Features

Easily applied in upflow, horizontal left or horizontal right, or downflow installation with minimal conversion necessary.

Venting kit for downflow (counter-flow) applications on B, C, and D cabinets where side discharge is not possible.

The unit cabinet is compact and easy to install with an ideal height of 33 in.

Full length fold-up duct connector flanges for application flexibility.

Easy access to controls to connect power and control wiring.

No electrical knockouts to deal with, making installation easier.

24 V, 40 VA control transformer and control provisions supplied for single or multi-stage add on cooling or heat pump heating.

Built-in, high level self diagnostics with fault code displays standard on integrated control module for reliable operation.

Front-facing screws on flame sensor and hot surface ignitor for ease of service.

Front-facing screws on blower assembly for easy access and removal of blower.

Constant torque blower motor for cooling SEER2 enhancement.

Blower-off delay for cooling SEER2 improvement.

Continuous fan options for indoor air quality (IAQ) performance.

Airflow leakage less than 2% of nominal airflow for duct performance testing conditions.

Low unit current requirement for easy replacement application.

Electronic hot surface ignition saves fuel cost with increased dependability and reliability.

100% shut-off main gas valve for extra safety.

Inducer rotates for easy conversion of venting options.

Five-speed direct drive standard ECM blower motor.

Hi-tech tubular aluminized steel primary heat exchanger.

Corrosion resistant stainless steel secondary heat exchanger including rear cover pan and front vestibule panel.

Quiet inducer operation.

York RL18100C16MPS1

Features

Easily applied in upflow, horizontal left or horizontal right, or downflow installation with minimal conversion necessary.

Venting kit for downflow (counter-flow) applications on B, C, and D cabinets where side discharge is not possible.

The unit cabinet is compact and easy to install with an ideal height of 33 in.

Full length fold-up duct connector flanges for application flexibility.

Easy access to controls to connect power and control wiring.

No electrical knockouts to deal with, making installation easier.

24 V, 40 VA control transformer and control provisions supplied for single or multi-stage add on cooling or heat pump heating.

Built-in, high level self diagnostics with fault code displays standard on integrated control module for reliable operation.

Front-facing screws on flame sensor and hot surface ignitor for ease of service.

Front-facing screws on blower assembly for easy access and removal of blower.

Constant torque blower motor for cooling SEER2 enhancement.

Blower-off delay for cooling SEER2 improvement.

Continuous fan options for indoor air quality (IAQ) performance.

Airflow leakage less than 2% of nominal airflow for duct performance testing conditions.

Low unit current requirement for easy replacement application.

Electronic hot surface ignition saves fuel cost with increased dependability and reliability.

100% shut-off main gas valve for extra safety.

Inducer rotates for easy conversion of venting options.

Five-speed direct drive standard ECM blower motor.

Hi-tech tubular aluminized steel primary heat exchanger.

Corrosion resistant stainless steel secondary heat exchanger including rear cover pan and front vestibule panel.

Quiet inducer operation.

York RL18040A12MPS1

Features

Modulating heating operation includes:

Modulating gas valve, inducer and circulating blower

Modulating operation from 100% to 35% input in 100 increments with nearly constant temperature rise.

Easily applied in upflow, horizontal left or right, or downflow installation with minimal conversion necessary.

Compact, easy to install, ideal height 33" tall cabinet.

ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance.

Easy access to controls to connect power/control wiring.

Built-in, high level self diagnostics with fault code display.

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.

24V, 40 VA control transformer and blower relay supplied for add-on cooling.

Airflow leakage less than 1% of nominal airflow for duct performance testing conditions.

Solid removable bottom panel allows easy conversion.

Hi-tech tubular aluminized steel primary heat exchanger with stainless steel tube/aluminum fin secondary heat exchanger for outstanding efficiency.

No knockouts to deal with, making installation easier.

Movable duct connector flanges for application flexibility.

Quiet inducer operation, burner, and blower 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.

Insulated blower compartment for thermal and acoustic performance.

1/4 turn knobs provided for easy independent door removal.

Internal condensate trap design (patent pending) provides condensate management options and is self priming to prevent nuisance problems.

