York Y91E 1 Stage STD (ECM motor)

The 1-Stage Furnace with Standard ECM Motor delivers efficient, single-stage heating with quiet operation and enhanced energy savings. Designed for steady performance, it’s an excellent choice for consistent comfort and reliable warmth in your home.

• Easily applied in upflow, horizontal left or right, or down flow installation with minimal conversion necessary.
• Compact, easy to install, ideal height 33" tall cabinet.
• Blower-off delay for cooling SEER improvement.
• Easy access to controls to connect power/control wiring.
• Built-in, high level self diagnostics with fault code displays standard on integrated control module for reliable operation.
• Low unit amp requirement for easy replacement application.
• All models are convertable to use propane (LP) gas.
• Electronic Hot Surface Ignition saves fuel cost with increased dependability and reliability.
• 100% shut off main gas valve for extra safety.
• 5 speed, direct drive Standard ECM style high efficiency DC motor.
• 24V, 40 VA control transformer and blower relay supplied for add-on cooling.
• Hi-tech tubular aluminized steel primary heat exchanger.
• Secondary heat exchanger made of corrosion resistant stainless steel materials.
• Timed on, adjustable off blower capability for maximum comfort.
• Blower door safety switch.
• Solid removable bottom panel allows easy conversion.
• Airflow leakage less than 1% of nominal airflow at ductblaster conditions.
• No knockouts to deal with, making installation easier.
• Movable duct connector flanges for application flexibility.
• Quiet inducer operation.
• Inducer rotates for easy conversion of venting options.
• Fully supported blower assembly for easy access and removal of blower.
• External air filters used for maximum flexibility in meeting customers IAQ needs.
• Protection included from air intake, exhaust vent, or condensate blockage.
• Patent pending self priming internal condensate trap design for easy installation.
• Venting applications - may be installed as a either 2-pipe (sealed combustion) or single-pipe vent (using indoor combustion air.
• No special vent termination required.
• 1/4 turn knobs provided for easy door removal.
• High-efficiency blower motor for lower electrical power usage and improved A/C SEER ratings.
• Insulated blower compartment for terminal and acoustic performance.