 10-4
90.4
4
150
WTCSA108NH5R
3/4
108,000
97,700
Dual 10-6
90.4
5
174
WTCSA126NH5R
3/4
126,000
114,000
Dual 10-6
90.4
5
193
Model
Blower Motor HP
Input BTU/hr
Output BTU/hr
Blower Size
Annual Fuel Utilization Efficiency (AFUE)
Max Cooling Tons
Approx. Ship Weight (pounds)
WTCSA054NH3R
1/3
54,000
48,900
10-6
90.4
3
122
WTCSA072NH3R
1/2
72,000
65,200
10-8
90.4
3.5
131
WTCSA072NH4R
3/4
72,000
65,200
Dual 10-4
90.4
4
141
WTCSA090NH3R
1/2
90,000
81,400
10-8
90.4
3.5
145
WTCSA090NH4R
3/4
90,000
81,400
Dual 10-4
90.4
4
150
WTCSA108NH5R
3/4
108,000
97,700
Dual 10-6
90.4
5
174
WTCSA126NH5R
3/4
126,000
114,000
Dual 10-6
90.4
5
193