These models may be connected as part of a communicating control system using a 4-wire connection bus

Features

Two stage heating operation includes two stage gas valve, two stage inducer operation and variable speed ECM blower operation. Adjustable delay timer allows two stage operation with a single stage thermostat.
Easily applied in upflow, horizontal left or right, or downflow installation with minimal conversion necessary.
Compact, easy to install, ideal height 33" tall cabinet.
ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance.
Easy access to controls to connect power/control wiring.
Built-in, high level self diagnostics with fault code display.
Low unit amp requirement for easy replacement application.
All models are convertible 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.
24V, 40 VA control transformer and blower relay supplied for add-on cooling.
Hi-tech tubular aluminized steel primary heat exchanger with stainless steel tube/aluminum fin secondary heat exchanger for outstanding efficiency.
Solid removable bottom panel allows easy conversion.
Airflow leakage less than 1% of nominal airflow for duct performance testing conditions.
No knockouts to deal with, making installation easier.
Movable duct connector flanges for application flexibility.
Quiet inducer operation, burner, and blower 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.
Insulated blower compartment for thermal and acoustic performance.
1/4 turn knobs provided for easy independent door removal.
Internal condensate trap design (patent pending) provides condensate management options and is self priming to prevent nuisance problems.
Protection included from air intake, exhaust vent or condensate blockage.
Venting applications maybe installed as either 2 pipe sealed combustion or single pipe vent using indoor combustion air.
These models may be connected as part of a communicating control system using a 4-wire connection bus.

Features

Two stage heating operation includes two stage gas valve, two stage inducer operation and variable speed ECM blower operation. Adjustable delay timer allows two stage operation with a single stage thermostat.
Easily applied in upflow, horizontal left or right, or downflow installation with minimal conversion necessary.
Compact, easy to install, ideal height 33" tall cabinet.
ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance.
Easy access to controls to connect power/control wiring.
Built-in, high level self diagnostics with fault code display.
Low unit amp requirement for easy replacement application.
All models are convertible 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.
24V, 40 VA control transformer and blower relay supplied for add-on cooling.
Hi-tech tubular aluminized steel primary heat exchanger with stainless steel tube/aluminum fin secondary heat exchanger for outstanding efficiency.
Solid removable bottom panel allows easy conversion.
Airflow leakage less than 1% of nominal airflow for duct performance testing conditions.
No knockouts to deal with, making installation easier.
Movable duct connector flanges for application flexibility.
Quiet inducer operation, burner, and blower 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.
Insulated blower compartment for thermal and acoustic performance.
1/4 turn knobs provided for easy independent door removal.
Internal condensate trap design (patent pending) provides condensate management options and is self priming to prevent nuisance problems.
Protection included from air intake, exhaust vent or condensate blockage.
Venting applications maybe installed as either 2 pipe sealed combustion or single pipe vent using indoor combustion air.
These models may be connected as part of a communicating control system using a 4-wire connection bus.

Features

Modulating heating operation includes:

Modulating gas valve, inducer and circulating blower

Modulating operation from 100% to 35% input in 100 increments with nearly constant temperature rise.

Easily applied in upflow, horizontal left or right, or downflow installation with minimal conversion necessary.

Compact, easy to install, ideal height 33" tall cabinet.

ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance.

Easy access to controls to connect power/control wiring.

Built-in, high level self diagnostics with fault code display.

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.

24V, 40 VA control transformer and blower relay supplied for add-on cooling.

Airflow leakage less than 1% of nominal airflow for duct performance testing conditions.

Solid removable bottom panel allows easy conversion.

Hi-tech tubular aluminized steel primary heat exchanger with stainless steel tube/aluminum fin secondary heat exchanger for outstanding efficiency.

No knockouts to deal with, making installation easier.

Movable duct connector flanges for application flexibility.

Quiet inducer operation, burner, and blower 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.

Insulated blower compartment for thermal and acoustic performance.

1/4 turn knobs provided for easy independent door removal.

Internal condensate trap design (patent pending) provides condensate management options and is self priming to prevent nuisance problems.

These models may be connected as part of a communicating control system using a 4-wire connection bus

Features

Modulating heating operation includes:

Modulating gas valve, inducer and circulating blower

Modulating operation from 100% to 35% input in 100 increments with nearly constant temperature rise.

Easily applied in upflow, horizontal left or right, or downflow installation with minimal conversion necessary.

Compact, easy to install, ideal height 33" tall cabinet.

ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance.

Easy access to controls to connect power/control wiring.

Built-in, high level self diagnostics with fault code display.

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.

24V, 40 VA control transformer and blower relay supplied for add-on cooling.

Airflow leakage less than 1% of nominal airflow for duct performance testing conditions.

