• Modern design
• Seven-day programmable thermostat
• FOT-151 wall termination kit included (4 ½” - 9 ½”)
• Self-diagnostics with error code indicator
• Sealed combustion
• “Cool to the Touch” cabinet
• Child safety lock
• 7-Stage modulating gas valve
• Whisper-quiet fan
• Works with Natural Gas or Propane
• 10-year heat exchanger limited warranty for residential installations (5 years on parts, 2 years on labor)

Dimensions: 29 ½” W x 21 13/16 ” H x 9 â…ž” D
Weight: 51 lbs.
Approved Gas Types: Natural Gas or Propane
Minimum/Maximum Gas Rate (Input BTUs)   
Natural Gas: 8,200 – 16,700 NG  
Propane: 8,200 – 16,700 LP
AFUE Rating: 80.8% NG and 81.0% LP
Electrical: AC 120 Volts, 60 Hz, 47 Watts 
Noise Level: 32 – 41 dB
Gas Connection: ½” FNPT
Temperature Range (Min-Max): 60°-80° F in 2° increments

• Brochure: (R-CNHT-E-01r6) Direct Vent Wall Furnaces
• Owners Manual: EX17 (RHFE-433RWTA) and EX22 (RHFE-558RWTA)
• Spec Sheet: EX17 (RHFE-433RWTA)

FOT-219: 
FOT-220:            
FOT-221: 
FOT-158: Elbow
FOT-190: Long Elbow
FOT-150 (S Vent Kit): Flue Manifold Kit 3” – 4 ½”
FOT-151 (A Vent Kit): Flue Manifold Kit 4 ½” - 9 ½” (included with unit)
FOT-152 (B Vent Kit): Flue Manifold Kit 9 ½” – 15 ¾”
FOT-153 (C Vent Kit): Flue Manifold Kit 15 ¾” – 23 ⅝”
FOT-154 (D Vent Kit): Flue Manifold Kit 23 ⅝” – 31 ½”