Solid removable bottom panel allows easy conversion.

Hi-tech tubular aluminized steel primary heat exchanger with stainless steel tube/aluminum fin secondary heat exchanger for outstanding efficiency.

No knockouts to deal with, making installation easier.

Movable duct connector flanges for application flexibility.

Quiet inducer operation, burner, and blower 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.

Insulated blower compartment for thermal and acoustic performance.

1/4 turn knobs provided for easy independent door removal.

Internal condensate trap design (patent pending) provides condensate management options and is self priming to prevent nuisance problems.

These models may be connected as part of a communicating control system using a 4-wire connection bus

Features

Modulating heating operation includes:

Modulating gas valve, inducer and circulating blower

Modulating operation from 100% to 35% input in 100 increments with nearly constant temperature rise.

Easily applied in upflow, horizontal left or right, or downflow installation with minimal conversion necessary.

Compact, easy to install, ideal height 33" tall cabinet.

ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance.

Easy access to controls to connect power/control wiring.

Built-in, high level self diagnostics with fault code display.

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.

24V, 40 VA control transformer and blower relay supplied for add-on cooling.

Airflow leakage less than 1% of nominal airflow for duct performance testing conditions.

Solid removable bottom panel allows easy conversion.

Hi-tech tubular aluminized steel primary heat exchanger with stainless steel tube/aluminum fin secondary heat exchanger for outstanding efficiency.

No knockouts to deal with, making installation easier.

Movable duct connector flanges for application flexibility.

Quiet inducer operation, burner, and blower 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.

Insulated blower compartment for thermal and acoustic performance.

1/4 turn knobs provided for easy independent door removal.

Internal condensate trap design (patent pending) provides condensate management options and is self priming to prevent nuisance problems.

These models may be connected as part of a communicating control system using a 4-wire connection bus

Features

Two stage heating operation includes two stage gas valve, two stage inducer operation and variable speed ECM blower operation. Adjustable delay timer allows two stage operation with a single stage thermostat.
Easily applied in upflow, horizontal left or right, or downflow installation with minimal conversion necessary.
Compact, easy to install, ideal height 33" tall cabinet.
ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance.
Easy access to controls to connect power/control wiring.
Built-in, high level self diagnostics with fault code display.
Low unit amp requirement for easy replacement application.
All models are convertible 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.
24V, 40 VA control transformer and blower relay supplied for add-on cooling.
Hi-tech tubular aluminized steel primary heat exchanger with stainless steel tube/aluminum fin secondary heat exchanger for outstanding efficiency.
Solid removable bottom panel allows easy conversion.
Airflow leakage less than 1% of nominal airflow for duct performance testing conditions.
No knockouts to deal with, making installation easier.
Movable duct connector flanges for application flexibility.
Quiet inducer operation, burner, and blower 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.
Insulated blower compartment for thermal and acoustic performance.
1/4 turn knobs provided for easy independent door removal.
Internal condensate trap design (patent pending) provides condensate management options and is self priming to prevent nuisance problems.
Protection included from air intake, exhaust vent or condensate blockage.
Venting applications maybe installed as either 2 pipe sealed combustion or single pipe vent using indoor combustion air.
These models may be connected as part of a communicating control system using a 4-wire connection bus.

Features

Modulating heating operation includes:

Modulating gas valve, inducer and circulating blower

Modulating operation from 100% to 35% input in 100 increments with nearly constant temperature rise.

Easily applied in upflow, horizontal left or right, or downflow installation with minimal conversion necessary.

Compact, easy to install, ideal height 33" tall cabinet.

ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance.

Easy access to controls to connect power/control wiring.

Built-in, high level self diagnostics with fault code display.

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.

24V, 40 VA control transformer and blower relay supplied for add-on cooling.

Airflow leakage less than 1% of nominal airflow for duct performance testing conditions.

Solid removable bottom panel allows easy conversion.

Hi-tech tubular aluminized steel primary heat exchanger with stainless steel tube/aluminum fin secondary heat exchanger for outstanding efficiency.

No knockouts to deal with, making installation easier.

Movable duct connector flanges for application flexibility.

Quiet inducer operation, burner, and blower 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.

Insulated blower compartment for thermal and acoustic performance.

1/4 turn knobs provided for easy independent door removal.

Internal condensate trap design (patent pending) provides condensate management options and is self priming to prevent nuisance problems.

These models may be connected as part of a communicating control system using a 4-wire connection bus